AgentTools
Validate an email address in two layers: strict RFC-style syntax, then a live DNS MX lookup on the domain to confirm the recipient actually runs mail servers. Catches the typos and fake domains that pure regex misses. Use this when an agent
Go to this service →Our latest check (2026-10-12)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 121 ms
- Price
- $0.002 per call
- Paying buyers, last 30 days
- 2 (directory's own records)
- Paid calls, last 30 days
- 2
- Category
- DNS and domains
- Address
- https://agentstoolshub.com/api/v1/dev/email-validator
Accuracy: paid answers checked against an independent record
Not yet in our paid checks. A seller we have not checked has neither passed nor failed.
For agents
This page as JSON: /sellers/2e506b5e1c34.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).