Blockchain reads
2,240 sellers. How we check them: accuracy_onchain.py (balances, block); nonce, code, chain id, NFT owner next (status: live). Most-bought first.
| Seller | Answering | Price | Buyers (30 days) | What it sells |
|---|---|---|---|---|
| AX1 Console | Yes | $0.020 | 4,667 | Send a Base token contract address, get an AI-written verdict: onchain metrics, a plain-language take, and a s |
| api.onesource.io | Yes | $0.003 | 604 | ERC20 token balance for any Ethereum wallet - USDC, USDT, DAI, or any token - via balanceOf (eth_call) on OneS |
| api.onesource.io | Yes | $0.001 | 575 | Latest Ethereum block height - current chain tip via eth_blockNumber |
| api.onesource.io | Yes | $0.003 | 537 | Live wallet balance - native ETH plus up to 20 caller-supplied ERC20 tokens in one bounded RPC batch |
| api.onesource.io | Yes | $0.005 | 453 | ERC20 Transfer logs via eth_getLogs - raw Transfer events for a token or wallet |
| api.onesource.io | Yes | $0.005 | 452 | Best-effort contract introspection via batched RPC - bytecode presence, token metadata, and ERC20-like/ERC721/ |
| api.onesource.io | Yes | $0.003 | 417 | Fetch an Ethereum block header and transaction hashes by number, tag, or hex via eth_getBlockByNumber |
| api.onesource.io | Yes | $0.003 | 411 | Total supply of an ERC20 or ERC721 token contract via totalSupply (eth_call) |
| api.onesource.io | Yes | $0.005 | 404 | ENS resolve - turn a .eth name into an address, or an address into its primary .eth name, via eth_call on OneS |
| api.onesource.io | Yes | $0.003 | 394 | Next transaction nonce for any Ethereum wallet via eth_getTransactionCount - how many txs it has sent |
| api.onesource.io | Yes | $0.005 | 361 | Deepstate, the on-chain order-book exchange on Robinhood Chain. Order-book snapshot for a market, bids descend |
| api.onesource.io | Yes | $0.001 | 359 | EVM network info - chain ID, block height, gas price, chain head age, and chain characteristics in one batched |
| api.onesource.io | Yes | $0.005 | 346 | Deepstate, the on-chain order-book exchange on Robinhood Chain. Rolling 24h / 7d / 30d volume and price change |
| api.onesource.io | Yes | $0.005 | 342 | Deepstate, the on-chain order-book exchange on Robinhood Chain. OHLCV candles for a market. |
| api.onesource.io | Yes | $0.005 | 332 | Deepstate, the on-chain order-book exchange on Robinhood Chain. Trade tape for a market, newest first. |
| api.onesource.io | Yes | $0.008 | 327 | Full Ethereum transaction details by hash via eth_getTransactionByHash - from, to, value, calldata, block |
| api.onesource.io | Yes | $0.005 | 305 | Query Ethereum contract event logs via eth_getLogs - filter by contract, topic, and block range |
| api.onesource.io | Yes | $0.005 | 277 | Transaction receipt via eth_getTransactionReceipt - status, gas, and event logs for a mined Ethereum transacti |
| api.onesource.io | Yes | $0.001 | 273 | Ethereum chain ID (EIP-155) via eth_chainId - confirm which chain a network is on |
| api.onesource.io | Yes | $0.008 | 262 | List every ERC721 NFT token_id a wallet owns in a collection via tokenOfOwnerByIndex (eth_call) |
| api.onesource.io | Yes | $0.003 | 258 | ERC20 allowance via allowance (eth_call) - how much a spender is approved to move from an owner's wallet |
| api.onesource.io | Yes | $0.008 | 253 | NFT metadata for ERC721 or ERC1155 tokens via eth_call, with IPFS, Arweave, data URI, and public HTTP(S) resol |
| api.onesource.io | Yes | $0.003 | 248 | Check if an Ethereum address is a contract via eth_getCode - returns deployed bytecode |
| api.onesource.io | Yes | $0.004 | 245 | Estimate the gas a transaction will consume via eth_estimateGas before signing it |
| api.onesource.io | Yes | $0.020 | 241 | Deepstate, the on-chain order-book exchange on Robinhood Chain. Per-maker time-at-top, notional rested, fills, |
| api.onesource.io | Yes | $0.020 | 237 | Deepstate, the on-chain order-book exchange on Robinhood Chain. Depth heatmap - resting order size by price le |
| api.onesource.io | Yes | $0.005 | 233 | Simulate a read-only Ethereum contract call via eth_call - no transaction sent |
| api.onesource.io | Yes | $0.020 | 228 | Deepstate, the on-chain order-book exchange on Robinhood Chain. Gas spent resting and cancelling orders for a |
| api.onesource.io | Yes | $0.003 | 157 | Look up the current owner of an ERC721 NFT by token_id via ownerOf (eth_call) |
| api.onesource.io | Yes | $0.003 | 156 | ERC1155 token balance via balanceOf (eth_call) - how many copies of a token_id a wallet holds |
| api.onesource.io | Yes | $0.005 | 135 | Detect upgradeable proxy patterns (EIP-1967, UUPS, Transparent) via eth_getStorageAt - returns the implementat |
| api.onesource.io | Yes | $0.005 | 134 | Read a raw storage slot from any Ethereum contract via eth_getStorageAt |
| api.onesource.io | Yes | $0.020 | 88 | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Summary across reserve branches. |
| api.onesource.io | Yes | $0.020 | 83 | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. A snapshot of reserve backing: va |
| api.onesource.io | Yes | $0.010 | 81 | Pending block - transactions not yet mined, via eth_getBlockByNumber("pending") |
| api.onesource.io | Yes | $0.020 | 81 | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Latest expansion and contraction |
| api.onesource.io | Yes | $0.020 | 78 | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. The current epoch's regime (expan |
| api.onesource.io | Yes | $0.020 | 76 | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Current exit-pressure gauge acros |
| api.onesource.io | Yes | $0.020 | 72 | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Latest supply ledger: cumulative |
| api.onesource.io | Yes | $0.005 | 71 | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Charters, optionally filtered by |
| api.onesource.io | Yes | $0.020 | 67 | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. A current-pace projection of the |
| api.onesource.io | Yes | $0.020 | 65 | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. How the reserve's exit fee change |
| api.onesource.io | Yes | $0.020 | 63 | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Cumulative STANDARD issuance agai |
| api.onesource.io | Yes | $0.020 | 63 | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. The launch tax hook's current buy |
| api.onesource.io | Yes | $0.020 | 61 | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. OHLC price candles for the STANDA |
| keyring-agent.blockchhub.link | Yes | $0.050 | 58 | Pay the send-token execution fee (ERC-20 transfer) |
| api.onesource.io | Yes | $0.020 | 57 | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Hourly ETH in/out and net flow th |
| api.onesource.io | Yes | $0.020 | 56 | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Live Branch license auction state |
| api.onesource.io | Yes | $0.020 | 56 | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Whether the contraction vault's n |
| api.onesource.io | Yes | $0.020 | 55 | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. A current-pace projection of the |
| api.loyalspark.online | Yes | $0.001 | 54 | Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real va |
| api.onesource.io | Yes | $0.020 | 53 | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Exit-pressure history. Fields end |
| api.onesource.io | Yes | $0.020 | 51 | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Epoch history and boundaries. Fie |
| api.onesource.io | Yes | $0.020 | 51 | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Auction sale history, newest firs |
| api.onesource.io | Yes | $0.020 | 50 | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Supply ledger history. Fields end |
| api.onesource.io | Yes | $0.020 | 43 | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Governance and parameter-change h |
| api.onesource.io | Yes | $0.020 | 43 | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Backing-ratio history, joined aga |
| api.onesource.io | Yes | $0.005 | 41 | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Chain-read protocol constants: ba |
| Oblique Markets | Yes | $0.002 | 40 | Use when an agent needs base gas price. Returns Current Base gas price: fetch EIP-1559 latest-block base fee a |
| api.onesource.io | Yes | $0.020 | 39 | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Vault snapshot history. Fields en |
| api.onesource.io | Yes | $0.005 | 39 | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Raw protocol event feed, newest f |
| Nansen | Yes | $0.010 | 36 | Get Address Current Balance Data |
| Oblique Markets | Yes | $0.002 | 36 | Use when an agent needs base block number. Returns Fetch the current Base mainnet block number from redundant |
| api.loyalspark.online | Yes | $0.001 | 35 | Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real va |
