DNS and domains
1,975 sellers. How we check them: accuracy_registers.py (DNS); WHOIS/certs next (status: live). Most-bought first.
| Seller | Answering | Price | Buyers (30 days) | Paid answers correct | What it sells |
|---|---|---|---|---|---|
| StableEnrich | Yes | $0.150 | 53 | not checked yet | FullEnrich People Search — filter by company domain/name/LinkedIn URL, seniority, title, location, skills, and |
| JMT WHOIS RDAP | Yes | $0.002 | 10 | not checked yet | Raw RDAP registration record for a domain, returned as structured JSON. |
| Email Auth SPF/DMARC/DKIM Check | Yes | $0.010 | 9 | not checked yet | Email authentication posture check: parses SPF, DMARC and DKIM plus MX for any domain and grades deliverabilit |
| Mekler AI | Yes | $0.002 | 9 | not checked yet | Check one email address or domain. Report common address syntax, MX or null MX and A/AAAA fallback, SPF, exact |
| SSL/TLS Certificate Check | Yes | $0.010 | 8 | not checked yet | SSL/TLS certificate check: expiry, issuer, SANs, chain validity, hostname match, negotiated protocol/cipher, a |
| DNS & WHOIS Domain Lookup | Yes | $0.005 | 8 | not checked yet | WHOIS domain lookup — raw registry text with registrar, nameservers, lifecycle dates and status, plus the resp |
| SCVD General Store | Yes | $0.005 | 7 | not checked yet | A Small Blessing. One blessing slip from a 87-slip jar filled in 2 seasons so far, never the same slip twice i |
| DNS & WHOIS Domain Lookup | Yes | $0.005 | 7 | not checked yet | DNS A record lookup — resolve any hostname or domain to its IPv4 addresses, returned as a clean JSON list. For |
| StableEnrich | Yes | $0.150 | 7 | not checked yet | FullEnrich Company Search — filter by domain, name, LinkedIn URL/ID, industry, type, HQ, headcount, founding y |
| paddock.finance | Yes | $0.001 | 7 | not checked yet | Agent payments have no chargeback. Paddock is pre-payment verification for AI agents. get_liveness reports whe |
| telesint-api.onrender.com | Yes | $0.010 | 7 | not checked yet | IOC feed from Telegram CTI channels. Filters: type(ip|domain|url|hash|cve), severity, min_confidence, since, t |
| StableEnrich | Yes | $0.060 | 7 | not checked yet | CompanyEnrich Enrich by properties — match by name or social URL when domain is unknown. Best-match disambigua |
| x402 Carbon Retirement API | Yes | $0.001 | 7 | not checked yet | Entry point to the x402 Carbon Retirement API on Base. Returns every endpoint you need plus a live snapshot of |
| Geographic DNS Lookup | Yes | $0.005 | 6 | not checked yet | Geo-located DNS resolution — resolve hostnames from specific countries to see how CDNs, geo-blocking, and DNS- |
| Coinslot | Yes | $0.003 | 6 | not checked yet | Check an email address: RFC syntax, live MX records via DNS-over-HTTPS, and disposable-domain screening. POST |
| Oblique Markets | Yes | $0.010 | 6 | not checked yet | Use when an agent needs a concise, cited answer to one research question with optional domain scope and freshn |
| Vaaya | Yes | $0.010 | 6 | not checked yet | Fetch the result of an Icypeas search launched by icypeas/email-search, email-verification, or domain-scan. Pa |
| Otto AI | Yes | $0.001 | 6 | not checked yet | Resolve any domain in one call: A/AAAA, MX, NS, CNAME, SOA and TXT records, plus parsed email-auth posture — S |
| Otto AI | Yes | $0.001 | 6 | not checked yet | Registration data for any domain, straight from authoritative RDAP registries (the structured WHOIS successor) |
| Forest Infra | Yes | $0.001 | 6 | not checked yet | Detect material public DNS answer changes with a deterministic hash. TTL-only changes do not count and no arbi |
| 2s | Yes | $0.003 | 6 | not checked yet | Current weather conditions for a US ZIP code (temperature, wind, humidity, conditions). Backed by the US Natio |
| Bulk WHOIS Lookup | Yes | $0.050 | 5 | not checked yet | Bulk WHOIS lookup. Registrar, dates, and nameservers for up to 10 domains in a single batch call. |
| Domain WHOIS & DNS Lookup | Yes | $0.020 | 5 | not checked yet | Domain WHOIS and DNS lookup. Registrar, creation and expiry dates, nameservers, and full DNS records (A, AAAA, |
| Email Validation API | Yes | $0.030 | 5 | not checked yet | Email validation and email list cleaning. Checks each email address for RFC syntax, a live MX record lookup re |
| Web Search | Yes | $0.010 | 5 | not checked yet | General web search reselling the Tavily Search API: query the live web and get back ranked results (title, URL |
| Quartermaster DNS Lookup | Yes | $0.001 | 5 | not checked yet | Resolve DNS records using DNS-over-HTTPS and return structured JSON for infrastructure, security, and agent wo |
| Qonoro Email Validator | Yes | $0.005 | 5 | not checked yet | Validates email deliverability: syntax check, MX record lookup, and SMTP server reachability. Returns risk sco |
| DNS & WHOIS Domain Lookup | Yes | $0.005 | 5 | not checked yet | DNS TXT record lookup — a domain's TXT records as a clean JSON list: SPF, DKIM and DMARC policy strings plus s |
| DNS & WHOIS Domain Lookup | Yes | $0.005 | 5 | not checked yet | DNSSEC health check: reports whether a domain is DNSSEC-signed (DNSKEY), has a DS record at the parent, and wh |
| DNS & WHOIS Domain Lookup | Yes | $0.005 | 5 | not checked yet | DNS MX record lookup — a domain's mail servers with their hostnames and priorities as structured JSON, for ema |
| SCVD General Store | Yes | $0.010 | 5 | not checked yet | The Confession. REQUIRES ?confession= on the paid request — a signed request without it is refused before the |
| DNS & WHOIS Lookup | Yes | $0.010 | 5 | not checked yet | Send up to 10 domain names and get back every DNS record type (A, AAAA, MX, CNAME, TXT, NS, PTR, SOA, SRV, CAA |
| cloudPulsePoint | Yes | $0.010 | 5 | not checked yet | Resolve a DNS record (A by default) for the host and return the values. Use to confirm a domain resolves and t |
| Toolsmith | Yes | $0.004 | 5 | not checked yet | Email verification and deliverability check without sending anything: syntax, MX records, disposable-domain de |
| Minifetch Technical SEO API | Yes | $0.002 | 5 | not checked yet | For SEO link audits: Extracts and categorizes all links on a page (internal, external, anchor) for SEO audits |
| LION Verified Company | Yes | $0.005 | 5 | not checked yet | Domain enrich for agents: live DNS (MX/SPF/DMARC/A) + HTTPS trust score. $0.005 keyless Base USDC. ?domain=str |
| AgentReader | Yes | $0.003 | 5 | not checked yet | DNS lookup over Cloudflare DoH: query A, AAAA, CNAME, MX, NS, TXT, SOA, SRV, CAA or PTR records for any domain |
| NetIntel | Yes | $0.002 | 5 | not checked yet | Email deliverability & domain security check — validates SPF, DKIM (multi-selector), and DMARC, detects spoofi |
| win.oneshotagent.com | Yes | $0.005 | 5 | not checked yet | Company enrichment from domain, name, LinkedIn URL, or ticker |
| NetIntel | Yes | $0.001 | 5 | not checked yet | Validate an email address — email verification before you send: syntax + MX + disposable/role/free-provider de |
| Vaaya | Yes | $0.100 | 5 | not checked yet | Get a person's emails straight from their LinkedIn profile URL via ContactOut (recruiter-grade data; returns W |
| Hosaka | Yes | $0.005 | 5 | not checked yet | Use when you have a company domain and need to know what the company is before spending more. Returns the comp |
| Tech Detect | Yes | $0.003 | 5 | not checked yet | One HTTP request per host, matched against an in-house signature set. Every hit carries a confidence value fro |
| api.clawfetch.ai | Yes | $0.003 | 5 | not checked yet | Bulk domain name availability lookup via live WHOIS: check many domains across many TLDs in one call and get a |
| api.clawfetch.ai | Yes | $0.003 | 5 | not checked yet | Domain name brainstorming and availability screening: combine keywords into candidate domains across chosen TL |
| Average interest rates on | Yes | $0.005 | 5 | not checked yet | Latest average interest rates the US Treasury is paying by security type (Bills, Notes, Bonds, TIPS, FRNs, mar |
| Weather forecast (US) | Yes | $0.001 | 5 | not checked yet | Multi-period weather forecast for a US location from api.weather.gov (NWS, public domain). Give latitude and l |
| Forest Infra | Yes | $0.001 | 5 | not checked yet | Return only the public certificate validity window and remaining lifetime for TLS port 443. It does not scan c |
| Forest Domains | Yes | $0.002 | 5 | not checked yet | MX/SPF/DMARC preflight; not mailbox verification. Base mainnet USDC |
| proof.platoskallipolis.com | Yes | $0.010 | 5 | not checked yet | Before an AI agent trusts or pays a public API, inspect its public machine-readable evidence and x402 readines |
| sentinel.rootstuff.io | Yes | $0.010 | 5 | not checked yet | Every DNS record for a domain plus propagation across public resolvers |
| Domain SEO traffic overview | Yes | $0.040 | 5 | not checked yet | Estimate a domain's Google SEO footprint: total organic and paid keywords, estimated traffic (ETV), estimated |
| Keywords a domain ranks for | Yes | $0.050 | 5 | not checked yet | Get the Google organic keywords a domain already ranks for, each with its ranking position, ranking URL, month |
| api.interzoid.com | Yes | $0.010 | 5 | not checked yet | Measure real-world page load performance (response time) for any URL from a chosen global location. Returns to |
| Machine Commerce Lab | Yes | $0.010 | 5 | not checked yet | Read-only public DNS lookup report |
| seo.openverbs.com | Yes | $0.060 | 5 | not checked yet | Get a domain's backlink profile and authority: DataForSEO domain rank, total backlinks, referring domains and |
| stable-domains-git-ben-upgrade-agentcash-r-bb6a65-merit-systems.vercel.app | Yes | $0.010 | 5 | not checked yet | Check domain availability and current registration price. |
| dns-intel-api-production.up.railway.app | Yes | $0.002 | 5 | not checked yet | Reverse-DNS lookup for an IP: PTR record plus a best-effort list of other domains hosted on the same IP. |
| content.hugen.tokyo | Yes | $0.010 | 5 | not checked yet | Extract and classify all hyperlinks from a web page — internal vs external using eTLD+1 domain matching. Retur |
| Domain Availability Checker | Yes | $0.010 | 4 | not checked yet | Give this API up to 10 domain names and it tells you whether each has a registration record at the official re |
| BIMI Checker | Yes | $0.010 | 4 | not checked yet | Checks one or more domains to see whether they are set up to show a brand logo next to emails in Gmail, Apple |
