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agent402.tools skill contact-verify
https://agent402.tools/api/skill/contact-verify
answers 402
Bundled execution of the Contact verification workflow - Verify an email address is deliverable - syntax validation plus MX record check on the domain. One x402 payment runs 3 underlying tools (email-validate, dns-lookup, spf-check); partial-success per step.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.008
- Network
- base
- Pay to
- 0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 113 ms
- Payment options
- 13 usable of 13
- Last checked
- 2026-09-06T01:17:20.241Z (2h ago)
- Category
- search
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fagent402.tools%2Fapi%2Fskill%2Fcontact-verify"