| api.loyalspark.online | Yes | $0.001 | 34 | Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real va |
| api.onesource.io | Yes | $0.020 | 33 | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Wallet last-activity records, fla |
| api.onesource.io | Yes | $0.020 | 33 | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. How concentrated Charter and Bran |
| api.loyalspark.online | Yes | $0.001 | 32 | Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real va |
| api.loyalspark.online | Yes | $0.001 | 31 | Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real va |
| api.onesource.io | Yes | $0.050 | 31 | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Everything relevant to deciding w |
| api.onesource.io | Yes | $0.020 | 31 | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Per-day history for the license o |
| api.onesource.io | Yes | $0.020 | 29 | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Days of Issuance: how the current |
| api.loyalspark.online | Yes | $0.005 | 28 | Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real va |
| Cult OS Developer Tools | Yes | $0.001 | 28 | Environment Contract |
| api.loyalspark.online | Yes | $0.001 | 25 | Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real va |
| api.onesource.io | Yes | $0.020 | 25 | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Wallets past their reportable dor |
| TenPrint | Yes | $0.001 | 23 | Attested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Eac |
| api.loyalspark.online | Yes | $0.001 | 22 | Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real va |
| api.x402node.dev | Yes | $0.010 | 22 | Heuristic honeypot and risk check for an ERC20 token via on-chain eth_call - detects active owner control and |
| api.onesource.io | Yes | $0.050 | 21 | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Everything relevant to deciding w |
| TenPrint | Yes | $0.001 | 20 | Attested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Eac |
| Quartermaster Gas Prices | Yes | $0.001 | 20 | Current Base gas prices and a simple-transfer cost estimate for transaction planning. |
| api.loyalspark.online | Yes | $0.001 | 20 | Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real va |
| api.x402node.dev | Yes | $0.005 | 20 | Heuristic on-chain labels for any address - contract vs EOA, activity tier, balance band and transaction count |
| api.x402node.dev | Yes | $0.006 | 20 | Live gas oracle with slow, standard and fast fee tiers computed from recent block fee history - current base f |
| api.x402node.dev | Yes | $0.006 | 20 | Inspect an ERC20 token contract for buy/sell tax fields, owner renouncement and basic honeypot risk flags on E |
| api.x402node.dev | Yes | $0.005 | 20 | Live gas price across Base, Ethereum, Arbitrum, Optimism, Polygon and BSC sorted cheapest first - lets agents |
| Vibe Springs | Yes | $0.001 | 19 | Base network real-time gas price oracle. Returns block base fee, current gas price in GWEI, and network block |
| AX1 Console | Yes | $0.020 | 19 | Send a token contract address (Base by default, or Robinhood Chain), get an AI-written verdict: onchain metric |
| api.x402node.dev | Yes | $0.005 | 19 | Total value locked for any DeFi protocol with per-chain breakdown via DefiLlama, by protocol slug such as aave |
| CoinGecko | Yes | $0.010 | 18 | Search onchain DEX pools and token, by contract address, name, or token symbol. |
| AgentPay Pre-Trade Risk Check | Yes | $0.000 | 17 | Pre-trade risk check for AI agents trading crypto: live orderbook slippage at YOUR size, side-aware funding ca |
| api.loyalspark.online | Yes | $0.001 | 17 | Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real va |
| sandbox.node4all.com | Yes | $0.002 | 17 | Node4All Fortune — deterministic fortune reading derived from the x402 payment authorization nonce. Flagship d |
| api.onesource.io | Yes | $0.050 | 17 | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Everything relevant to deciding w |
| api.onesource.io | Yes | $0.050 | 17 | The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Simulates keep, selective, and ag |
| api.x402node.dev | Yes | $0.018 | 17 | Realized trading profit and loss for any wallet - total profit USD, ROI percentage, trade count and a smart-mo |
| api.loyalspark.online | Yes | $0.001 | 16 | Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real va |
| api.loyalspark.online | Yes | $0.010 | 15 | Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real va |
| api.loyalspark.online | Yes | $0.001 | 15 | Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real va |
| api.loyalspark.online | Yes | $0.002 | 15 | Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real va |
| IXS | Yes | $0.001 | 14 | IXS Real world asset vaults — 6% yields, BlackRock exposure, tokenized on-chain |
| ApiToll Base Gas Oracle | Yes | $0.001 | 14 | Base gas oracle / gas price API for AI agents and bots — get the gas price for a transaction on Base in one x4 |
| api.loyalspark.online | Yes | $0.005 | 14 | Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real va |
| api.loyalspark.online | Yes | $0.010 | 14 | Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real va |
| pro-api.coinmarketcap.com | Yes | $0.010 | 14 | Search for DEX tokens by keyword (name, symbol, or contract address). |
| api.loyalspark.online | Yes | $0.005 | 13 | Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real va |
| api.loyalspark.online | Yes | $0.005 | 13 | Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real va |
| api.loyalspark.online | Yes | $0.010 | 13 | Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real va |
| api.loyalspark.online | Yes | $0.005 | 13 | Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real va |
| api.loyalspark.online | Yes | $0.010 | 13 | Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real va |
| base-gas-x402 | Yes | $0.005 | 12 | Live Base mainnet gas: EIP-1559 base fee, low/medium/high priority tiers in gwei, and a transaction cost estim |
| API Acre | Yes | $0.001 | 12 | Read the latest Base mainnet block and a bounded EIP-1559 fee history in one RPC batch, including gas utilizat |
| api.loyalspark.online | Yes | $0.010 | 12 | Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real va |
| api.loyalspark.online | Yes | $0.010 | 12 | Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real va |
| api.loyalspark.online | Yes | $0.005 | 12 | Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real va |
| Pocket Network | Yes | $0.005 | 12 | Read-only JSON-RPC access to Solana mainnet-beta, served by the Pocket Network decentralised supplier set. Pay |
| NodeFlare | Yes | $0.001 | 11 | Base RPC (chain 8453): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no ac |
| Nansen | Yes | $0.050 | 11 | Get "Token God Mode" (TGM) holders data |
| api.loyalspark.online | Yes | $0.005 | 11 | Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real va |
| Dokimo Verify API | Yes | $0.010 | 10 | Dokimo Verify API (GET) - scheme demo: recomputes a sample dokimo-merkle-v1 proof to its root. For real caller |
| JAW.id ENS Resolver | Yes | $0.005 | 9 | Resolves an ENS name into its addresses, text records, and content hash, with batch support up to 50 names and |
| ApiToll Multi-Chain EVM Gas | Yes | $0.001 | 9 | Multi-chain EVM gas price oracle for AI agents — 17 chains (Ethereum, Base, Arbitrum, Optimism, Polygon, BNB, |
| api.loyalspark.online | Yes | $0.001 | 9 | Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real va |
| JAW.id ENS Reverse Resolver | Yes | $0.005 | 8 | Resolves an address into its ENS reverse record on a given chain, with batch support up to 50 addresses and pe |
| TenPrint | Yes | $0.001 | 8 | Attested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Eac |
| ChainQuery Bitcoin Intelligence | Yes | $0.005 | 8 | ChainQuery Bitcoin Intelligence: independent Bitcoin-native on-chain data over x402, no API key. Live mempool |
| Latest Block Number | Yes | $0.001 | 8 | The current chain tip (latest block height) via eth_blockNumber, across Base, Ethereum, Optimism, Arbitrum, Po |
| agenttoll.app | Yes | $0.001 | 8 | Base gas price check: the current gas price and latest block number; add ?gasLimit=150000 to also get what a t |
| api2ls.com | Yes | $0.010 | 8 | Get live EVM gas pricing with EIP-1559 breakdown and USD cost estimates |
| api.isocast.dev | Yes | $0.010 | 8 | Latest observed weather signal for one city — a single-signal SPOT snapshot (like a market-data quote). Flat $ |
| TickersFeed | Yes | $0.001 | 8 | Current gas prices on Ethereum mainnet and Base — base fee, priority fee, and EIP-1559 estimates in Gwei as JS |
| Onchain Query API | Yes | $0.001 | 7 | Latest block on any major EVM chain: block number, timestamp, age in seconds, base fee and gas used/limit. The |
| TenPrint | Yes | $0.001 | 7 | Attested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Eac |
| TenPrint | Yes | $0.001 | 7 | Attested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Eac |