| Domain Age Checker | Yes | $0.010 | 4 | not checked yet | Send a list of domain names and this tool tells you exactly how old each one is, when it was first registered, |
| Bulk DMARC Record Lookup | Yes | $0.010 | 4 | not checked yet | Give this tool a list of domain names and it will instantly check each one's DMARC email security record. DMAR |
| DNS & WHOIS Domain Lookup | Yes | $0.005 | 4 | not checked yet | RDAP domain registration lookup: structured registrar, creation/updated/expiry dates, status, nameservers and |
| CompliAPI | Yes | $0.010 | 4 | not checked yet | Screen a website URL or domain against OFAC SDN and other global sanctions lists. Call before paying, advertis |
| skill-audit | Yes | $0.006 | 4 | not checked yet | Resolve a domain's DNS records (A/AAAA/MX/NS/TXT/CNAME) and flag basic email/security posture |
| enrich-email | Yes | $0.005 | 4 | not checked yet | Validate and classify an email DOMAIN from public DNS: MX hosts + mail-provider, SPF and DMARC policy, plus di |
| fetchwerk Web Extraction | Yes | $0.006 | 4 | not checked yet | Read the mandatory public disclosure of one domain and return company, postal address, e-mail, phone, VAT and |
| DNS Lookup API | Yes | $0.001 | 4 | not checked yet | DNS Lookup API. Resolve domain DNS records and receive structured JSON with A, AAAA, MX, NS, TXT, CAA, and SOA |
| WebberSites x402 Data API | Yes | $0.002 | 4 | not checked yet | DNS and domain intelligence: A/AAAA/CNAME, MX (sorted), NS, TXT, SOA records plus email security posture — SPF |
| WebberSites x402 Data API | Yes | $0.002 | 4 | not checked yet | Email verification for outreach and CRM agents: syntax validation, MX lookup with implicit-MX fallback, dispos |
| Vaaya | Yes | $0.040 | 4 | not checked yet | Find a person's professional email via Icypeas from their name + company. Pass `firstname` and/or `lastname` p |
| Otto AI | Yes | $0.001 | 4 | not checked yet | Domain age and registration intel from authoritative RDAP/WHOIS records: exact creation date, age in days and |
| eu-verify | Yes | $0.002 | 4 | not checked yet | Live DNS records resolved via Cloudflare 1.1.1.1 DNS-over-HTTPS (public facts, real time). Query: ?name=anthro |
| NetIntel | Yes | $0.002 | 4 | not checked yet | DNS lookup for any domain — resolve A, AAAA, MX, TXT, NS, CNAME, SOA and PTR records in one call, with SPF and |
| US Treasury daily yield curve | Yes | $0.005 | 4 | not checked yet | Latest US Treasury daily constant-maturity yield curve in one object: recordDate plus mo1, mo3, mo6, yr1, yr2, |
| Skill: Domain intel | Yes | $0.016 | 4 | not checked yet | Full domain security and SEO intelligence in one call: WHOIS, DNS, TLS cert, HTTP headers, tech stack, robots |
| Resolve402 | Yes | $0.003 | 4 | not checked yet | Email pre-check with a 0-100 deliverability score and its reasons, without SMTP: syntax, MX (incl. null MX), m |
| SiteCheck | Yes | $0.001 | 4 | not checked yet | E-mail pre-check without SMTP: syntax, whether the domain can receive mail (MX or implicit MX, null MX, non-ex |
| paygentic | Yes | $0.001 | 4 | not checked yet | Email validation: syntax check plus MX lookup for the domain. Input: e. |
| Agent Utility Suite | Yes | $0.002 | 4 | not checked yet | Is this email address real and safe to send to? Checks syntax, MX records (and null MX), disposable providers, |
| paygentic | Yes | $0.001 | 4 | not checked yet | DNS check for a domain: does it resolve, plus A, MX and NS records. Input: d. |
| Forest Domains | Yes | $0.003 | 4 | not checked yet | Resolve a bare public domain into operational registration, DNS, HTTPS/TLS and mail-policy state using IANA-ro |
| Forest Domains | Yes | $0.002 | 4 | not checked yet | Read public RDAP registration state for a domain: registrar or managing entity when published, registration an |
| Forest Infra | Yes | $0.002 | 4 | not checked yet | Inspect one public TLS endpoint and return certificate identity and validity-window facts. This is a bounded p |
| Forest Infra | Yes | $0.001 | 4 | not checked yet | Resolve one bounded public DNS record type into normalized answers. AXFR, resolver abuse and private-network p |
| ZeroWorker Web Action API | No | $0.003 | 4 | not checked yet | Avoid unnecessary browser launches with a lightweight preflight for AI agents. ZeroWorker inspects public page |
| US total public debt outstanding | Yes | $0.002 | 4 | not checked yet | Most recent total US public debt outstanding (the headline national-debt number, daily) from the Treasury "Deb |
| agent.connskill.com | Yes | $0.050 | 4 | not checked yet | Domain ranking snapshot: observed keywords, positions, ranking URLs and search volume for one domain and selec |
| DNS lookup | Yes | $0.001 | 4 | not checked yet | Live DNS lookup for a domain: returns name, type and records[]. Supported record types: A, AAAA (addresses as |
| Domain WHOIS (RDAP) | Yes | $0.005 | 4 | not checked yet | Domain registration data via RDAP (the structured WHOIS successor): registrar, creation/expiry dates, status, |
| TLS certificate | Yes | $0.001 | 4 | not checked yet | Inspect the TLS certificate of any public host: subject, issuer, validity window, days remaining, SANs, and SH |
| Skill: Brand protection | Yes | $0.018 | 4 | not checked yet | Is this domain legitimate? WHOIS age, DNS resolution, scam/phishing search results, and HTTP headers for a qui |
| billitright.co | Yes | $0.010 | 4 | not checked yet | Password - CASA Cybersecurity Assessment - Consolidates evidence on secure communications, including certifica |
| Vextorium | Yes | $0.004 | 4 | not checked yet | Email validation: syntax, domain MX records and disposable-domain flag. Sends no email; the address is not sto |
| ForwardLane | Yes | $0.050 | 4 | not checked yet | BM25 plus vector search with reciprocal rank fusion over Function and Class nodes, with repository, domain, on |
| datastand.dev | Yes | $0.005 | 4 | not checked yet | Vet an x402 seller before integrating: how many resources the domain lists, its 30-day call volume, its best-a |
| api.bakhour.ca | Yes | $0.005 | 4 | not checked yet | Resolve ONE DNS record type for a domain -- the cheapest, narrowest domain-check endpoint. For all record type |
| api.trustsource.cc | Yes | $0.002 | 4 | not checked yet | Check whether a domain's TLS/SSL certificate is valid, trusted, and not expiring before connecting to it. Perf |
| Keyword gap vs a competitor | Yes | $0.050 | 4 | not checked yet | Keyword gap analysis API - find the Google keywords a competitor ranks for that your domain does not, each wit |
| Inspect SSL/TLS certificate | Yes | $0.006 | 4 | not checked yet | Open an SSL/TLS connection to a host and report its certificate — issuer, subject, validity window, days remai |
| Organic search competitors | Yes | $0.050 | 4 | not checked yet | Find a domain's organic search competitors: rival domains ranking for the same Google keywords, each with the |
| Agent Email Check | Yes | $0.001 | 4 | not checked yet | DNS and list based verification. Never claims that a mailbox exists without evidence: without an SMTP probe th |
| agentbit.app | Yes | $0.010 | 4 | not checked yet | Complete DNS inspection in one call over DNS-over-HTTPS: A, AAAA, MX, TXT, NS, CNAME, SOA and CAA records with |
| tempo.halowerk.com | Yes | $0.001 | 4 | not checked yet | Prüft am Objekt api-antwort den Befund DNS-Auflösungszeit. |
| tempo.halowerk.com | Yes | $0.001 | 4 | not checked yet | Prüft am Objekt bild den Befund DNS-Auflösungszeit. |
| tempo.halowerk.com | Yes | $0.001 | 4 | not checked yet | Prüft am Objekt dokument den Befund DNS-Auflösungszeit. |
| tempo.halowerk.com | Yes | $0.001 | 4 | not checked yet | Prüft am Objekt iframe den Befund DNS-Auflösungszeit. |
| tempo.halowerk.com | Yes | $0.001 | 4 | not checked yet | Prüft am Objekt schrift den Befund DNS-Auflösungszeit. |
| tempo.halowerk.com | Yes | $0.001 | 4 | not checked yet | Prüft am Objekt seite den Befund DNS-Auflösungszeit. |
| tempo.halowerk.com | Yes | $0.001 | 4 | not checked yet | Prüft am Objekt skript den Befund DNS-Auflösungszeit. |
| tempo.halowerk.com | Yes | $0.001 | 4 | not checked yet | Prüft am Objekt stylesheet den Befund DNS-Auflösungszeit. |
| tempo.halowerk.com | Yes | $0.001 | 4 | not checked yet | Prüft am Objekt video den Befund DNS-Auflösungszeit. |
| tempo.halowerk.com | Yes | $0.001 | 4 | not checked yet | Prüft am Objekt weiterleitung den Befund DNS-Auflösungszeit. |
| seo.openverbs.com | Yes | $0.050 | 4 | not checked yet | List the domains linking to a target, each with DataForSEO domain rank, number of backlinks, dofollow count, r |
| library.forgemesh.io | Yes | $0.003 | 4 | not checked yet | Curated reading list on N for tutoring agents, quiz generators, and reading apps — 187 public-domain books (e. |
| x402scan | Yes | $0.010 | 4 | not checked yet | Resources for a specific origin/domain |
| 2s | Yes | $0.003 | 4 | not checked yet | Look up or search NAICS 2022 industry classification codes (US Census Bureau, public domain). Pass `code` for |
| News search | Yes | $0.010 | 3 | not checked yet | News search: live Google News results for a query, localised by location and language. Returns ranked articles |
| DYOE Trust Check | Yes | $0.010 | 3 | not checked yet | Check whether a website, business, or wallet is a scam before an agent trusts or pays it — fraud, phishing and |
| Email Verifier & Validator | Yes | $0.010 | 3 | not checked yet | Takes one email address and tells you whether it can actually receive mail. Returns a verdict of valid, invali |
| SCVD General Store | Yes | $0.010 | 3 | not checked yet | The Daily Fortune. The day's fortune and fortune_date (UTC), with purchased_text: an ed25519 envelope binding |
| LION Verified Company | Yes | $0.030 | 3 | not checked yet | Company research / org enrich / firmographics for AI agents. KYB vendor intel by domain or name: employees, co |
| cloudPulsePoint | Yes | $0.010 | 3 | not checked yet | Inspect the site's TLS/SSL certificate: whether it is currently valid and how many days remain until it expire |
| BuiltWith | Yes | $0.050 | 3 | not checked yet | Return BuiltWith technology detections and metadata for one domain. Useful for company research, stack analysi |
| Bounded Decision Solver | Yes | $0.005 | 3 | not checked yet | Weighted interval scheduling solver — exact maximum-weight compatible job scheduling with half-open intervals |
| 402oracle | Yes | $0.050 | 3 | not checked yet | Is this company or domain legit? Business and domain verification (KYB) for vendor screening, supplier checks |
| DNS Propagation Checker | Yes | $0.030 | 3 | not checked yet | DNS propagation checker. Compares a DNS record across public resolvers (Google, Cloudflare, Quad9, OpenDNS) to |
| CodePulse Agentic API | Yes | $0.010 | 3 | not checked yet | Fetches TXT, MX, A, CNAME, and CAA records for a domain via Cloudflare DNS-over-HTTPS. |
| Space Data API | Yes | $0.020 | 3 | not checked yet | Complete structured package for one illustrated classic of early science/engineering (1588-1748): verified pub |
| Toolsmith | Yes | $0.008 | 3 | not checked yet | Due-diligence check on any domain: registration age via RDAP, registrar, DNS posture (A/MX/NS), SPF and DMARC |
| HALOWERK Agent Tools | Yes | $0.005 | 3 | not checked yet | Prueft die bekannten Konventionspfade einer Domain auf OpenAPI, MCP, x402, GraphQL, Feeds, llms.txt, security. |
| HALOWERK Agent Tools | Yes | $0.002 | 3 | not checked yet | Prüft MX, SPF, DKIM, DMARC, MTA-STS, TLS-RPT, BIMI, TLS am Mailserver und DNSSEC einer Domain und leitet darau |
| HALOWERK Agent Tools | Yes | $0.001 | 3 | not checked yet | Syntax, Domain, MX-Einträge, Wegwerf-Anbieter, Rollenkonto, Freemailer, Tippfehler-Vorschlag und Zustellwahrsc |
| HALOWERK Agent Tools | Yes | $0.001 | 3 | not checked yet | Liefert ASN, Netzbetreiber, Land, Reverse-DNS, Bogon-Status, Tor-Exit-Erkennung und eine Rechenzentrums-Wahrsc |
| HALOWERK Agent Tools | Yes | $0.003 | 3 | not checked yet | Vollständiges Domainprofil: A/AAAA/MX/NS/TXT/CNAME/SOA, Mail-Setup (SPF, DMARC, DKIM-Hinweis, MTA-STS), TLS-Ze |
| AgentReader | Yes | $0.003 | 3 | not checked yet | DNS lookup over Cloudflare DoH: query A, AAAA, CNAME, MX, NS, TXT, SOA, SRV, CAA or PTR records for any domain |
| DNS Doctor | Yes | $0.010 | 3 | not checked yet | One DNS Doctor bulk scan of 2-50 domains in a single call, priced per domain. |
| Palmyr Domains | Yes | $0.010 | 3 | not checked yet | Poll the status of a domain registration you started (owner-only). |
| WebberSites x402 Data API | Yes | $0.010 | 3 | not checked yet | Deep uptime & health report from one socket-level HEAD probe: DNS/TCP/TLS/TTFB timing waterfall, TLS certifica |
| IP blocklist check | Yes | $0.005 | 3 | not checked yet | Checks one IPv4 address against nine public DNS blocklists at once — SpamCop, UCEPROTECT, PSBL, Barracuda, Dro |
| Domain DNS check | Yes | $0.005 | 3 | not checked yet | Everything DNS says about one domain in a single call: whether it is registered, its A and AAAA addresses, nam |
| Macaroon Network | Yes | $0.002 | 3 | not checked yet | Search a privacy-safe metadata index derived from 77,053 archived census rows and deduplicated to 23,370 uniqu |
| Macaroon Network | Yes | $0.001 | 3 | not checked yet | Retrieve a bounded passage from the public-domain Berean Standard Bible or World English Bible with exact sour |
| Macaroon Network | Yes | $0.005 | 3 | not checked yet | Single higher-value composite report for one domain: DNS resolution, TLS/SSL certificate validity and issuer, |
| NetIntel | Yes | $0.100 | 3 | not checked yet | Check availability of many domain names across multiple TLDs in a single call — submit up to 50 name/TLD combi |
| eu-verify | Yes | $0.005 | 3 | not checked yet | One-call email verification for lead qualification and list hygiene: RFC 5322 syntax check, then a live MX loo |
| eu-verify | Yes | $0.005 | 3 | not checked yet | Authoritative domain registration facts from the ICANN-mandated RDAP protocol (rdap.org bootstrap -> registry |
| NetIntel | Yes | $0.010 | 3 | not checked yet | Query the crt.sh certificate transparency log database to enumerate all SSL certificates ever issued for a dom |
| NetIntel | Yes | $0.010 | 3 | not checked yet | Check if a domain name is available for registration by querying RDAP and DNS — pass a bare name (e.g. mybrand |
| NetIntel | Yes | $0.010 | 3 | not checked yet | Fetch and parse a domain's robots.txt file — returns all crawl rules by user-agent, sitemap URLs, crawl delay |
| NetIntel | Yes | $0.010 | 3 | not checked yet | Web search for AI agents — one query in, ranked live results out (title, url, published_date, author, score, o |
| NetIntel | Yes | $0.007 | 3 | not checked yet | Performs a TLS handshake to inspect the certificate chain, probes supported TLS versions (1.0–1.3), detects we |
| AgentUtility.ai | Yes | $0.010 | 3 | not checked yet | Looks up a person from an email, name, domain, or company and returns a normalized public-data record (alias o |
| AgentUtility.ai | Yes | $0.005 | 3 | not checked yet | Verifies an email address with syntax, MX, disposable-domain, role-account, SPF, DMARC, and DKIM checks. Same |
| Text to Speech | Yes | $0.040 | 3 | not checked yet | Convert text to natural speech audio (MP3, WAV or OGG) with neural Piper voices: en-female, en-male (US Englis |
| Domain and Email Security Check | Yes | $0.009 | 3 | not checked yet | Check a domain in one call: registration via RDAP (registered or likely available, registrar, created and expi |
| WHOIS Lookup | Yes | $0.004 | 3 | not checked yet | Domain registration lookup via RDAP (modern WHOIS). Returns registrar, registrar_url, created_at, updated_at, |
| SSL Certificate Check | Yes | $0.009 | 3 | not checked yet | Inspect SSL/TLS certificate for any domain. Returns valid boolean, days_remaining, issuer, valid_from, valid_t |
| Email Validation | Yes | $0.004 | 3 | not checked yet | Validate an email address: RFC 5322 format check, domain MX record lookup, disposable provider detection, and |
| DNS Lookup | Yes | $0.002 | 3 | not checked yet | Resolve DNS records for any domain. Supports A, AAAA, MX, TXT, CNAME, NS. Returns records object with array pe |
| offercheck | Yes | $0.002 | 3 | not checked yet | Check a URL before you cite, visit or trust it: liveness, final URL and redirect chain, soft-404 detection, pa |
| Pocket Network | Yes | $0.005 | 3 | not checked yet | Domain intelligence: DNS records (A, AAAA, MX, TXT, NS, CNAME, SOA) plus RDAP registration data. POST /v1/dns |
| clinkagent.com | Yes | $0.030 | 3 | not checked yet | Cited web answer for AI agents - ask a question, get a short answer with verbatim quotes and source URLs from |
| Maxwell x402 | Yes | $0.005 | 3 | not checked yet | Domain registration record, looked up live from the registry's own RDAP server: whether it is registered, regi |
| d21 email_validate | Yes | $0.006 | 3 | not checked yet | Email Validate ($0.006): syntax + live MX/A-fallback deliverability + disposable-domain + role-address + free- |
| Aayat AI | Yes | $0.010 | 3 | not checked yet | Company tech stack lookup (what technology does a company use?) from its website and DNS: CMS/website builder, |
| Agent Utility Suite | Yes | $0.004 | 3 | not checked yet | Answers 'Who hosts this company's email, and is it set up properly?' for lead enrichment, deliverability and v |
| Aayat AI | Yes | $0.002 | 3 | not checked yet | Check an email address before you use it: syntax, whether its domain has mail servers (MX, with null-MX and A- |
| Aayat AI | Yes | $0.002 | 3 | not checked yet | Domain registration lookup (RDAP, the modern WHOIS): registrar, abuse contact, created/updated/expiry dates, d |
| Aayat AI | Yes | $0.001 | 3 | not checked yet | Look up DNS records for any domain: A, AAAA, CNAME, MX, NS, TXT, SOA, CAA, SRV, PTR, DS, DNSKEY, HTTPS, or ALL |
| FiatDock | Yes | $0.004 | 3 | not checked yet | Everything about a domain in one call: registrar, creation and expiry dates and age from the registry's own RD |
| Aayat AI | Yes | $0.003 | 3 | not checked yet | Find the AI-ready docs for any library or API: checks the project's docs site (from its npm, PyPI, crates or G |
| Local business directory search | Yes | $0.030 | 3 | not checked yet | Search Google's local business directory within a radius of a coordinate, filtered by category and/or a name q |
| Forest Infra | Yes | $0.001 | 3 | not checked yet | Detect material public certificate changes in fingerprint, issuer, SANs or validity window using a determinist |
| Email Validate | Yes | $0.001 | 3 | not checked yet | Validate an email address using syntax, MX, disposable-domain, role-account, and domain-risk checks. Returns s |
| Vaaya | Yes | $0.010 | 3 | not checked yet | Fundable — Resolve a company NAME to Fundable's own company `id`, with fuzzy matching and a `relevance_score`. |
| Aether | Yes | $0.010 | 3 | not checked yet | x402 endpoint audit: can a paying agent actually pay this API? Probes any x402 URL and validates its 402 payme |
| geld machen url-fingerprint | Yes | $0.010 | 3 | not checked yet | JSON micro-tool for agents: GET ?url= → deterministic live URL fingerprint (final_url, status, content_type, b |
| Tanod dnspeek | Yes | $0.004 | 3 | not checked yet | dnspeek (Tanod) domain inspection (one section): DNS records, SPF/DMARC/DKIM/MTA-STS deliverability findings a |
| threat-ioc-enrichment | Yes | $0.010 | 3 | not checked yet | Type-agnostic threat-intelligence enrichment for a SOC or DFIR agent. Give one indicator of compromise of any |
| enrich-email | Yes | $0.005 | 3 | not checked yet | Validate and classify an email DOMAIN from public DNS: MX hosts + mail-provider, SPF and DMARC policy, plus di |
| nutrition-search | Yes | $0.002 | 3 | not checked yet | Search foods by name in USDA FoodData Central (public domain). Returns ranked matches with fdc_id, description |
| Skill: DNS & network ops | Yes | $0.011 | 3 | not checked yet | End-to-end DNS health check: records, multi-resolver propagation, WHOIS, ASN, robots.txt, and reachability. DN |
| DNS propagation check | Yes | $0.002 | 3 | not checked yet | Resolve the same DNS record against 4 public resolvers (Google, Cloudflare, Quad9, OpenDNS) in parallel; surfa |
| DKIM key lookup | Yes | $0.002 | 3 | not checked yet | Fetch and parse a DKIM public-key record at <selector>._domainkey.<domain> (RFC 6376). Returns the parsed key |
| Skill: Fraud signals | Yes | $0.027 | 3 | not checked yet | Is this domain trustworthy, or is it a phishing site / typosquat / scam? Pull the reputation signals an analys |
| Skill: Email deliverability | Yes | $0.009 | 3 | not checked yet | Diagnose why a domain's email lands in spam: SPF posture, DMARC policy, DKIM key strength, MX targets, and a c |