| token-risk | Yes | $0.010 | 7 | Deterministic on-chain structural risk report for an ERC-20 token on Base. Keyless x402-native payment — no si |
| ChainAnalyzer | Yes | $0.010 | 7 | Cheap connectivity-check endpoint. Verifies the full x402 settlement path (signature -> CDP facilitator -> on- |
| crypto-hash | Yes | $0.001 | 7 | Compute keccak256/sha256, a 4-byte function selector, an event topic0, or an ENS namehash/labelhash from a str |
| Data Lookup API | Yes | $0.001 | 7 | Latest Henry Hub natural gas spot price (USD/MMBtu), sourced from the U.S. Energy Information Administration. |
| WalletTriage | Yes | $0.010 | 7 | WalletTriage — real-time wallet risk check: dangerous ERC20 approvals cross-referenced with a live exploit thr |
| Oblique Markets | Yes | $0.002 | 7 | Use when a Solana-side agent needs the current network state before sending a transaction, as often as it like |
| Otto AI | Yes | $0.003 | 7 | SEC financial statements for a US-listed company: income statement, balance sheet, cash flow, up to five perio |
| Glassnode | Yes | $0.050 | 7 | Percent Balance on Exchanges — The percentage of supply held on exchange addresses. Data by Glassnode. |
| Otto AI | Yes | $0.002 | 7 | Is anything breaking right now? Composite crypto market-stress digest: a 0-100 score (low/moderate/elevated/hi |
| crypto-hash | Yes | $0.001 | 7 | Compute keccak256/sha256, a 4-byte function selector, an event topic0, or an ENS namehash/labelhash from a str |
| Latest block number | Yes | $0.001 | 7 | The latest block number on Ethereum, Base, Polygon, Arbitrum or Optimism from keyless public nodes with fallba |
| hexscan.xyz | Yes | $0.001 | 7 | Is this token safe to buy? Honeypot check -- can the token be bought but not sold? Fast honeypot detection for |
| x402-trust.com | No | $0.005 | 7 | Trust score (0-100, grade A-F) for any x402 endpoint -- listed in our catalog or not. Unlike uptime-only check |
| Obol | Yes | $0.001 | 7 | Base network block status reconciled after payment across two pre-probed distinct-operator RPC endpoints |
| Oblique Markets | Yes | $0.003 | 7 | Use when an agent asks if a contract is an upgradeable proxy and where its code is. Returns the standard (EIP- |
| x402.asterpay.io | Yes | $0.100 | 7 | Security analysis for any ERC-20 token contract |
| Onchain Query API | Yes | $0.003 | 6 | ENS name resolution in both directions on Ethereum mainnet. Pass name to resolve an ENS name to its address (f |
| Address Risk | Yes | $0.005 | 6 | Screen an EVM wallet or contract address BEFORE paying it. Deterministic, keyless compliance / safety gate: ch |
| InsumerAPI | Yes | $0.050 | 6 | Signed attestation (ECDSA plus a post-quantum ML-DSA-65 companion) of on-chain wallet conditions across 37 cha |
| TenPrint | Yes | $0.001 | 6 | Attested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Eac |
| TenPrint | Yes | $0.001 | 6 | Attested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Eac |
| x402 Multi-Chain RPC | Yes | $0.010 | 6 | Safelisted read-only JSON-RPC proxy across major EVM chains (base, ethereum, polygon, arbitrum, optimism) — et |
| LION Verified Company | Yes | $0.001 | 6 | Keyless multi-chain JSON-RPC reads, Base + Ethereum, from $0.001 (?chain=ethereum) |
| x402 MCP Storefront | Yes | $0.010 | 6 | Should I submit this Base transaction now, and at what fee? One call returns submit-or-wait, max fee per gas a |
| Quartermaster Transaction Status | Yes | $0.002 | 6 | Check the status of a Base transaction: success/reverted/pending, confirmations, gas used, and explorer link — |
| TenPrint | Yes | $0.001 | 6 | Attested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Eac |
| TenPrint | Yes | $0.001 | 6 | Attested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Eac |
| Otto AI | Yes | $0.001 | 6 | Base chain status from Otto's configured RPC: latest, safe, finalized and pending heads with validated mined b |
| Otto AI | Yes | $0.001 | 6 | Token security scanner — is this token safe to buy? Honeypot, rug-pull, and scam detection for any token contr |
| Glassnode | Yes | $0.050 | 6 | Realized Price — Realized Price is Realized Cap divided by current supply. It represents the volume-weighted a |
| x402 trending sellers | Yes | $0.005 | 6 | Momentum across x402 sellers: which sellers are gaining settlements and buyers hour over hour on Base, graded |
| Block info | Yes | $0.001 | 6 | Header-level detail for one block on Ethereum, Base, Polygon, Arbitrum, or Optimism: hash, timestamp (unix + I |
| signals.edge.report | Yes | $0.001 | 6 | PRIMARY: Live gas fee snapshot before submitting an EVM transaction. Returns maxFeePerGas and maxPriorityFeePe |
| lotusnetworkapi.com | Yes | $0.002 | 6 | Read-only Base L2 gas conditions computed directly from chain data: current base fee, recent percentiles, real |
| AgentCheck | Yes | $0.002 | 6 | AgentCheck: independent report on an x402 seller before you pay it. Are its buyers real (repeat wallets on the |
| canary.countersignpay.com | Yes | $0.010 | 6 | Current Base mainnet block height and base fee per gas in wei, read from the chain at request time |
| oraclepost.higgsfield.app | Yes | $0.001 | 6 | Current gas conditions on Base, read live from a public node: gas price, base fee of the latest block, suggest |
| api.dexl.io | Yes | $0.001 | 6 | DexL AI agent economy leaderboard - enriched with on-chain stats |
| SolEnrich | Yes | $0.010 | 5 | Screen every StonkFun reward coin from a 10-minute index. Per row: payout status (PAYING / STALE / NEVER), hou |
| TxGuard | Yes | $0.020 | 5 | Explain and preflight an unsigned Base transaction, EIP-712 typed data, or an EIP-3009 x402 payment authorizat |
| GridPulse | Yes | $0.030 | 5 | US electricity grid — demand, generation mix (renewable/gas/nuclear), and stress signals across 7 regions |
| SolEnrich | Yes | $0.002 | 5 | SOL balance, token holdings, NFT breakdown (collected vs compressed airdrops vs suspected spam, with a per-col |
| TenPrint | Yes | $0.001 | 5 | Attested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Eac |
| NodeFlare | Yes | $0.001 | 5 | Ethereum RPC (chain 1): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no a |
| NodeFlare | Yes | $0.001 | 5 | HyperEVM RPC (chain 999): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no |
| The Tie Stablecoin Intelligence | Yes | $0.010 | 5 | Retrieve a seven-day USD-denominated report of Tether bridge flows on Ethereum. This is a bounded onchain stab |
| x402check-base | Yes | $0.002 | 5 | Read-only Base mainnet data: GET /base/block, /base/tx?hash=, /base/balance?address=, /base/erc20?token=&holde |
| vaults.fyi | Yes | $0.002 | 5 | Retrieves a complete list of supported blockchain networks with their identifiers including network name, chai |
| M2M Sentinel | Yes | $0.005 | 5 | What a Base transaction costs right now, with the RPC provider and trust level behind the number, so a caller |
| Gas Price | Yes | $0.001 | 5 | Current gas conditions on Base. POST {} and receive the legacy gas price and the EIP-1559 base fee of the late |
| Quartermaster Balance Check | Yes | $0.001 | 5 | Check ETH and USDC (or any ERC-20) balance of an address on Base — pre-flight funding checks for payments and |
| Ozmium Agent API | Yes | $0.001 | 5 | Every listed Morpho Blue market on Base: marketId, full MarketParams (loanToken, collateralToken, oracle, irm, |
| Quartermaster Token Prices | Yes | $0.001 | 5 | USD price for major tokens by symbol or any Base ERC-20 by contract address, with source failover. |
| Otto AI | Yes | $0.003 | 5 | SEC Form 4 insider trades for any US-listed company by ticker: who bought and sold (officer/director/10% owner |
| Live EVM Block Number | Yes | $0.001 | 5 | Read the current block height directly from a supported Base, Ethereum, or Arbitrum public JSON-RPC provider. |
| Otto AI | Yes | $0.001 | 5 | Search supported ERC-20 tokens by symbol or address across 6 chains (Base, Ethereum, Arbitrum, Polygon, BSC, A |
| Otto AI | Yes | $0.006 | 5 | Smart-money bundle for any US-listed company by ticker, in ONE call: SEC Form 4 insider activity (purchases vs |
| Otto AI | Yes | $0.001 | 5 | Base gas oracle from Otto's own RPC: current base fee (wei+gwei), legacy gas price, and slow/standard/fast EIP |
| Relaystation Screening | Yes | $0.010 | 5 | $0.01/screen. Screen any name against OFAC, EU, and UK sanctions (UN included) plus Wikidata-derived PEP watch |
| PulseChain Head | Yes | $0.001 | 5 | Latest PulseChain block number and timestamp. |
| NetIntel | Yes | $0.005 | 5 | Native + USDC + custom-token balances for any wallet on Base, Ethereum, or Solana — with USD estimates — strai |
| Glassnode | Yes | $0.050 | 5 | Network Value to Transactions Ratio (NVT) — Network Value to Transactions Ratio (NVT) is market cap divided by |
| Glassnode | Yes | $0.050 | 5 | Balance on Exchanges (Total) — The total amount of coins held on exchange addresses. Data by Glassnode. |
| Gas snapshot (slow / standard / | Yes | $0.005 | 5 | Live gas price snapshot for a chain - slow / standard / fast tiers in gwei, plus the latest base fee. Sampled |
| Glassnode | Yes | $0.050 | 5 | Total Supply Held by Short-Term Holders — The total circulating supply held by short-term holders. Data by Gla |
| Glassnode | Yes | $0.050 | 5 | Accumulation Trend Score — Accumulation Trend Score is an indicator that reflects the relative size of entitie |
| x402 market pulse | Yes | $0.001 | 5 | Live cross-provider x402 market sentiment. topProviders: the top x402 sellers ecosystem-wide, ranked by REAL o |
| api.aidress.ai | Yes | $0.010 | 5 | Search onchain DEX pools and token, by contract address, name, or token symbol. |
| shelf.thirdmade.net | Yes | $0.001 | 5 | Current transaction nonce for any address on Base or Ethereum. Agent tx bots need this before sending transact |
| Pocket Network | Yes | $0.005 | 5 | Read-only access to Kava mainnet, the Cosmos and EVM co-chain: the CometBFT RPC (as JSON-RPC or GET routes suc |
| Pocket Network | Yes | $0.005 | 5 | Read-only JSON-RPC access to Taiko Alethia, the based rollup on Ethereum, served by the Pocket Network decentr |
| Pocket Network | Yes | $0.005 | 5 | Read-only JSON-RPC access to Fraxtal, the OP-Stack L2 by Frax, served by the Pocket Network decentralised supp |
| Pocket Network | Yes | $0.005 | 5 | Pre-sign EVM transaction simulation: an eth_call with state overrides previewing the revert reason and asset d |
| Pocket Network | Yes | $0.005 | 5 | Read-only JSON-RPC access to zkSync Era, the ZK rollup on Ethereum, served by the Pocket Network decentralised |
| Pocket Network | Yes | $0.005 | 5 | Read-only JSON-RPC access to NEAR Protocol mainnet, served by the Pocket Network decentralised supplier set. P |
| MACH Base | Yes | $0.005 | 5 | Get the current Base mainnet block number (latest chain height) for an autonomous agent. |
| Pocket Network | Yes | $0.005 | 5 | Read-only JSON-RPC access to Gnosis Chain mainnet, served by the Pocket Network decentralised supplier set. Pa |
| presign-guard | Yes | — | 5 | Is this token safe to buy, or a honeypot or rug pull? Checks a Solana or EVM token before you buy, hold or acc |
| Pocket Network | Yes | $0.005 | 5 | Read-only access to Juno mainnet, the CosmWasm smart-contract hub: the CometBFT RPC (as JSON-RPC or GET routes |
| Pocket Network | Yes | $0.005 | 5 | ENS and reverse name resolution across EVM chains: name and address pairs with resolution proofs. POST /v1/nam |
| Pocket Network | Yes | $0.005 | 5 | Read-only JSON-RPC access to Polygon PoS mainnet, served by the Pocket Network decentralised supplier set. Pay |
| Losbeto Market Intelligence | Yes | $0.050 | 5 | Large on-chain USDC/SOL movements watchlist with the wallets involved. Follow smart money flow as it settles. |
| Losbeto Market Intelligence | Yes | $0.012 | 5 | Live commodity prices: gold, silver, WTI, Brent, copper, natural gas (?symbol=GOLD) with daily change. Multi-s |
| Pocket Network | Yes | $0.005 | 5 | Read-only JSON-RPC access to Robinhood Chain, an Arbitrum Orbit L2 with ETH gas and ~0.1s blocks, served by th |
| store.advice-sky.net | Yes | $0.010 | 5 | Advice Sky.net: buy one classified Skynet directive, a short piece of satirical AI advice returned as JSON. Ea |
| Pocket Network | Yes | $0.005 | 5 | Read-only JSON-RPC access to Sui mainnet, served by the Pocket Network decentralised supplier set. Pay per req |
| Pocket Network | Yes | $0.005 | 5 | Read-only JSON-RPC access to Celo mainnet, now an OP-Stack L2, served by the Pocket Network decentralised supp |
| Pocket Network | Yes | $0.005 | 5 | Read-only JSON-RPC access to Ethereum mainnet, served by the Pocket Network decentralised supplier set. Pay pe |
| Pocket Network | Yes | $0.005 | 5 | Read-only access to Pocket Network mainnet (Shannon), the protocol this portal relays through: the CometBFT RP |
| Vextorium | Yes | $0.004 | 5 | Official tokenized versions of a US stock or ETF on Solana (xStocks by Backed and Ondo Global Markets): verifi |
| keyring-agent.blockchhub.link | Yes | $0.050 | 5 | Pay the send-nft execution fee (ERC-721/1155 transfer) |
| USDC to Raw (6 decimals) | Yes | $0.001 | 5 | Convert USDC human amounts into 6-decimal raw units used on-chain. Call when quoting or building USDC transfer |
| agentdata-api.sander-van-aard.workers.dev | Yes | $0.002 | 5 | EURC peg monitor — unique combined signal: the official ECB euro reference rate (USD/EUR) versus the live on-c |
| signals.edge.report | Yes | $0.001 | 5 | Token honeypot / security risk check before buy or approve. Input ERC20 contract + chain. Returns verdict avoi |
| x402-seller-0ay3.onrender.com | Yes | $0.005 | 5 | Current gas price on Base (Ethereum L2), read live via a public RPC endpoint — no API key, no aggregator. No p |
| api.node4all.com | Yes | $0.002 | 5 | Node4All Fortune — deterministic fortune reading derived from the x402 payment authorization nonce. Flagship d |
| x402-gateway-production-1f21.up.railway.app | Yes | $0.001 | 5 | Extract webpage metadata, OpenGraph and JSON-LD for one public URL. Scalar single-URL contract for MCP and aut |
| Credit Balance | Yes | $0.002 | 5 | Check your credit balance. Credits are the unit of account for the tollbooth, escrow, and bounty markets here: |
| Contract ABI | Yes | $0.003 | 4 | Fetch a verified contract's ABI and metadata by address, keylessly, from Sourcify. Returns the ABI plus a summ |
| TraBot Pearl Intel | Yes | $0.040 | 4 | Hero SKU: Pearl Research L1 telemetry (pearld RPC, community nodes, poll history). Free trial: GET /api/a2a/pe |
| Claw-in-a-Box | Yes | $0.010 | 4 | Spend-policy verdict for AI agents: POST a proposed spend, get allow/review/deny with the exact rules that fir |
| NodeFlare | Yes | $0.001 | 4 | Arbitrum One RPC (chain 42161): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in US |
| Ethereum Gas Price Oracle | Yes | $0.010 | 4 | Ethereum gas price oracle. Returns the current Ethereum gas price as an EIP-1559 base fee plus priority-fee es |
| ENS Resolver | Yes | $0.010 | 4 | Look up an ENS name or an Ethereum address and get back the matching one, automatically figuring out which dir |
| NodeFlare | Yes | $0.001 | 4 | Robinhood Chain RPC (chain 4663): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in |
| NodeFlare | Yes | $0.001 | 4 | Optimism RPC (chain 10): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no |
| NodeFlare | Yes | $0.001 | 4 | Polygon PoS RPC (chain 137): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, |
| NodeFlare | Yes | $0.001 | 4 | BNB Chain RPC (chain 56): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no |
| NodeFlare | Yes | $0.001 | 4 | XLayer RPC (chain 196): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no a |
| Anyway Possible Base Balance | Yes | $0.001 | 4 | Live Base wallet balance for AI agents. Returns native ETH and Circle USDC balances, atomic values, block heig |
| IXS | Yes | $0.001 | 4 | IXS Real world asset vaults — 6% yields, BlackRock exposure, tokenized on-chain |
| NodeFlare | Yes | $0.001 | 4 | Unichain RPC (chain 130): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no |
| FortiSwap | Yes | $0.001 | 4 | Best swap route on X1 across XDEX and Degen pools for exact-in or exact-out, with live-verified reserves, pric |
| Mortgage & Loan Amortization Cal | Yes | $0.010 | 4 | Give this API a loan amount, an interest rate, and a repayment term, and it returns the exact monthly payment |
| EVM & Solana Utility Tools | Yes | $0.005 | 4 | Solana Program Derived Address (PDA) calculator — derive the canonical off-curve address and bump from bounded |
| Multichain RPC/tx | Yes | $0.002 | 4 | Transaction details and receipt by hash: status, block, from, to, value, gas used, effective gas price and dec |
| Multichain RPC/balance | Yes | $0.002 | 4 | Native coin and ERC-20 token balance for any wallet address on Base, Polygon, Arbitrum, Optimism or Ethereum. |
| Quartermaster Address Type | Yes | $0.001 | 4 | Determine whether a Base address is a contract or an externally-owned account. |
| Phoenix Zero Safe Check | Yes | $0.010 | 4 | Boolean pre-flight check for L2 transaction safety across all 12 chains (?chain= param, default: base). Return |
| Smart Contract Security Check | Yes | $0.010 | 4 | Smart contract security check before you approve or pay an address: reads the bytecode, behind proxies too, fo |
| LION Verified Company | Yes | $0.005 | 4 | Multi-source on-chain + market intelligence (dex, risk, yields, wallet, holders, rpc) |
| NodeFlare | Yes | $0.003 | 4 | ERC-20 token risk check: ownership, holder concentration, and a transfer/honeypot simulation, with a risk scor |
| sendcheck | Yes | $0.010 | 4 | SendCheck: pre-send verification of any EVM address on one chain (EIP-55 checksum, wallet-vs-contract, outgoin |