| Skill: Domain age and legitimacy | Yes | $0.008 | 3 | not checked yet | How old and legit is this domain? WHOIS registration, DNS resolution, and TLS certificate in one pass. Domain |
| Skill: Site status snapshot | Yes | $0.008 | 3 | not checked yet | The 'is this site healthy, addressable, and crawlable - right now?' workflow. DNS resolution → HTTP reachabili |
| Certificate transparency search | Yes | $0.005 | 3 | not checked yet | Search public Certificate Transparency logs for every cert issued to a domain. Two independent public CT searc |
| Skill: API health check | Yes | $0.005 | 3 | not checked yet | Is this API endpoint healthy? Liveness check, response headers, and TLS certificate status in one pass. API he |
| Skill: Contact verification | Yes | $0.004 | 3 | not checked yet | Verify an email address is deliverable - syntax validation plus MX record check on the domain. Contact verific |
| DMARC check | Yes | $0.001 | 3 | not checked yet | Fetch and validate a domain's DMARC policy at _dmarc.<domain> (RFC 7489). Surfaces the enforcement policy (non |
| Skill: Security audit | Yes | $0.017 | 3 | not checked yet | Enumerate a domain's external attack surface in one workflow: certs, DNS posture, email auth, HTTP security he |
| Skill: Competitor scan | Yes | $0.014 | 3 | not checked yet | What's a competitor using? Tech stack, HTTP headers, WHOIS, and page metadata in one call. Competitor scan ski |
| Skill: Email security | Yes | $0.006 | 3 | not checked yet | Full email auth posture: SPF, DMARC, DKIM, and composite deliverability score in one call. Email security skil |
| Skill: SSL audit | Yes | $0.006 | 3 | not checked yet | TLS/SSL security posture check: live certificate inspection, HTTP security headers, and CAA DNS records. SSL a |
| Treasury yield-curve spreads + | Yes | $0.005 | 3 | not checked yet | Derived 2s10s and 3m10y Treasury yield-curve spreads (in basis points) plus a boolean recession-signal flag wh |
| DNS lookup | Yes | $0.002 | 3 | not checked yet | Resolve any DNS record type for a host: A, AAAA, MX, TXT, CNAME, NS, SOA, CAA, SRV, PTR. Returns the records p |
| IP info | Yes | $0.002 | 3 | not checked yet | Classify an IP address: version, public/private/loopback/link-local, integer form, and reverse-DNS (PTR) looku |
| ASN + IP geolocation | Yes | $0.001 | 3 | not checked yet | Look up the Autonomous System (ASN), prefix, country, registry, and allocation date for an IPv4 address - or f |
| Email validate | Yes | $0.001 | 3 | not checked yet | Validate an email address: syntax check plus live MX record lookup on the domain (deliverability signal, not a |
| SQL execution certificate verify | Yes | $0.001 | 3 | not checked yet | Verify an Ed25519 execution certificate against the exact SQL statement you are about to run - the gate your d |
| SPF check | Yes | $0.001 | 3 | not checked yet | Fetch and validate a domain's SPF record (RFC 7208). Parses mechanisms (ip4/ip6/include/a/mx/all), counts DNS |
| flat-rate-llm.kikoribera03.workers.dev | Yes | $0.005 | 3 | not checked yet | Every currently valid TLS certificate publicly issued for one domain, read from the Certificate Transparency l |
| win.oneshotagent.com | Yes | $0.005 | 3 | not checked yet | Resolve a local business name + address to its website domain, phone, category, and operating status with a ma |
| flat-rate-llm.kikoribera03.workers.dev | Yes | $0.005 | 3 | not checked yet | Registration data for one domain, read from the registry's own RDAP service through the IANA bootstrap — not s |
| Cookie Domain Match | Yes | $0.001 | 3 | not checked yet | Cookie Domain Match: evaluates host-only or Domain cookie matching for a request host using only bounded calle |
| Vextorium | Yes | $0.004 | 3 | not checked yet | Check DNS propagation of a record across 8 public resolvers worldwide (Google, Cloudflare, Quad9, OpenDNS, AdG |
| Vextorium | Yes | $0.004 | 3 | not checked yet | Check whether up to 20 domains are registered or free using each registry's official RDAP service, with creati |
| Vextorium | Yes | $0.004 | 3 | not checked yet | Email security of a domain: MX, SPF (final policy, multiple-record and lookup-limit problems), DMARC (policy, |
| Vextorium | Yes | $0.004 | 3 | not checked yet | Email validation: syntax, domain MX records and disposable-domain flag. Sends no email; the address is not sto |
| Vextorium | Yes | $0.003 | 3 | not checked yet | DNS records of a domain with TTL: A, AAAA, CNAME, MX, NS, TXT, SOA, CAA, SRV, HTTPS. Choose the types or get t |
| Vextorium | Yes | $0.003 | 3 | not checked yet | US labor market: unemployment rate, nonfarm payrolls with monthly job change, and average hourly earnings with |
| Vextorium | Yes | $0.003 | 3 | not checked yet | US inflation (CPI-U): year-on-year headline, core (ex food and energy), energy and food rates, month by month. |
| Vextorium | Yes | $0.003 | 3 | not checked yet | Nostr profile by npub, hex key or NIP-05 identifier (name@domain): name, bio, picture, website, NIP-05, Lightn |
| Vextorium | Yes | $0.003 | 3 | not checked yet | Subdomains of a domain found in public Certificate Transparency logs (every TLS certificate issued): names, wi |
| Vextorium | Yes | $0.003 | 3 | not checked yet | Resolve a .ton domain (TON DNS) to its wallet address, or find the .ton domain of a TON address. |
| Vextorium | Yes | $0.003 | 3 | not checked yet | DNS records of a domain with TTL: A, AAAA, CNAME, MX, NS, TXT, SOA, CAA, SRV, HTTPS. Choose the types or get t |
| Vextorium | Yes | $0.003 | 3 | not checked yet | Analyze raw email headers: sender, recipient, subject, server hops (Received) with delays, SPF/DKIM/DMARC resu |
| Vextorium | Yes | $0.003 | 3 | not checked yet | Detect which email service a domain uses (Google Workspace, Microsoft 365, Zoho, Proton, OVH, IONOS...) from i |
| Vextorium | Yes | $0.003 | 3 | not checked yet | Nostr profile by npub, hex key or NIP-05 identifier (name@domain): name, bio, picture, website, NIP-05, Lightn |
| Vextorium | Yes | $0.003 | 3 | not checked yet | TLS certificate of a domain: issuer, validity dates, days until expiry, names covered (SAN), whether it matche |
| Vextorium | Yes | $0.003 | 3 | not checked yet | Subdomains of a domain found in public Certificate Transparency logs (every TLS certificate issued): names, wi |
| Vextorium | Yes | $0.003 | 3 | not checked yet | Resolve a .ton domain (TON DNS) to its wallet address, or find the .ton domain of a TON address. |
| Vextorium | Yes | $0.003 | 3 | not checked yet | Follow the redirect chain of a URL (up to 10 hops): status code and time of each hop, final URL, domain change |
| Vextorium | Yes | $0.003 | 3 | not checked yet | Monthly US federal receipts, outlays and deficit (or surplus), plus the trailing 12-month deficit, from the Mo |
| Vextorium | Yes | $0.003 | 3 | not checked yet | US inflation (CPI-U): year-on-year headline, core (ex food and energy), energy and food rates, month by month. |
| Vextorium | Yes | $0.003 | 3 | not checked yet | US labor market: unemployment rate, nonfarm payrolls with monthly job change, and average hourly earnings with |
| Vextorium | Yes | $0.002 | 3 | not checked yet | Check whether a URL or domain is listed in abuse.ch URLhaus as a malware distribution site in the last 30 days |
| Vextorium | Yes | $0.002 | 3 | not checked yet | Check whether a URL or domain is listed in abuse.ch URLhaus as a malware distribution site in the last 30 days |
| Vextorium | Yes | $0.004 | 3 | not checked yet | Latest US Treasury par yield curve (1 month to 30 years), change in basis points versus N days ago, 10y-2y and |
| x402-tollbooth.onrender.com | Yes | $0.005 | 3 | not checked yet | Check whether email addresses are real and safe to send to. Verifies up to 25 addresses per call: syntax, doma |
| alfa.alfa-agente.com | Yes | $0.020 | 3 | not checked yet | Performs comprehensive URL health checks, measuring response time, status code, security headers, and TLS/SSL |
| vendsdk.com | Yes | $0.004 | 3 | not checked yet | TLS peer certificate subject, issuer, expiry, and authorization status for a public host |
| vendsdk.com | Yes | $0.008 | 3 | not checked yet | Domain registration status, registrar, dates, and nameservers via RDAP (lite fields only) |
| scribe.vimabrosta.com | Yes | $0.005 | 3 | not checked yet | Look up a domain: registration data from RDAP (registrar, created, expires, status, nameservers), live DNS rec |
| x402-seller-0ay3.onrender.com | Yes | $0.005 | 3 | not checked yet | DNS records lookup for a domain: A, AAAA, MX, TXT, NS. A record type with no entries returns an empty array, n |
| api.aventtech.com | Yes | $0.020 | 3 | not checked yet | Look up DNS records for any hostname: query A, AAAA, MX, TXT, CNAME, NS, SOA, CAA, SRV and PTR records with TT |
| vendsdk.com | Yes | $0.010 | 3 | not checked yet | Single payment bundle: DNS A/AAAA, HTTP HEAD probe, and TLS certificate peek for agent infra workflows |
| vendsdk.com | Yes | $0.003 | 3 | not checked yet | Resolve A and AAAA records for a public hostname via DNS-over-HTTPS (60s cache) |
| api.ideafactorylab.org | Yes | $0.001 | 3 | not checked yet | DNS record lookup for any domain. Pass ?domain=google.com&type=A |
| agent.connskill.com | Yes | $0.500 | 3 | not checked yet | Receive-only email inbox on a clean domain for 7 days — for account verifications without phone, captcha or pe |
| Affiliate.com | Yes | $0.020 | 3 | not checked yet | List the merchants behind the catalog. Filter by name or domain search, by country, or by product count, and p |
| Bulk website traffic estimate | Yes | $0.050 | 3 | not checked yet | Website traffic estimator API - estimate monthly Google organic and paid traffic (ETV) and ranked-keyword coun |
| Backlink anchor text profile | Yes | $0.050 | 3 | not checked yet | Backlink anchor text API - list the anchor texts pointing at a domain, each with how many backlinks, referring |
| Backlink profile history | Yes | $0.050 | 3 | not checked yet | Get a domain's backlink profile over time: a monthly timeseries of domain rank, total backlinks, new and lost |
| Top ranking pages of a domain | Yes | $0.050 | 3 | not checked yet | Relevant pages API - list a domain's best-performing pages in Google, each with page-level organic and paid me |