| TenPrint | Yes | $0.001 | 4 | Attested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Eac |
| EVM Block | Yes | $0.003 | 4 | Fetch a block header by number, hash, or "latest" on Ethereum, Base, Arbitrum, Optimism, Polygon, or BNB Chain |
| LION Verified Company | Yes | $0.001 | 4 | Keyless multi-chain JSON-RPC reads, Base + Ethereum, from $0.001 (?chain=ethereum) |
| 402-preflight | Yes | $0.010 | 4 | x402-preflight: confirm your wallet can transact, and see your balance, in one certified call. Pay $0.01 USDC |
| Automaton Colony | Yes | $0.005 | 4 | The cheapest way to test an x402 payment loop end to end. Returns the current Base block number and its hash. |
| ENS Resolver | Yes | $0.005 | 4 | Resolve ENS in either direction on Ethereum: an ENS name (vitalik.eth) → its 0x address, or a 0x address → its |
| AgentFeed | Yes | $0.020 | 4 | Tokenized stock peg deviation on Solana: the on-chain DEX price of a tokenized US equity versus the underlying |
| Otto AI | Yes | $0.003 | 4 | Day movers for tokenized US stocks and ETFs on TWO rails in one call: Robinhood Chain (chainId 4663) and Base |
| Macaroon Network | Yes | $0.001 | 4 | Current block number and gas price for Base and Polygon mainnet, fetched live via RPC on every call. Unlike th |
| FiatDock | Yes | $0.001 | 4 | Base latest block number + timestamp — a chain-head freshness probe. Pay-per-call via x402. |
| Agent Transaction Preflight | Yes | $0.005 | 4 | Run a transaction simulation and EVM safety preflight with gas, destination proxy evidence, and optional token |
| Base USDC lending APY | Yes | $0.010 | 4 | Base USDC lending APY. Live USDC lending yield on Base, read on-chain: Aave V3 USDC vs Morpho Gauntlet USDC Pr |
| Glassnode | Yes | $0.050 | 4 | Total Supply Held by Long-Term Holders — The total amount of circulating supply held by long-term holders. Dat |
| Glassnode | Yes | $0.050 | 4 | Long-Term Holder Net Position Change — Long-Term Holder Net Position Change is the monthly net position change |
| Base Block | Yes | $0.002 | 4 | 🆕 One block on Base — height, hash, parent, timestamp and age in seconds, transaction count, gas used against |
| Solana token holder | Yes | $0.005 | 4 | Top-holder concentration for a Solana token mint: the 20 largest holders with token account, owner wallet, bal |
| api.blockscout.com | Yes | $0.002 | 4 | Access to api/v2/addresses/:address_hash. Retrieve detailed information about a specific address or contract |
| Glassnode | Yes | $0.050 | 4 | Number of Addresses with Balance ≥ 1k — The number of unique addresses holding at least 1k coins. Data by Glas |
| Token Rug Check Verdict | Yes | $0.009 | 4 | Instant buy-or-avoid verdict for a token, with a shareable result page and preview card (share_url): send a co |
| Pocket Network | Yes | $0.005 | 4 | Read-only JSON-RPC access to Fantom Opera mainnet, served by the Pocket Network decentralised supplier set. Pa |
| Pocket Network | Yes | $0.005 | 4 | Read-only JSON-RPC access to Berachain mainnet, served by the Pocket Network decentralised supplier set. Pay p |
| Pocket Network | Yes | $0.005 | 4 | Read-only JSON-RPC access to the Hyperliquid HyperEVM, served by the Pocket Network decentralised supplier set |
| base-chain-gas-oracle | Yes | $0.001 | 4 | Current Base network gas price, read live from a public Base RPC node (eth_gasPrice) and returned in both wei |
| Pocket Network | Yes | $0.005 | 4 | Read-only JSON-RPC access to the Oasys Hub-Layer mainnet, served by the Pocket Network decentralised supplier |
| wallet-balance-checker | Yes | $0.001 | 4 | Read native coin and USDC balances for any EVM wallet on Base, Ethereum, Polygon, Arbitrum or Optimism, with a |
| Wallet Balance | Yes | $0.002 | 4 | Get ETH and USDC balance for a wallet address |
| d21 gas_price | Yes | $0.002 | 4 | Gas Price ($0.002): current Base gas market read live from Base's own public JSON-RPC, not a hosted gas-oracle |
| Industrial Platform | Yes | $0.001 | 4 | List a wallet's native ETH and USDC balances with human-readable amounts. Canonical wallet-balance contract fo |
| Wallet Balance | Yes | $0.002 | 4 | Wallet balance on Base, Ethereum or Solana: give an address, get its ETH or SOL, USDC, USDT and any tokens you |
| LION Verified Company | Yes | $0.001 | 4 | Keyless multi-chain JSON-RPC reads, Base + Ethereum, from $0.001 (?chain=ethereum) |
| Gas Price | Yes | $0.001 | 4 | Get current gas price information (base fee, priority fee suggestion, gas price) |
| Gas Price | Yes | $0.002 | 4 | Gas price: live gas fees for Ethereum, Base, Arbitrum, Polygon and Solana in one call. Use before sending a tr |
| Pocket Network | Yes | $0.005 | 4 | Read-only JSON-RPC access to Ink, the OP-Stack L2 by Kraken, served by the Pocket Network decentralised suppli |
| Tanod chainpeek | Yes | $0.002 | 4 | chainpeek (Tanod) ENS resolution: forward-resolve a name, or reverse-resolve an address with forward verificat |
| 3Route | No | $0.000 | 4 | Price a swap without building a transaction. Returns expected input, output, and gas without constructing an e |
| Pocket Network | Yes | $0.005 | 4 | Read-only JSON-RPC access to Linea, the ZK rollup by Consensys, served by the Pocket Network decentralised sup |
| Pocket Network | Yes | $0.005 | 4 | Read-only JSON-RPC access to BNB Smart Chain mainnet, served by the Pocket Network decentralised supplier set. |
| Pocket Network | Yes | $0.005 | 4 | Multi-chain gas price oracle: current base fee plus priority-fee tiers for EVM chains. POST /v1/gas with {chai |
| Verdix Address Risk (standard) | Yes | $0.100 | 4 | Verdix standard ($0.10): call before larger or repeated payments to an EVM address on Base, when an address-ag |
| Pocket Network | Yes | $0.005 | 4 | Read-only JSON-RPC access to Fuse mainnet, served by the Pocket Network decentralised supplier set. Pay per re |
| Pocket Network | Yes | $0.005 | 4 | Read-only JSON-RPC access to Arbitrum One, the Nitro optimistic rollup on Ethereum, served by the Pocket Netwo |
| Pyfile x402 API | Yes | $0.003 | 4 | EVM network info: chain id, latest block number and gas price for base|polygon|arbitrum|optimism. ?chain=base |
| Pocket Network | Yes | $0.005 | 4 | Read-only access to Sei mainnet (pacific-1) on every surface a Sei node exposes: the EVM JSON-RPC methods, the |
| Pocket Network | Yes | $0.005 | 4 | Read-only JSON-RPC access to the XRPL EVM sidechain mainnet, served by the Pocket Network decentralised suppli |
| Pocket Network | Yes | $0.005 | 4 | Read-only JSON-RPC access to Unichain, the OP-Stack L2 by Uniswap, served by the Pocket Network decentralised |
| Pocket Network | Yes | $0.005 | 4 | Read-only JSON-RPC access to Moonbeam, the EVM parachain on Polkadot, served by the Pocket Network decentralis |
| Pocket Network | Yes | $0.005 | 4 | Read-only access to Osmosis mainnet, the Cosmos liquidity hub: the CometBFT RPC (as JSON-RPC or GET routes suc |
| Pocket Network | Yes | $0.005 | 4 | Read-only JSON-RPC access to Sonic mainnet, the Fantom successor chain, served by the Pocket Network decentral |
| Pocket Network | Yes | $0.005 | 4 | Read-only JSON-RPC access to Blast mainnet L2, served by the Pocket Network decentralised supplier set. Pay pe |
| api.remix.live | Yes | $0.050 | 4 | AI-powered smart contract audit checklist matching - analyzes contract code and returns relevant security chec |
| Pocket Network | Yes | $0.005 | 4 | Read-only JSON-RPC access to the Avalanche C-Chain, served by the Pocket Network decentralised supplier set. P |
| Pocket Network | Yes | $0.005 | 4 | Read-only JSON-RPC access to opBNB, the OP-Stack L2 on BNB Chain, served by the Pocket Network decentralised s |
| Pocket Network | Yes | $0.005 | 4 | Decode the event logs of an Ethereum transaction: ERC-20 Transfer events come back typed (from, to, raw value, |
| Automaton Colony | Yes | $0.005 | 4 | The cheapest way to test an x402 payment loop end to end. Returns the current Base block number and its hash. |
| Pocket Network | Yes | $0.005 | 4 | Read-only access to TRON mainnet on two surfaces: the Ethereum-compatible JSON-RPC methods (POST the JSON-RPC |
| Pocket Network | Yes | $0.005 | 4 | Read-only JSON-RPC access to Kaia mainnet, the Klaytn and Finschia merged chain, served by the Pocket Network |
| Pocket Network | Yes | $0.005 | 4 | Read-only JSON-RPC access to Base mainnet, the Optimism-stack L2 by Coinbase, served by the Pocket Network dec |
| Agent Mercantile | Yes | $0.005 | 4 | Return bounded factual eth_estimateGas units and recent eth_feeHistory execution-fee evidence for one unsigned |
| Pocket Network | Yes | $0.005 | 4 | Read-only JSON-RPC access to OP Mainnet, the Optimism L2, served by the Pocket Network decentralised supplier |
| Pocket Network | Yes | $0.005 | 4 | Read-only JSON-RPC access to Mantle mainnet L2, served by the Pocket Network decentralised supplier set. Pay p |