| AgentTools | Yes | $0.002 | 3 | not checked yet | Validate an email address in two layers: strict RFC-style syntax, then a live DNS MX lookup on the domain to c |
| AgentTools | Yes | $0.003 | 3 | not checked yet | Check whether a domain name is registered or available, via the official RDAP registry protocol (404 = availab |
| AgentTools | Yes | $0.005 | 3 | not checked yet | Query live DNS records (A, AAAA, MX, TXT, NS, CNAME, SOA) through Cloudflare's DNS-over-HTTPS resolver. Domain |
| Domain Intel | Yes | $0.003 | 3 | not checked yet | Resolves A, AAAA, MX, NS, TXT, CAA and SOA, reads the WHOIS record of the responsible registry, checks SPF, DM |
| Agent Email Check | Yes | $0.001 | 3 | not checked yet | DNS and list based verification. Never claims that a mailbox exists without evidence: without an SMTP probe th |
| ForwardLane | Yes | $0.050 | 3 | not checked yet | BM25 plus vector search with reciprocal rank fusion over Function and Class nodes, with repository, domain, on |
| Palmyr | Yes | $0.010 | 3 | not checked yet | Palmyr: POST /domains/coghill.xyz/dns |
| Palmyr | Yes | $0.010 | 3 | not checked yet | Palmyr: GET /domains/herbrainai.xyz/dns |
| Bytemine | Yes | $0.010 | 3 | not checked yet | Score a signup for fraud risk. Send email only, ip only, or both; at least one is required. Email checks cover |
| x402 tools | Yes | $0.002 | 3 | not checked yet | Use to vet a domain or URL before trusting it, or to check if a name is available. Registry RDAP data (the WHO |
| api.x-402.online | Yes | $0.005 | 3 | not checked yet | Trace the redirect chain of a URL to its final destination without downloading page bodies: every hop with its |
| api.x-402.online | Yes | $0.005 | 3 | not checked yet | Check whether a domain is reachable and healthy: DNS, certificate, redirects, security headers. One call on a |
| api.x-402.online | Yes | $0.005 | 3 | not checked yet | Check whether an email address is well-formed and its domain can receive mail, before you send. Five DNS check |
| agentbit.app | Yes | $0.010 | 3 | not checked yet | IP address intelligence from official internet-registry data (RIPEstat, the RIPE NCC public API): ASN and netw |
| agentbit.app | Yes | $0.005 | 3 | not checked yet | One-shot health probe for any endpoint: HTTP status and latency, TLS certificate issuer and days-to-expiry, re |
| agentbit.app | Yes | $0.001 | 3 | not checked yet | Lint any x402 endpoint or payment header against the v2 spec and real CDP facilitator behavior: CAIP-2 network |
| sentinel.rootstuff.io | Yes | $0.010 | 3 | not checked yet | TLS certificate and handshake grade for a host |
| agentbit.app | Yes | $0.020 | 3 | not checked yet | Full domain intelligence via RDAP (the registries' official WHOIS successor): registration and expiry dates wi |
| APEX Phishing domain check | Yes | $0.002 | 3 | not checked yet | Phishing domain check: domain age, registrar, DNS, TLS certificate and brand lookalikes. Is this link safe to |
| APEX Email address verification | Yes | $0.001 | 3 | not checked yet | Email verification: is one address deliverable, disposable or a role account? Check ONE email address before y |
| minia2a.uk | Yes | $0.010 | 3 | not checked yet | A, AAAA, MX, TXT, NS, CNAME. 🆓 5 free trial calls per signed wallet |
| Open dataset finder + licence | Yes | $0.004 | 3 | not checked yet | Find open research datasets with a plain licence verdict per dataset: public domain, attribution, share-alike, |
| seo.openverbs.com | Yes | $0.050 | 3 | not checked yet | Historical rank overview API - a monthly time series of a domain's Google organic and paid visibility: ranked |
| library.forgemesh.io | Yes | $0.003 | 3 | not checked yet | Curated reading list on QE for tutoring agents, quiz generators, and reading apps — 168 public-domain books (e |
| fittings | No | $0.003 | 3 | not checked yet | Registrar, creation and expiry dates, status codes, nameservers and DNSSEC state for a domain, from the author |
| x402.forgemesh.io | Yes | $0.005 | 3 | not checked yet | WHOIS-style registration lookup: created/updated/expiry dates, registrar, status codes, and nameservers for an |
| x402scan | Yes | $0.010 | 3 | not checked yet | Resources for a specific origin/domain |
| x402.forgemesh.io | Yes | $0.003 | 3 | not checked yet | DNS resolver: query A, AAAA, MX, TXT, NS, CNAME, SOA, CAA, or SRV records for any hostname and get the validat |
| x402.forgemesh.io | Yes | $0.003 | 3 | not checked yet | Check whether an email address is well-formed and its domain can actually receive mail — RFC-style syntax chec |
| vending-machine-seven.vercel.app | Yes | $0.003 | 3 | not checked yet | Resolve A and AAAA records for a public hostname via DNS-over-HTTPS (60s cache) |
| AI Score paid scan | Yes | $0.010 | 2 | not checked yet | POST /api/scan — agent-readiness scan for a domain (~$0.01 USDC per call) |
| LION Verified Company | Yes | $0.040 | 2 | not checked yet | Org enrich / company enrichment by domain or name. Firmographics pack: name, employees, country, industry, web |
| Space Data API | Yes | $0.010 | 2 | not checked yet | Direct IIIF image URLs (multiple resolutions) for a specific page of a public-domain illustrated classic, with |
| x402-listing-watch | Yes | $0.010 | 2 | not checked yet | Is your x402 service still listed? The Bazaar removes resources that go without settlement, and no one tells y |
| cloudPulsePoint | Yes | $0.030 | 2 | not checked yet | Look up the domain's registration expiry via WHOIS and report the expiry date and days remaining. Use to catch |
| WHOIS Lookup API | Yes | $0.005 | 2 | not checked yet | WHOIS Lookup API. Retrieve domain registration data including registrar, WHOIS server, creation date, expirati |
| cloudPulsePoint | Yes | $0.050 | 2 | not checked yet | Run HTTP + SSL + DNS + domain-expiry in one call and return a combined health snapshot. The single pre-flight |
| 402oracle | Yes | $0.150 | 2 | not checked yet | Bulk domain and company check: domain age, registrar and legitimacy for up to 5 business domains in one call. |
| Bounded Decision Solver | Yes | $0.005 | 2 | not checked yet | Assignment solver — exact minimum-cost worker-to-task matching for resource allocation, with deterministic cho |
| Artifact Inspector | Yes | $0.005 | 2 | not checked yet | PKCS#10 certificate signing request (CSR) inspector — parse requested identities and public-key metadata, calc |
| Artifact Inspector | Yes | $0.005 | 2 | not checked yet | X.509 TLS/SSL certificate inspector — parse fields and SANs, calculate a SHA-256 fingerprint, and check hostna |
| EVM & Solana Utility Tools | Yes | $0.010 | 2 | not checked yet | Keccak Merkle tree and proof builder — generate indexed sorted-pair inclusion proofs with domain separation an |
| DNS Lookup | Yes | $0.002 | 2 | not checked yet | Resolve DNS records over DNS-over-HTTPS: A, AAAA, MX, TXT, NS, CNAME, SOA, CAA, SRV, PTR and more. Returns par |
| JMT Domain Trust Score | Yes | $0.010 | 2 | not checked yet | Domain trust and company-domain intelligence: evidence-backed assessment using RDAP registration data, DNS/sec |
| SCVD General Store | Yes | $1.000 | 2 | not checked yet | Graffiti on a Train. REQUIRES ?tag= on the paid request — a signed request without it is refused before the ga |
| LION Verified Company | Yes | $0.030 | 2 | not checked yet | KYB company dossier / company research pack: web + firmographics + domain trust. $0.03. Vendor intel taster; u |
| LION Verified Company | Yes | $0.005 | 2 | not checked yet | GLEIF LEI lookup for AI agents — Legal Entity Identifier search by LEI code, legal name, or domain. Keyless Gl |
| LION Verified Company | Yes | $0.005 | 2 | not checked yet | Live domain trust signals: DNS (MX/SPF/DMARC/A) + HTTPS probe via Cloudflare DoH. Keyless $0.005. |
| LION Verified Company | Yes | $0.020 | 2 | not checked yet | Multi-list sanctions compliance bundle for AI agents: OFAC SDN wallet address screen + entity name sanctions ( |
| Toll402 | Yes | $0.010 | 2 | not checked yet | Is this business real, and is its contact info live? Give an id, website, phone or name: matches it against th |
| SCRIPTMASTERLABS | Yes | $0.005 | 2 | not checked yet | Provider trust and domain verification API — inspect public DNS/IP, HTTPS/TLS, first-party organization identi |
| ShopperPulse | Yes | $0.020 | 2 | not checked yet | Know Your Merchant (KYM) trust score: pass a merchant domain and get a deterministic 0-100 trust score with a |
| listing-visibility | Yes | $0.020 | 2 | not checked yet | Why isn't my x402 listing getting discovered/sold? ?domain=you.com returns your Bazaar ranking inputs as cohor |
| Palmyr Domains | Yes | $10.000 | 2 | not checked yet | Register a domain for one year via Namecheap. Pricing is dynamic per-TLD — the 402 challenge returns the exact |
| SSL Certificate Validator | Yes | $0.010 | 2 | not checked yet | Inspect the certificate returned by a live TLS handshake, including validity, issuer, subject, authorization, |
| AgentUtility.ai | Yes | $0.005 | 2 | not checked yet | Checks email deliverability by validating address format, MX reachability, temp-mail risk, role mailbox risk, |
| Mart402 | Yes | $0.030 | 2 | not checked yet | Company enrichment: name, domain or URL to verified company profile from primary sources + GLEIF LEI and Japan |
| Macaroon Network | Yes | $0.005 | 2 | not checked yet | Composite trust check for a merchant domain before an agent recommends or transacts with it: live DNS/SSL/RDAP |
| API Acre | Yes | $0.010 | 2 | not checked yet | Validate EIP-712 typed structured data and derive its domain separator, message hash, and signing digest. |
| Otto AI | Yes | $0.020 | 2 | not checked yet | One call returns the full domain profile for vetting, deliverability, or phishing/fraud checks: live DNS (A/MX |
| DopamineDesk AI Marketplace | Yes | $0.040 | 2 | not checked yet | Run a website due diligence and counterparty risk report with seven live checks in one call: DNS and RDAP regi |
| FiatDock | Yes | $0.001 | 2 | not checked yet | Is this email address worth sending to? Syntax, domain DNS (MX, then A/AAAA), disposable/role/free-provider li |
| Old Colony Web Agent Services | Yes | $0.010 | 2 | not checked yet | For $0.01, preflight an email before paid enrichment or outreach planning: inspect syntax, DNS/MX, listed disp |
| Factline | Yes | $0.003 | 2 | not checked yet | Use when you need to judge whether a website or email domain is trustworthy: registration date and domain age |