| Pocket Network | Yes | $0.005 | 4 | Read-only JSON-RPC access to Scroll, the zkEVM rollup on Ethereum, served by the Pocket Network decentralised |
| n0brains | Yes | $0.005 | 4 | Real-time crypto trading signals for BTC, ETH, SOL and 400+ coins — classified by type (whale flows, funding, |
| api.remix.live | Yes | $0.250 | 4 | Complete AI-powered smart contract security audit - analyzes code against checklist and provides detailed find |
| alest.io | Yes | $0.010 | 4 | On-chain state of ALST, the alest.io token for a tokenized Tesla Cybercab robotaxi (real-world asset). Name, s |
| Aayat AI | Yes | $0.010 | 4 | Token holder concentration now and over time: holder count, top-1 and top-10 share, the top 10 that can actual |
| Market Intelligence API | Yes | $0.010 | 4 | DeFi lending rates vs Treasury yields: USDC supply and borrow APR on Aave v3 across five chains, read on chain |
| Market Intelligence API | Yes | $0.010 | 4 | SEC Form 144 insider sale notices of a US stock: proposed sales by officers, directors and 10% holders over da |
| Market Intelligence API | Yes | $0.001 | 4 | Gas price and transaction fees per chain ($0.001): base fee, priority fee percentiles and the USD cost of a tr |
| SolEnrich | Yes | $0.020 | 4 | Watchlist alerts for up to 25 reward coins since `since`: payout_landed, payout_stale (no payout for 24h+), st |
| sendcheck | Yes | $0.010 | 4 | SendCheck: pre-send verification of any EVM address on one chain (EIP-55 checksum, wallet-vs-contract, outgoin |
| Market Intelligence API | Yes | $0.010 | 4 | Tokenized treasuries and RWA flows: supply and 24h/7d net issuance of tokenized treasury funds (BlackRock BUID |
| 3Route | No | $0.000 | 4 | Price a swap without building a transaction. Returns expected input, output, and gas for one amount without co |
| NFT holdings for an address | Yes | $0.002 | 4 | Return the NFTs owned by a wallet address on a given network. Each row carries the collection name, contract a |
| New B20 tokens | Yes | $0.005 | 4 | Recently deployed B20 tokens on Base: scans the factory's B20Created logs over a block window, locates each ne |
| US federal awards search | Yes | $0.005 | 4 | Search US federal contract awards via USAspending.gov by keyword: recipient, award amount, awarding agency, an |
| Multi-chain EVM RPC (read-only) | Yes | $0.004 | 4 | Read-only JSON-RPC against Ethereum, Base, Polygon, Arbitrum, or Optimism with built-in multi-endpoint failove |
| Calldata decoder (ABI or | Yes | $0.003 | 4 | Decode EVM smart-contract transaction calldata into the function name and typed parameters. Supply an ABI (fro |
| Read-only JSON-RPC passthrough | Yes | $0.002 | 4 | Escape hatch for power users: forward an arbitrary read-only JSON-RPC method to the chain. Method must be in o |
| ERC-20 allowance (owner to | Yes | $0.002 | 4 | How much of an ERC-20 token a spender contract is approved to move from an owner wallet - the approval check a |
| Onchain SQL (query Base with | Yes | $0.020 | 4 | Run read-only SQL against Coinbase's indexed, DECODED blockchain data - base.events (decoded logs with paramet |
| Tokenized assets list | Yes | $0.003 | 4 | Every real-world asset with a tokenized onchain version that CoinGecko tracks: stocks, ETFs and commodities, w |
| ERC-1155 balance | Yes | $0.002 | 4 | How many of one ERC-1155 token id an account holds, read straight from the contract. ERC-1155 is the multi-tok |
| DeFi TVL by chain | Yes | $0.002 | 4 | Blockchains ranked by DeFi total value locked with each chain's share of the total, native token, EVM chain id |
| Gas price | Yes | $0.001 | 4 | Current gas price on Base, Polygon, Arbitrum, Optimism, Ethereum, Monad, Celo, Avalanche, Sei, or Robinhood Ch |
| Pending block | Yes | $0.001 | 4 | The chain's pending block: how many transactions are queued for the next block, the base fee they will pay, an |
| Vextorium | Yes | $0.003 | 4 | Live gas price on Base or Ethereum (gwei, base fee, priority fee) plus estimated USD cost of an ETH transfer, |
| api.slamai.dev | Yes | — | 4 | Returns trending tokens across the entire blockchain for a specified activity window and optional category. Th |
| Vextorium | Yes | $0.004 | 4 | Address inspector for EVM chains: wallet (EOA), EIP-7702 delegated wallet or contract; bytecode size, ERC-20/7 |
| Vextorium | Yes | $0.004 | 4 | ENS profile: resolved address plus public text records (avatar, description, url, twitter, github, telegram, d |
| Vextorium | Yes | $0.004 | 4 | Check any x402 endpoint before paying, without paying: price in USD per network, asset (flags anything that is |
| Vextorium | Yes | $0.003 | 4 | Latest block on an EVM chain: number, hash, time, age in seconds, transaction count, gas used % and base fee. |
| Vextorium | Yes | $0.003 | 4 | ERC-20 allowance lookup: how much a spender can move from an owner's balance, flagging unlimited approvals. |
| Vextorium | Yes | $0.003 | 4 | Solana account inspector: whether it exists, type (wallet, token account, mint, program, program data), SOL ba |
| Vextorium | Yes | $0.003 | 4 | Solana transaction status by signature: confirmed / failed / processing, slot, time, fee in SOL, signers, prog |
| Vextorium | Yes | $0.003 | 4 | Resolve a Solana Name Service .sol domain to its owner wallet, read directly on-chain (NFT-tokenized domains r |
| agent-contract-proof.mattskowronis.workers.dev | Yes | $0.010 | 4 | Compare an agent's advertised contract with its live x402 challenge and return deterministic proof. |
| revert.wtf | Yes | $0.001 | 4 | Paid hosted deterministic explanation for EVM/RPC/wallet/UserOperation/x402 errors. Send raw pasted error JSON |
| www.bitcoind.app | Yes | $0.001 | 4 | Complete list of all Bitcoin Core RPC methods (summaries). One call replaces up to 142 individual lookups. Ret |
| FiatDock Marketplace | Yes | $0.005 | 4 | Pay-per-call: Signal Sprint Base USDC Balance |
| x402scan | Yes | $0.010 | 4 | Aggregate stats for a wallet (tx count, total amount, unique recipients) |
| x402-gateway-production-1f21.up.railway.app | Yes | $0.001 | 4 | Gas price in the Roundhouse canonical contract: CAIP-2 chain to current base_fee_gwei and as_of. Recurring fee |
| x402stock.xyz | Yes | $0.010 | 4 | US net liquidity (Fed balance sheet minus Treasury General Account minus reverse repo) as a 0–100 percentile w |
| x402stock.xyz | Yes | $0.020 | 4 | Federal contract and grant awards to a US company, from USAspending.gov. Pass `?recipient=Lockheed Martin` (re |
| x402.agentfund.net | Yes | $0.001 | 4 | Multi-chain Gas Price |
| APEX Transaction explainer | Yes | $0.003 | 4 | Explain a transaction in plain English (Base, Arc): the function, every token moved, gas in USD. What did this |
| api.myceliasignal.com | Yes | $0.010 | 4 | Ethereum mainnet gas price — current base fee and priority fee for ETH transaction cost estimation — Ed25519 s |
| api.myceliasignal.com | Yes | $0.010 | 4 | Arbitrum L2 gas price — current transaction fee for Arbitrum One network — Ed25519 signed attestation |
| HALOWERK marktwerk | Yes | $0.002 | 4 | Reads the public perpetual data of Binance USDⓈ-M Futures, Bybit linear and OKX swaps for one BASE/QUOTE pair. |
| proxy.suverse.io | Yes | $0.050 | 4 | Ethereum mainnet gas prices (safe / standard / fast tier) real-time from Etherscan V2. AI agent MEV bot, tradi |
| machinemint-native-x402-production.up.railway.app | Yes | $0.010 | 4 | Check an unsigned Base mainnet transaction before signing or broadcasting. Simulates with eth_call, estimates |
| Decimals of an ERC20 token | Yes | $0.003 | 4 | Decimals of an ERC20 token — Genesis402 / UnyKorn Operator Network |
| Current Bitcoin block height | Yes | $0.003 | 4 | Current Bitcoin block height — Genesis402 / UnyKorn Operator Network |
| gateway.spraay.app | Yes | $0.005 | 4 | Gas prices on Base. |
| Signature Decoder | Yes | $0.002 | 3 | Decode an off-chain SIGNATURE REQUEST before you sign it: EIP-712 typed data (eth_signTypedData_v4) or a plain |
| DeFi Safety Oracle | Yes | $0.020 | 3 | Contract-level risk scan for any EVM token: is the source verified, is it an upgradeable proxy and who is its |
| x402-gateway | Yes | $0.002 | 3 | Wallet Portfolio: Get a complete wallet portfolio for an Ethereum address: native ETH balance, ERC-20 balances |
| x402-gateway | Yes | $0.002 | 3 | Cross-Chain Balance Checker: Aggregate native balance and token/NFT counts for an address across eth, arb, bas |
| VAPE | Yes | $0.010 | 3 | VAPE exploit_check — Contract verification + proxy-swap surface check. Real on-chain/market data, no simulatio |
| VAPE | Yes | $0.020 | 3 | VAPE token_safety_check — Full token safety + liquidity scan with a weighted 0-100 risk score. Real on-chain/m |
| SolEnrich | Yes | $0.004 | 3 | Adds top 20 holders, HHI concentration index, volatility metrics, slippage estimates to light token analysis. |
| SolEnrich | Yes | $0.020 | 3 | What to launch on StonkFun, and against what. Per quote asset: coins, launches (24h / 7d), share trading today |