| 1gateway | Yes | $0.004 | 2 | not checked yet | Use when an agent must check a domain: does it resolve, who hosts its DNS and mail, is email authenticated, ho |
| 1gateway | Yes | $0.009 | 2 | not checked yet | Use when an agent must vet or research a website in one call (lead research, security or SEO check, is this si |
| AllTheBot DNS lookup | Yes | $0.002 | 2 | not checked yet | DNS lookup API: A, AAAA, MX, TXT, NS, CNAME and CAA records of any domain in one call, with TTL and DNSSEC val |
| AllTheBot Domain WHOIS | Yes | $0.003 | 2 | not checked yet | WHOIS lookup and domain availability check (RDAP): registered or available, registrar, creation and expiry dat |
| AllTheBot SSL certificate check | Yes | $0.003 | 2 | not checked yet | SSL certificate check: is the HTTPS certificate of a domain valid? Issuer, expiry date, days remaining, names |
| AllTheBot Email domain check | Yes | $0.003 | 2 | not checked yet | MX records, SPF and DMARC check of a domain: does it accept email, its mail servers, SPF policy, DMARC policy |
| Vokko | Yes | $0.001 | 2 | not checked yet | Can an agent pay at mercadolibre.com.ar? Rails, endpoint, price, freshness. $0.001. Cached report stays free a |
| SiteCheck | Yes | $0.002 | 2 | not checked yet | Domain lookup over RDAP (the successor of WHOIS) and DNS: registered or available, registrar, creation, update |
| SiteCheck | Yes | $0.010 | 2 | not checked yet | Company contact enrichment from a domain: emails (same-domain flagged), phones, social profiles, description a |
| Email Validate API | Yes | $0.004 | 2 | not checked yet | Email validation for syntax, DNS/MX, disposable domain, role-based address, free provider and provider-typo ch |
| d21 domain_intel | Yes | $0.012 | 2 | not checked yet | Domain Intel ($0.012): domain identity & trust posture in one call — RDAP registration data (registrar, creati |
| Puptra PDF Snapshot | Yes | $0.005 | 2 | not checked yet | Every link on the page as absolute URLs, with optional same-domain-only and visible-only filters. |
| Web Search + Page Text | Yes | $0.010 | 2 | not checked yet | Web search API (SERP) with page text: like a search API key, pay per call. Pass q, optional n (1-10, default 5 |
| Degenscan Intel | Yes | $0.003 | 2 | not checked yet | U.S. Treasury auctions: recent results (high yield, bid-to-cover, indirect/direct/primary-dealer share) and up |
| Duo Data Utilities | Yes | $0.050 | 2 | not checked yet | Convert internationalised domain names between Unicode and ASCII punycode in either direction, label by label, |
| Straelo Relay | Yes | $0.003 | 2 | not checked yet | Inspect DNS records, mail configuration, SPF and DMARC for a public domain in one request. |
| Straelo Relay | Yes | $0.005 | 2 | not checked yet | Validate email syntax, domain and MX records for basic automated checks without SMTP mailbox verification. |
| Straelo Relay | Yes | $0.005 | 2 | not checked yet | Check public domain DNS, HTTP, HTTPS, redirects, TLS certificate health and response latency in one request. |
| Agent Utility Suite | Yes | $0.010 | 2 | not checked yet | Who is this company? Give a domain, name, ticker or CIK; get one profile: legal name, ticker and exchange, CIK |
| HubVibe | Yes | $0.020 | 2 | not checked yet | IP geolocation / IP address lookup: city, region, country and coordinates, the network's ASN and organisation, |
| HubVibe | Yes | $0.020 | 2 | not checked yet | Email verification / email validation: will mail to this address arrive? Checked live at the source: syntax, t |
| HubVibe | Yes | $0.050 | 2 | not checked yet | DNS lookup and domain health check: A, AAAA, CNAME, MX, NS, TXT, CAA and SOA records asked of the source, SPF |
| IP Lookup API | Yes | $0.003 | 2 | not checked yet | IP Lookup API. Enrich an IPv4 or IPv6 address with geolocation, ASN, ISP, organization, reverse DNS, timezone, |
| Vaaya | Yes | $0.110 | 2 | not checked yet | Website traffic estimates for a company by domain or Akta uuid — visit trends as a demand/momentum signal. |
| agentfive.ai domain sale | Yes | $0.010 | 2 | not checked yet | Purchase dossier for the domain agentfive.ai: fixed price US$5,000,000 USD, every payment route (USDC on Base, |
| Oblique Markets | Yes | $0.100 | 2 | not checked yet | Use when an agent needs people search. Returns People search for agents over a rich filter vocabulary (names, |
| Forest Web | Yes | $0.001 | 2 | not checked yet | Verify email syntax and public DNS readiness with a bounded deterministic preflight. Forest checks normalized |
| Forest Infra | Yes | $0.003 | 2 | not checked yet | Compare one public DNS record type across a fixed bounded set of independent public DNS-over-HTTPS resolvers. |
| Forest Infra | Yes | $0.003 | 2 | not checked yet | Check whether a DNS change has reached the configured public resolvers. Compare public DoH answers with an opt |
| Forest Web | Yes | $0.003 | 2 | not checked yet | Extract bounded generic metadata and normalized JSON-LD entities from one static public HTML page. Forest retu |
| Forest Infra | Yes | $0.006 | 2 | not checked yet | Compose bounded DNS propagation, TLS validity and HTTP health observations into one conservative deployment-re |
| Company Enrichment by Domain | Yes | $0.010 | 2 | not checked yet | Company enrichment from a website domain for German, Austrian and Swiss companies: reads the legally required |
| Vaaya | Yes | $0.010 | 2 | not checked yet | Fundable — Resolve a FUND or firm NAME to Fundable's own investor `id`, with fuzzy matching and a `relevance_s |
| NetIntel | Yes | $0.030 | 2 | not checked yet | Determine a domain's age from registration data and archival history — tries RDAP, then port-43 WHOIS, then a |
| NetIntel | Yes | $0.010 | 2 | not checked yet | Fingerprints a domain's cloud infrastructure — DNS records, HTTP headers, a TLS handshake and PTR lookups — to |
| NetIntel | Yes | $0.003 | 2 | not checked yet | Domain registration lookup, WHOIS via RDAP — registrar, registration and expiry dates, last-updated date, name |
| Vaaya | Yes | $0.140 | 2 | not checked yet | Deep private-company profile by domain or Akta uuid — pick ONLY the sections you need (each is priced separate |
| Vaaya | Yes | $0.010 | 2 | not checked yet | Emails, phone numbers and social profile links (LinkedIn, X, Facebook, Instagram, TikTok, YouTube, GitHub, Pin |
| NetIntel | Yes | $0.100 | 2 | not checked yet | Composite 0-100 trust/risk score for a domain in one call — blends domain age, SSL/TLS, DNS health, email auth |
| NetIntel | Yes | $0.100 | 2 | not checked yet | One call returns a complete intelligence profile for a domain — WHOIS registration, DNS records, SSL certifica |
| NetIntel | Yes | $0.050 | 2 | not checked yet | Check an IP address against 15 major DNS blacklists (Spamhaus, Barracuda, SORBS, etc.) simultaneously — return |
| NetIntel | Yes | $0.050 | 2 | not checked yet | Generate brandable startup/product names from a keyword using prefixes, suffixes, blends, and phonetic pattern |
| NetIntel | Yes | $0.050 | 2 | not checked yet | Generate common typo and look-alike variations of a domain and check which are already registered — catches ch |
| NetIntel | Yes | $0.050 | 2 | not checked yet | Counterparty due-diligence for any Base or Ethereum wallet — age, funding origin, USDC flow, activity pattern, |
| NetIntel | Yes | $0.030 | 2 | not checked yet | Resolves an IP address or domain to its Autonomous System Number (ASN), network owner, country, and hosting/cl |
| NetIntel | Yes | $0.030 | 2 | not checked yet | Estimate the market value tier of a domain name using transparent heuristics — length, TLD premium, dictionary |
| NetIntel | Yes | $0.003 | 2 | not checked yet | SSL certificate check for any domain — issuer, subject, SANs, valid from/to, days until expiry, expired/self-s |
| tokenguard | Yes | $0.020 | 2 | not checked yet | Certificate-transparency history for a domain (crt.sh) — every TLS certificate issued, which doubles as subdom |
| tokenguard | Yes | $0.020 | 2 | not checked yet | Domain registration facts over RDAP (structured WHOIS): registrar, creation and expiry dates, status codes, na |
| Saylor Innovations Guide Library | Yes | $0.010 | 2 | not checked yet | Forwarding Your Google Domain to a URL or IP — Web & Domains |
| Saylor Innovations Guide Library | Yes | $0.010 | 2 | not checked yet | CNAME Domain Parking & DNS Resource Records — Web & Domains |
| ManyLives Web | Yes | $0.002 | 2 | not checked yet | DNS and email-security check of a domain: A, AAAA, MX, NS, TXT and CAA records, plus SPF and DMARC presence an |
| ManyLives Web | Yes | $0.002 | 2 | not checked yet | Check an email address before sending: syntax, whether the domain exists and accepts mail (MX records), dispos |
| ManyLives Web | Yes | $0.002 | 2 | not checked yet | DNS lookup for up to 10 domains in one call: A, AAAA, MX, NS, TXT, CNAME, CAA and SOA records as structured JS |
| ManyLives Web | Yes | $0.003 | 2 | not checked yet | Registration facts for a domain from the public registry (RDAP): registrar, created, updated and expiry dates, |
| ManyLives Web | Yes | $0.003 | 2 | not checked yet | Are these domain names free to register? Checks up to 10 names against the public registries: registered (with |
| AgentUtility.ai | Yes | $0.010 | 2 | not checked yet | Person lookup / person enrichment API (alias of people-enrich). Resolve an email, name, domain, or company int |
| Domain Intelligence | Yes | $0.010 | 2 | not checked yet | Get a structured technical intelligence report for a public domain, including DNS, MX/mail configuration, HTTP |
| AgentUtility.ai | Yes | $0.010 | 2 | not checked yet | Enriches a contact from email, name, domain, or company into a normalized public-data record with inferred dis |
| legal-litigation | Yes | $0.030 | 2 | not checked yet | Find US court cases, opinions and dockets naming a business entity. Returns normalized records with case name, |
| Tanod dnspeek | Yes | $0.002 | 2 | not checked yet | dnspeek (Tanod) domain availability: registry RDAP and DNS NS evidence for each name, inferred and not a regis |
| Tanod utilpeek | Yes | $0.005 | 2 | not checked yet | utilpeek (Tanod) company profile from a domain: site metadata, socials, mail provider and SaaS tools from DNS, |
| Tanod dnspeek | Yes | $0.001 | 2 | not checked yet | dnspeek (Tanod) IP lookup: reserved-range class, origin ASN, network, registration country (not geolocation), |
| Tanod chainpeek | Yes | $0.001 | 2 | not checked yet | chainpeek (Tanod) batch phishing/scam URL screening against public domain lists. USD 0.0002 per item, at least |
| Tanod chainpeek | Yes | $0.001 | 2 | not checked yet | chainpeek (Tanod) phishing/scam URL screening against public domain lists (never fetched). |
| Tanod dnspeek | Yes | $0.002 | 2 | not checked yet | dnspeek (Tanod) email verification: syntax, MX / null MX, disposable, role and free-provider checks from DNS o |
| x402-factory | Yes | $0.010 | 2 | not checked yet | Active NWS alerts for a point or state, plus model-forward hazard risk — Official National Weather Service act |
| DNS Lookup | Yes | $0.002 | 2 | not checked yet | Resolve DNS records for a domain via Cloudflare DNS-over-HTTPS — A, AAAA, MX, TXT, NS, CNAME, SOA. Pass name= |
| SwogeAgentic | Yes | $0.010 | 2 | not checked yet | Use this when you need passive reconnaissance on internet infrastructure: a domain, an IP address, a website U |
| url-oracle | Yes | $0.003 | 2 | not checked yet | Checks whether a URL/domain is safe to fetch, cite, or follow: flags phantom-squatted or typosquatted brand do |
| agents.ai-rook.com | No | $0.001 | 2 | not checked yet | Email validation — syntax check plus live MX record DNS lookup to confirm deliverability. |
| Edge Agents AI | Yes | — | 2 | not checked yet | Supply Chain Shock Radar. Synthesises cross-domain stress evidence into transparent risk transmission, downsid |
| Edge Agents AI | Yes | — | 2 | not checked yet | Geopolitical Business Risk Context. Synthesises cross-domain stress evidence into transparent risk transmissio |
| Edge Agents AI | Yes | — | 2 | not checked yet | Regulatory Change Impact Context. Synthesises cross-domain stress evidence into transparent risk transmission, |
| Edge Agents AI | Yes | — | 2 | not checked yet | Recession Business Exposure. Synthesises cross-domain stress evidence into transparent risk transmission, down |
| Edge Agents AI | Yes | — | 2 | not checked yet | Corporate Resilience Environment Score. Synthesises cross-domain stress evidence into transparent risk transmi |
| Email deliverability check | Yes | $0.002 | 2 | not checked yet | End-to-end email-auth report for a domain: SPF + DMARC + DKIM (probes common selectors automatically) + MX rec |
| US Treasury yield history | Yes | $0.005 | 2 | not checked yet | Last N business days of US Treasury constant-maturity yields, oldest→newest. Source: FRED DGS* series (St. Lou |
| magent | Yes | $0.005 | 2 | not checked yet | Sharma 2009 Edmonton Obesity Staging System (EOSS). Caller-assigned stage 0-4 with the published clinical-pict |
| magent | Yes | $0.005 | 2 | not checked yet | ACR/EULAR 2016 primary Sjögren classification (Shiboski Table 3). Required: inclusion_met true (AECG dryness o |
| bulk-domain-trust-score | Yes | $0.010 | 2 | not checked yet | Bulk domain trust score: up to 10 domains in one $0.01 call, each with the 0-100 established/legitimacy score, |
| bulk-dns-lookup | Yes | $0.010 | 2 | not checked yet | Bulk DNS lookup: up to 20 domains in one $0.01 call. For each: A records, MX records, nameservers, and whether |
| dns-aaaa-records | Yes | $0.010 | 2 | not checked yet | DNS AAAA record lookup: resolve a domain name to its IPv6 addresses with TTL and DNSSEC validation flag. Tells |
| dns-provider-detect | Yes | $0.010 | 2 | not checked yet | DNS hosting provider detection: who hosts a domain's DNS (Cloudflare, AWS Route 53, Google Cloud DNS, Azure, N |
| spf-flatten | Yes | $0.010 | 2 | not checked yet | SPF flattener: recursively expands a domain's SPF includes and redirects into the final list of authorised IPv |
| email-deliverability-report | Yes | $0.010 | 2 | not checked yet | Email authentication and deliverability report for a domain in one call: SPF (with -all check), DMARC policy s |
| email-domain-intel | Yes | $0.010 | 2 | not checked yet | From an email address to its company: runs the full domain-intel report on the address's domain (registration, |
| bulk-ip-info | Yes | $0.010 | 2 | not checked yet | Bulk IP enrichment: up to 20 IPv4 addresses in one $0.01 call, each with public/private classification, ASN an |
| ads-txt | Yes | $0.010 | 2 | not checked yet | ads.txt parser: fetches a publisher's ads.txt and lists authorised ad systems with account IDs and relationshi |
| lead-card | Yes | $0.010 | 2 | not checked yet | Lead card: a one-screen company summary for a CRM from just a domain: company name, one-line description, webs |
| url-parse | Yes | $0.010 | 2 | not checked yet | URL parser: scheme, host, port, path segments, query parameters (multi-valued), fragment, origin, registrable |
| Vextorium | Yes | $0.003 | 2 | not checked yet | Monthly US federal receipts, outlays and deficit (or surplus), plus the trailing 12-month deficit, from the Mo |
| ip-whois-rdap | Yes | $0.010 | 2 | not checked yet | IP WHOIS via RDAP: the registered netblock for an address with its name, handle, allocation type, country, sta |
| bulk-whois-lookup | Yes | $0.010 | 2 | not checked yet | Bulk WHOIS/RDAP lookup: up to 10 domains in one $0.01 call, each with registrar, registration date, expiry dat |
| dns-propagation-check | Yes | $0.010 | 2 | not checked yet | DNS propagation check: resolves a domain's A and MX records through three independent public resolvers (Cloudf |
| dns-ttl-audit | Yes | $0.010 | 2 | not checked yet | DNS TTL audit: the cache time-to-live for A, AAAA, MX, NS and TXT records with plain-English notes on which ar |
| saas-verification-tokens | Yes | $0.010 | 2 | not checked yet | Which SaaS vendors a company uses, from DNS TXT verification tokens: Google Workspace, Microsoft 365, Apple, F |
| idn-punycode-convert | Yes | $0.010 | 2 | not checked yet | IDN / punycode converter and homograph check: converts between Unicode and ASCII (xn--) domain forms, lists th |
| dnsbl-check | Yes | $0.010 | 2 | not checked yet | IP blacklist (DNSBL) check: is an IPv4 address listed on Spamhaus ZEN, SpamCop, Barracuda, SORBS, UCEPROTECT o |
| tld-info | Yes | $0.010 | 2 | not checked yet | TLD information: the registry's RDAP server from the IANA bootstrap file, whether the TLD zone is DNSSEC-signe |
| spoofability-check | Yes | $0.010 | 2 | not checked yet | Can this domain be spoofed? Checks whether SPF and DMARC together actually block forged mail: missing DMARC, p |
| email-extractor | Yes | $0.010 | 2 | not checked yet | Extract every email address from a block of text: deduplicated, lowercased, syntax-validated, with a per-domai |
| typosquat-generator | Yes | $0.010 | 2 | not checked yet | Typosquat finder: generates the most likely typo, transposition, omission, doubled-letter, homoglyph and TLD-s |
| dns-wildcard-check | Yes | $0.010 | 2 | not checked yet | Wildcard DNS check: resolves a random non-existent subdomain to see whether the zone answers everything (wildc |
| dns-change-detect | Yes | $0.010 | 2 | not checked yet | DNS change detection: snapshots a domain's A, AAAA, MX, NS, TXT and CAA records, compares with the snapshot fr |
| dmarc-parse | Yes | $0.010 | 2 | not checked yet | DMARC record parser and validator: paste any DMARC TXT string and get the policy, subdomain policy, percentage |
| email-provider-detect | Yes | $0.010 | 2 | not checked yet | Email provider detection for an address or domain: consumer webmail (Gmail, Outlook.com, Yahoo, iCloud, Proton |
| catch-all-hint | Yes | $0.010 | 2 | not checked yet | Catch-all mailbox hint (no SMTP probing): estimates whether a domain accepts mail to any address, from provide |
| mail-provider-detect | Yes | $0.010 | 2 | not checked yet | Mail provider detection for a domain: the primary inbound provider from MX (Google Workspace, Microsoft 365, P |
| ipv6-support-check | Yes | $0.010 | 2 | not checked yet | IPv6 readiness check for a domain: AAAA records for the site, IPv6 on its mail exchangers and on its nameserve |
| well-known-scan | Yes | $0.010 | 2 | not checked yet | Well-known file scan: checks 37 standard URLs on a domain (robots.txt, sitemap.xml, security.txt, ads.txt, llm |
| third-party-scripts | Yes | $0.010 | 2 | not checked yet | Third-party script inventory: every external domain a page loads scripts, styles, frames or images from, group |
| company-profile | Yes | $0.010 | 2 | not checked yet | Company profile from a domain in one call: name and description from the homepage, social profiles, contact em |
| domain-risk-report | Yes | $0.010 | 2 | not checked yet | Domain risk report for fraud and phishing screening: domain age and expiry, typosquat-of-brand hints, DNS and |
| country-info | Yes | $0.010 | 2 | not checked yet | Country facts: official name, ISO codes, capital, region, population, area, currencies, languages, calling cod |
| website-security-report | Yes | $0.010 | 2 | not checked yet | Website security posture report with an A-F grade: HTTPS and redirect to HTTPS, HSTS, security headers (CSP, X |
| short-link-expand | Yes | $0.010 | 2 | not checked yet | Short link expander: follows every redirect of a bit.ly, t.co, tinyurl, goo.gl, git.io, lnkd.in or tracking li |
| certificate-history | Yes | $0.010 | 2 | not checked yet | Certificate issuance history from certificate-transparency logs: every certificate ever logged for the domain |
| redirect-audit | Yes | $0.010 | 2 | not checked yet | Redirect audit for a domain: how http://, https://, www and apex variants each resolve, where they end, hop co |
| http3-support | Yes | $0.010 | 2 | not checked yet | HTTP/3 and modern-transport support: checks the DNS HTTPS record (alpn, ech, ipv4hint), the Alt-Svc response h |
| security-grade | Yes | $0.010 | 2 | not checked yet | Security grade A-F for a website in one number: HTTPS upgrade, HSTS, CSP, frame/content-type/referrer/permissi |
| domain-expiry-days | Yes | $0.010 | 2 | not checked yet | Domain registration expiry: days until the domain expires, the expiry/registration/last-updated dates, registr |
| dns-http-consistency | Yes | $0.010 | 2 | not checked yet | DNS vs HTTP consistency: resolves the domain's A/AAAA records, fetches the site over HTTPS, and reports whethe |
| did-web-resolve | Yes | $0.010 | 2 | not checked yet | did:web resolver: converts a did:web identifier (or domain) to its DID document URL (/.well-known/did.json or |