| SolEnrich | Yes | $0.008 | 3 | Top holders with accumulation/distribution tracking, balance context, supply percentage. |
| VAPE | Yes | $0.020 | 3 | VAPE liquidity_check — Liquidity depth + top pair DEX for a Base token. Real on-chain/market data, no simulati |
| SolEnrich | Yes | $0.008 | 3 | Protocol TVL, yield pools, on-chain activity metrics, health signals, and automated_activity_pct (% of top sig |
| SolEnrich | Yes | $0.006 | 3 | Daily portfolio snapshots (value, SOL balance, token count, risk score) for a wallet over 7/14/30 days, plus s |
| SolEnrich | Yes | $0.005 | 3 | Adds DeFi positions, connected wallets, enhanced transaction history, automated-activity behavioral signals, a |
| VAPE | Yes | $0.010 | 3 | VAPE treasury — A protocol's on-chain treasury composition — total USD, own-token USD, and the own-token share |
| SolEnrich | Yes | $0.030 | 3 | The trenches suite pointed at ONE token: pass a mint, get a HIGH_CONFLUENCE / MODERATE / SINGLE_SIGNAL / NO_SI |
| DexL Agents | Yes | $0.001 | 3 | Make any read-only JSON-RPC call on 28 EVM chains - eth_call, eth_blockNumber, eth_getLogs, eth_getBalance and |
| FortiSwap | Yes | $0.010 | 3 | Daily on-chain FortiBlox Router swap volume on X1 (UTC buckets, USD totals, fee totals, distinct users per day |
| Hyperliquid Account Intelligence | Yes | $0.010 | 3 | A Hyperliquid account's perpetuals state — open positions, margin summary and withdrawable balance, for any 0x |
| DexL Agents | Yes | $0.001 | 3 | Read any wallet balance on 28 EVM chains: native coin (ETH, BNB, MATIC, AVAX) or any ERC-20 token including US |
| SolEnrich | Yes | $0.040 | 3 | Finds fresh Solana memecoins whose on-chain buying is accelerating — the signature of a run in progress, not t |
| SolEnrich | Yes | $0.012 | 3 | Live perp positions for a Hyperliquid EVM (0x) address, read from Hyperliquid's public on-chain state. Per-pos |
| WhaleAlert | Yes | $0.050 | 3 | Large on-chain transaction monitor — whale movements on Base, Ethereum, and Robinhood Chain with AI pattern an |
| ChainQuery Bitcoin Intelligence | Yes | $0.010 | 3 | ChainQuery Bitcoin Intelligence: independent Bitcoin-native on-chain data over x402, no API key. Coin Days Des |
| base-rpc-health-map | Yes | $0.010 | 3 | Which Base public RPCs serve a stale chain tip. Every 30s we ask all major public RPCs for eth_blockNumber in |
| NodeFlare | Yes | $0.001 | 3 | Sonic RPC (chain 146): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no ac |
| NodeFlare | Yes | $0.001 | 3 | Zircuit RPC (chain 48900): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, n |
| NodeFlare | Yes | $0.001 | 3 | Avalanche C-Chain RPC (chain 43114): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request |
| x402 ENS Resolver | Yes | $0.010 | 3 | Resolve an ENS name to an address, or reverse-resolve an address to its primary ENS name |
| Data Lookup API | Yes | $0.001 | 3 | This seller's own recent USDC settlement history on Base mainnet — every payment received, with transaction ha |
| DefiLlama DeFi TVL & Yields | Yes | $0.005 | 3 | Block by timestamp from DefiLlama — the closest block number to a unix timestamp on a given chain. |
| SEC Filings & Financials | Yes | $0.010 | 3 | SEC company financials by ticker — normalized annual and quarterly revenue, income, balance-sheet, cash-flow a |
| ChainScout | Yes | $0.050 | 3 | On-chain intelligence — whale transfers trending tokens DeFi TVL on Base and Ethereum |
| LUMI Verifier | Yes | $0.010 | 3 | x402 Endpoint Payment Check. Check an x402 endpoint's 402 payment-required body before you rely on it. Reports |
| LUMI Verifier | Yes | $0.010 | 3 | Check an ACP offering's published contract before you buy. Detects listings that declare no JSON deliverable s |
| Multichain RPC/gas | Yes | $0.001 | 3 | Live gas prices: EIP-1559 base fee plus low/medium/high priority tiers in gwei, and the estimated cost of a si |
| x402 Chain Tools | Yes | $0.002 | 3 | Lookup Base transaction by hash on Base Mainnet. Return sender, recipient, value, nonce, block, gas fields, an |
| Cyre | Yes | $0.010 | 3 | Cyre Intent Preflight — before you sign a Solana tx, grade the from/to wallets, mint authorities, and program |
| Data Lookup API | Yes | $0.012 | 3 | Check a wallet's live balance on Base mainnet: native ETH (e.g. to confirm it has enough for gas) plus an opti |
| penny402 | Yes | $0.003 | 3 | An affectionate roast of the wallet that paid, written from its PUBLIC Base state read at request time: the US |
| Quartermaster Wallet Report | Yes | $0.040 | 3 | One-call Base wallet profile: USDC balance, recent USDC transfers in/out, EOA-vs-contract type, and x402 Bazaa |
| 402rates.com | Yes | $0.010 | 3 | Measured USDC transfer costs on Base, Polygon, Arbitrum, Ethereum and XDC: simulated gas, current token prices |
| AiSpace Venice | Yes | $0.010 | 3 | Pay-per-call JSON-RPC proxy to 20+ EVM and Starknet networks on Venice, paid per request in USDC on Base via x |
| Tereno Base Chain Snapshot | Yes | $0.002 | 3 | What is the current state of Base? Latest block number, timestamp, base fee and suggested gas fees in a single |
| BizIntel API | Yes | $0.010 | 3 | Fetches current Ethereum Mainnet gas price from the public DoH RPC pipeline. |
| sendcheck | Yes | $0.010 | 3 | SendCheck: pre-send verification of any EVM address on one chain (EIP-55 checksum, wallet-vs-contract, outgoin |
| what-am-i-signing | Yes | $0.005 | 3 | Decode an EVM signature request (EIP-712 typed data, Permit/Permit2, or ERC-20 approve calldata) into a struct |
| Toolsmith | Yes | $0.030 | 3 | Can chemical A be safely mixed or stored with chemical B? Pass two CAS numbers or names. Returns a verdict (in |
| x402 Chain Tools | Yes | $0.001 | 3 | Check the latest or current Base Mainnet block number. Use this to get the live Base block height. |
| TenPrint | Yes | $0.001 | 3 | Attested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Eac |
| Quartermaster Token Info | Yes | $0.001 | 3 | ERC-20 name, symbol, decimals, and total supply for a token on Base. |
| Cyre | Yes | $0.005 | 3 | Cyre address profile — explainable on-chain risk signals. Patterns, not verdicts. Agent guide: https://cyre.de |
| ArbiPulse | Yes | $0.020 | 3 | Itemized fee breakdown and net P&L for any arbitrage trade — fees, slippage and gas. For arbitrage and trading |
| token-risk | Yes | $0.010 | 3 | Deterministic on-chain structural-safety report for a Base address: contract detection, verification status, p |
| Orcpin | Yes | $0.020 | 3 | On-chain wallet snapshot on Base: native ETH and tracked ERC-20 token balances (USDC, WETH) plus account flags |
| OnchainPulse | Yes | $0.050 | 3 | Plain-English decoder for onchain finance, blockchain and regulatory terminology. For research and financial a |
| LION Verified Company | Yes | $0.005 | 3 | LION Research Bundle — one-call enrichment + tx context |
| fee_estimate | Yes | $0.010 | 3 | Current network fee conditions -- gas price (ETH/Base/Arbitrum/Optimism/Polygon), sat/vB fee tiers (Bitcoin), |
| chainquery Bitcoin RPC | Yes | $0.005 | 3 | chainquery Bitcoin RPC: pay-per-call Bitcoin Core over x402, no API key. Currently banned peer IPs and subnets |
| chainquery Bitcoin RPC | Yes | $0.005 | 3 | chainquery Bitcoin RPC: pay-per-call Bitcoin Core over x402, no API key. Node uptime in seconds from chainquer |
| DopamineDesk AI Marketplace | Yes | $0.005 | 3 | Run a read-only transaction simulation with eth_call and eth_estimateGas against a supported public EVM RPC wi |
| whaletape.xyz | Yes | $0.010 | 3 | Live survival telemetry of an agent that pays for its own thinking: balance, burn rate, runway in days, cost p |
| API Acre | Yes | $0.001 | 3 | Get and inspect one historical Base mainnet block by exact number or a latest, safe, or finalized tag, returni |
| Oblique Markets | Yes | $0.010 | 3 | Use when an agent needs b402 preflight. Returns Validate BNB/B402 payment intent freshness, recipient, amount, |
| FiatDock | Yes | $0.004 | 3 | Token safety & rug check — on-chain honeypot/tax/owner-privilege/holder-concentration risk verdict for any EVM |
| Relaystation Route | Yes | $0.010 | 3 | $0.01/route. Calculate a route between two points — distance, duration, and geometry back as JSON. 155 tools, |
| quartermaster.surewhynot.app | Yes | $0.003 | 3 | Decode a Base transaction's calldata into a human-readable function call and arguments — ERC-20 transfer/appro |
| Tools API | Yes | $0.010 | 3 | Lightweight utility API for agents and operators: DNS lookups, RDAP/WHOIS domain data, HTTP probes, page metad |
| FiatDock | Yes | $0.001 | 3 | USDC balance of any address on Base — the x402 settlement asset (atomic + USDC). Pay-per-call via x402. An emp |
| Bounded EVM Event Logs | Yes | $0.003 | 3 | Read contract event logs across a strictly bounded block range with an optional topic0 filter and capped respo |