| bulk-domain-expiry | Yes | $0.010 | 2 | not checked yet | Bulk domain expiry for up to 20 domains in one call: expiry date, days left, registrar and at-risk status per |
| www-apex-check | Yes | $0.010 | 2 | not checked yet | www vs apex check: fetches both https://domain/ and https://www.domain/ (and the http:// variants), reports wh |
| status-page-detect | Yes | $0.010 | 2 | not checked yet | Status page finder: probes status.<domain>, <domain>/status, <domain>status.com and common hosted providers (S |
| mail-health-report | Yes | $0.010 | 2 | not checked yet | Mail health report with an A-F grade in one call: MX records present and resolvable, SPF present and syntactic |
| certificate-sans | Yes | $0.010 | 2 | not checked yet | Subject Alternative Names of the newest certificate for a domain from certificate-transparency logs: every hos |
| webfinger-lookup | Yes | $0.010 | 2 | not checked yet | WebFinger lookup (RFC 7033): resolves acct:user@domain or a resource URI via /.well-known/webfinger and return |
| dkim-selector-scan | Yes | $0.010 | 2 | not checked yet | DKIM selector scan: tests 50 common DKIM selectors (Google, Microsoft 365, Mailchimp, SendGrid, Amazon SES, Po |
| nameserver-health | Yes | $0.010 | 2 | not checked yet | Nameserver health for a domain: every NS hostname resolves to an address, SOA serial and primary, minimum-two- |
| email-syntax-check | Yes | $0.010 | 2 | not checked yet | Fast email syntax check (no DNS): validates local part and domain shape per RFC 5322 practical rules, flags le |
| is-website-up | Yes | $0.010 | 2 | not checked yet | Is this website up? Checks if a URL is online right now and answers up/down with the HTTP status code, respons |
| cookie-audit | Yes | $0.010 | 2 | not checked yet | Cookie audit from the Set-Cookie headers of a page load: each cookie's name, Secure, HttpOnly and SameSite fla |
| domain-expiration-date | Yes | $0.010 | 2 | not checked yet | When does this domain expire? Returns the domain expiration date, days until expiry, registration date, regist |
| validate-email-address | Yes | $0.010 | 2 | not checked yet | Validate email address: checks syntax, whether the domain exists and accepts mail (MX records), disposable or |
| Email SPF Alignment Check | Yes | $0.001 | 2 | not checked yet | Email SPF Alignment Check: checks relaxed or strict SPF domain alignment using only bounded caller-supplied va |
| Vextorium | Yes | $0.003 | 2 | not checked yet | Average interest rate the US Treasury pays on its debt by instrument (bills, notes, bonds, TIPS, FRNs...) and |
| Vextorium | Yes | $0.003 | 2 | not checked yet | Average interest rate the US Treasury pays on its debt by instrument (bills, notes, bonds, TIPS, FRNs...) and |
| Vextorium | Yes | $0.003 | 2 | not checked yet | Follow the redirect chain of a URL (up to 10 hops): status code and time of each hop, final URL, domain change |
| Vextorium | Yes | $0.003 | 2 | not checked yet | Detect which email service a domain uses (Google Workspace, Microsoft 365, Zoho, Proton, OVH, IONOS...) from i |
| Vextorium | Yes | $0.003 | 2 | not checked yet | TLS certificate of a domain: issuer, validity dates, days until expiry, names covered (SAN), whether it matche |
| Vextorium | Yes | $0.003 | 2 | not checked yet | Analyze raw email headers: sender, recipient, subject, server hops (Received) with delays, SPF/DKIM/DMARC resu |
| Vextorium | Yes | $0.004 | 2 | not checked yet | Email security of a domain: MX, SPF (final policy, multiple-record and lookup-limit problems), DMARC (policy, |
| Vextorium | Yes | $0.004 | 2 | not checked yet | Check DNS propagation of a record across 8 public resolvers worldwide (Google, Cloudflare, Quad9, OpenDNS, AdG |
| Vextorium | Yes | $0.004 | 2 | not checked yet | Latest US Treasury par yield curve (1 month to 30 years), change in basis points versus N days ago, 10y-2y and |
| Vextorium | Yes | $0.006 | 2 | not checked yet | Company profile from its domain, without personal data: website title and description, social profiles, techno |
| Vextorium | Yes | $0.006 | 2 | not checked yet | Company profile from its domain, without personal data: website title and description, social profiles, techno |
| x402-tollbooth.onrender.com | Yes | $0.010 | 2 | not checked yet | Check whether a domain or email address is trustworthy before you contact it, sign it up, or trust it. Returns |
| witnessd.vip | Yes | $0.020 | 2 | not checked yet | Independently fetch, hash, timestamp and archive a URL or API response; returns a signed certificate. Merkle-a |
| FiatDock Marketplace | Yes | $0.010 | 2 | not checked yet | Pay-per-call: Hostname dossier (DNS/RDAP/TLS) |
| agent-domain-trust.iykykblog.workers.dev | Yes | $0.010 | 2 | not checked yet | Assess the trustworthiness of a domain: RDAP registration age and registrar, DNS records (A/MX/TXT-SPF), and H |
| toolvend.dev | Yes | $0.009 | 2 | not checked yet | Inspect a public URL: HEAD redirect trace, DNS A/AAAA observations and security headers in one report. At most |
| buero.halowerk.com | Yes | $0.004 | 2 | not checked yet | Import report: count rejection reasons independently of DNS latency. Reuses the existing email-list-clean moto |
| mcpfax-utility.bowling-anthony.workers.dev | Yes | $0.005 | 2 | not checked yet | Email validation — Syntax check + live MX/deliverability + disposable-domain flag. |
| api.aventtech.com | Yes | $0.020 | 2 | not checked yet | Look up a domain name and check whether it is registered or available. Queries authoritative registry data via |
| vendsdk.com | Yes | $0.004 | 2 | not checked yet | Validate email format, disposable-domain heuristics, and live DNS MX records via DoH for outreach and lead-gen |
| chainverdict.xyz | Yes | $0.010 | 2 | not checked yet | Live TLS probe of a hostname: certificate validity and expiry, issuer, chain completeness, protocol and cipher |
| chainverdict.xyz | Yes | $0.005 | 2 | not checked yet | Analyse a domain for brand impersonation: homoglyph substitution, character insertion and omission, TLD swaps |
| chainverdict.xyz | Yes | $0.010 | 2 | not checked yet | Email-authentication posture for a domain: SPF record and policy, DMARC policy and alignment, DKIM selector pr |
| api.aventtech.com | Yes | $0.020 | 2 | not checked yet | Validate an email address and check whether an email domain can receive mail. Verifies email syntax and perfor |
| agent.connskill.com | Yes | $0.400 | 2 | not checked yet | Whois record for one domain: registration/expiry dates, registrar, status codes plus SEO metrics |
| agent-research-api.onrender.com | Yes | $0.060 | 2 | not checked yet | ResearchPi: Get an evidence-backed company profile from its official domain, reading at most 3 pages. Uses mat |
| orbylon.com | Yes | $0.050 | 2 | not checked yet | Agent Readiness Scan, full report: runs all 16 checks against a domain and returns the complete machine-readab |
| Tech Detect | Yes | $0.003 | 2 | not checked yet | One HTTP request per host, matched against an in-house signature set. Every hit carries a confidence value fro |
| ForwardLane | Yes | $0.050 | 2 | not checked yet | BM25 plus vector search with reciprocal rank fusion over Function and Class nodes, with repository, domain, on |
| Saylor Innovations Guide Library | Yes | $0.010 | 2 | not checked yet | Domain and Hosting Migration Guide — Web & Domains |
| Saylor Innovations Guide Library | Yes | $0.010 | 2 | not checked yet | DNS, TLS and Deployment Triage — Web & Domains |
| Pubrio | Yes | $0.010 | 2 | not checked yet | Returns the stored company record by domain, LinkedIn URL or Pubrio id: firmographics, locations, industry, te |
| Pubrio | Yes | $0.010 | 2 | not checked yet | Returns the stored company record by domain, LinkedIn URL or Pubrio id: firmographics, locations, industry, te |
| Domain Intel | Yes | $0.009 | 2 | not checked yet | Requires an unauthenticated caller-owned baseline; returns real current NS/MX records, added/removed sets and |
| Domain Intel | Yes | $0.009 | 2 | not checked yet | Requires an unauthenticated caller-owned baseline; returns real current NS/MX records, added/removed sets and |
| Domain Intel | Yes | $0.009 | 2 | not checked yet | Requires an unauthenticated caller-owned baseline; returns real current NS/MX records, added/removed sets and |
| Domain Intel | Yes | $0.009 | 2 | not checked yet | Requires an unauthenticated caller-owned baseline; returns real current NS/MX records, added/removed sets and |
| Domain Intel | Yes | $0.009 | 2 | not checked yet | Requires an unauthenticated caller-owned baseline; returns real current NS/MX records, added/removed sets and |
| Domain Intel | Yes | $0.009 | 2 | not checked yet | Requires an unauthenticated caller-owned baseline; returns real current NS/MX records, added/removed sets and |
| Domain Intel | Yes | $0.009 | 2 | not checked yet | Requires an unauthenticated caller-owned baseline; returns real current NS/MX records, added/removed sets and |
| Domain Intel | Yes | $0.009 | 2 | not checked yet | Requires an unauthenticated caller-owned baseline; returns real current NS/MX records, added/removed sets and |
| Domain Intel | Yes | $0.009 | 2 | not checked yet | Requires an unauthenticated caller-owned baseline; returns real current NS/MX records, added/removed sets and |
| Domain Intel | Yes | $0.009 | 2 | not checked yet | Requires an unauthenticated caller-owned baseline; returns real current NS/MX records, added/removed sets and |
| Tech Detect | Yes | $0.009 | 2 | not checked yet | One bounded batch uses the existing technology detector with a fresh fetch per domain. Reports additions, remo |
| CRA AGENT data | Yes | $0.003 | 2 | not checked yet | Registrar, creation and expiry dates, status codes and name servers of a domain from the registry's RDAP recor |
| Domain registration | Yes | $0.006 | 2 | not checked yet | Look up a domain's RDAP registration data — registrar, status, creation/expiry/update dates, nameservers and D |
| Resolve DNS records | Yes | $0.006 | 2 | not checked yet | Resolve DNS records for a hostname — A, AAAA, CNAME, MX, TXT, NS, SOA, CAA or SRV. NXDOMAIN or an absent recor |
| Bitwise NOT | Yes | $0.002 | 2 | not checked yet | One's-complement NOT of a non-negative integer within an explicit bit width (two's-complement domain). The val |
| CRA AGENT data | Yes | $0.001 | 2 | not checked yet | Live DNS records for a host name, with TTLs and whether the answers validated under DNSSEC. ?type= takes a com |