| FiatDock | Yes | $0.001 | 3 | Base gas price — current wei/gwei. Cheap read-only chain primitive. Pay-per-call via x402. |
| Otto AI | Yes | $0.001 | 3 | Best-available stablecoin yield deposit options: the highest-APY lending venue per stablecoin (USDC / USDT / D |
| Otto AI | Yes | $0.010 | 3 | Decode and explain any EVM blockchain transaction across 11 chains (Base, Ethereum, Arbitrum, Optimism, Avalan |
| Oblique Markets | Yes | $0.030 | 3 | Use when an agent wants to know what a wallet has been doing before paying it, accepting payment from it or fo |
| contract-guard | Yes | $0.005 | 3 | Risk check for an EVM contract/token address |
| NetIntel | Yes | $0.002 | 3 | Live gas prices across Base, Ethereum, Arbitrum, Optimism, and Polygon with USD cost estimates for a transfer, |
| Gas Oracle | Yes | $0.010 | 3 | Returns current Base gas fees (baseFee, maxPriorityFee) and three tiered suggestions (slow, normal, fast) in G |
| base-gas-x402 | Yes | $0.020 | 3 | Cheapest hours of day to transact on Base, from collected gas history: hourly averages in UTC ranked cheapest |
| Nansen | Yes | $0.010 | 3 | Get Perpetual Contract Screening Data |
| Transaction Status Lookup | Yes | $0.002 | 3 | Look up a transaction on Base, Ethereum or IOTA EVM mainnet: status (success, failed, pending or not_found), b |
| ERC20 Token Info | Yes | $0.004 | 3 | Read an ERC20 token contract on Base, Ethereum or IOTA EVM mainnet: name, symbol, decimals, total supply, and |
| Wallet Balance Lookup | Yes | $0.002 | 3 | Read the ETH and USDC balance of any address on Base mainnet (chain 8453) straight from the chain, plus transa |
| Multichain RPC/tx | Yes | $0.002 | 3 | Transaction details and receipt by hash: status, block, from, to, value, gas used, effective gas price and dec |
| oraclepost.higgsfield.app | Yes | $0.001 | 3 | The chain clock on Base: latest block number and its timestamp, plus the node's current time and the lag betwe |
| Token Info | Yes | $0.002 | 3 | Token info: give an ERC-20 or SPL token address on Base, Ethereum or Solana, get its name, symbol, decimals an |
| base-chain-balance | Yes | $0.001 | 3 | Native ETH balance for one Base network address, read live from a public Base RPC node (eth_getBalance) and re |
| Transaction Lookup | Yes | $0.002 | 3 | Transaction lookup on Base, Ethereum or Solana: give a transaction hash or signature, get its status, sender, |
| ReceiptSure | Yes | $0.020 | 3 | Check whether a mined Base transaction did what your agent meant it to do. Fetches the receipt, decodes its ER |
| ChainState | Yes | $0.020 | 3 | Profile a Base address in one call instead of four to six lookups. Returns contract or externally owned plus c |
| DeFi Safety Oracle | Yes | $0.050 | 3 | Who is behind a token: our safety verdict (grade, honeypot), DexScreener market (liquidity, volume, age, pair) |
| DeFi Safety Oracle | Yes | $0.010 | 3 | Is this X (Twitter) account real? Age, followers, following, post count, verification, website and contract ad |
| DeFi Safety Oracle | Yes | $0.020 | 3 | Who is behind a wallet: age, activity, who first funded it, its ENS/Basename and the X account linked on it, e |
| Pocket Network | Yes | $0.005 | 3 | Verified EVM contract source and ABI across 6 chains, with EIP-1967 proxy detection. POST /v1/evm with a contr |
| Losbeto Market Intelligence | Yes | $0.100 | 3 | FLAGSHIP: real-time token launch risk brief — on-chain checks (mint authority, holder concentration), DEX liqu |
| Losbeto Market Intelligence | Yes | $0.050 | 3 | Institutional wallet directory joined with real on-chain holders via Helius, plus the tracking method used, so |
| Singapore ACRA Company Registry | Yes | $0.005 | 3 | Search Singapore entities by name or UEN: ACRA-registered companies, sole proprietorships, LLPs and foreign br |
| European company fundamentals | Yes | $0.005 | 3 | European company fundamentals ($0.005) by LEI, ISIN or name: revenue, operating and net profit, cash flow and |
| Pocket Network | Yes | $0.005 | 3 | Read-only access to Akash Network mainnet, the decentralised compute marketplace: the CometBFT RPC (as JSON-RP |
| Pocket Network | Yes | $0.005 | 3 | Search live federal contract opportunities from SAM.gov: solicitations, set-asides, and deadlines. POST /v1/fe |
| Agent Mercantile | Yes | $0.005 | 3 | Produce a factual snapshot of current x402 payment authority for one unpaid v2 requirement and one public EVM |
| Pocket Network | Yes | $0.005 | 3 | Explains an EVM transaction in plain language: decoded intent, asset movements, approvals, and risk flags. POS |
| TBS Crypto & DeFi API | Yes | $0.001 | 3 | DeFi TVL (total value locked) for AI agents. Query a single protocol by slug (aave, uniswap, lido) for its cur |
| Base Pay-To Address Screen | Yes | $0.005 | 3 | Pay-to / counterparty address screen for Base: exact match against OFAC SDN published digital currency address |
| Horizon Pulse | Yes | $0.010 | 3 | Blockchain gas fees. Use before sending a transaction on Base or Ethereum to choose fees and timing. Call GET |
| Base Token Facts | Yes | $0.005 | 3 | Get on-chain facts about a Base token contract |
| Base Token Sell Check | Yes | $0.005 | 3 | Base honeypot and tax check for trading agents: simulates a small buy and an immediate sell of the token on it |
| Automaton Colony | Yes | $0.010 | 3 | What can the owner of this Base contract do? Returns the admin selectors found and how many were not scanned. |
| Automaton Colony | Yes | $0.010 | 3 | Is the source of this Base contract verified? Returns the verification status and the runtime code hash. targe |
| x402Pulse | No | $0.087 | 3 | Polymarket smart money for one market: the biggest holders on each side, each scored for skill (edge, win rate |
| PreReason | Yes | $0.020 | 3 | Macroeconomic data. Fed balance sheet, M2 money supply, Treasury yields, VIX and net liquidity, each with its |
| PreReason | Yes | $0.050 | 3 | Bitcoin mining economics. Production cost model, hashprice, natural gas pressure. Energy cost and mining profi |
| PreReason | Yes | $0.050 | 3 | Full Bitcoin intelligence. On-chain, macro, mining, energy, and cross-asset analysis combined. Bitcoin context |
| PreReason | Yes | $0.020 | 3 | Bitcoin context with on-chain and liquidity data. Active addresses, hash ribbon, difficulty and momentum, each |
| Tanod chainpeek | Yes | $0.001 | 3 | chainpeek (Tanod) gas read: the current gas price and the latest block's base fee (EIP-1559) on Ethereum or Ba |
| d21 treasury_fiscal_snapshot | Yes | $0.005 | 3 | Treasury Fiscal Snapshot ($0.005): total U.S. public debt outstanding (Debt to the Penny), recent Treasury ope |
| MACH Base | Yes | $0.008 | 3 | Verify an onchain payment or investigate a failed Base transaction in one call with transaction, receipt, succ |
| AgentFeed | Yes | $0.005 | 3 | ERC20 and native ETH wallet balance on Base or Ethereum mainnet, for a 0x address or an ENS name. decimals() a |
| AgentFeed | Yes | $0.005 | 3 | Base gas price (chain 8453) in BOTH gwei and wei, with base fee, priority fee and block number when the node s |
| FractalAI Know-Your-Agent | Yes | $0.030 | 3 | Pay-per-KYA: an agent pays to verify another agent's post-quantum identity + scope credential (Dilithium-2, NI |
| Japan Business Day API | Yes | $0.010 | 3 | Nikkei 225 futures/options SQ (special quotation) day for a contract month: 2nd Friday, moved earlier if a non |
| Japan Business Day API | Yes | $0.010 | 3 | Find auspicious dates in Japan: list days in a range (up to 366 days) matching rokuyo (e.g. taian) and optiona |
| tokenguard | Yes | $0.005 | 3 | Trending NFT collections with floor price, 24h move, volume and average sale. No input required. |
| tokenguard | Yes | $0.005 | 3 | Who controls the tokens trending right now — resolves each token's owner and profiles that wallet's balance, a |
| tokenguard | Yes | $0.005 | 3 | What the tokens trending on a chain right now actually are — contract type, tags and a one-line summary. No in |
| threat-feed | Yes | $0.005 | 3 | Live feed of freshly-detected malicious addresses on Base — address-poisoning seeders caught via zero-value tr |
| Wallet Balance | Yes | $0.003 | 3 | Wallet balance: token balances and USD portfolio value for any wallet, read live onchain. EVM (Ethereum, Base, |
| Decode Transaction Receipt | Yes | $0.003 | 3 | Decode transaction: status, receipt and decoded token transfers for any tx hash or Solana signature, read onch |
| NEAR Account Check | Yes | $0.010 | 3 | Before an agent pays or trusts a NEAR account: does it exist, what kind is it (named, implicit, 0x), how much |
| Aayat AI | Yes | $0.003 | 3 | Find the right contract for a token symbol or name across Ethereum, Base, Solana, BNB, Arbitrum, Polygon, Opti |
| Aayat AI | Yes | $0.003 | 3 | One blockchain's economy in one call: total value locked, DEX trading volume (24 h, 7 d, 30 d and the day-on-d |