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agent402.tools skill email-deliverability
https://agent402.tools/api/skill/email-deliverability
answers 402
Bundled execution of the Email deliverability workflow - Diagnose why a domain's email lands in spam: SPF posture, DMARC policy, DKIM key strength, MX targets, and a composite 0–100 score. One x402 payment runs 6 underlying tools (spf-check, dmarc-check, dkim-lookup, email-deliverability, email-validate, dns-lookup); partial-success per step.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.02
- Network
- base
- Pay to
- 0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 118 ms
- Payment options
- 13 usable of 13
- Last checked
- 2026-09-06T01:17:20.069Z (19d ago)
- Category
- search
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fagent402.tools%2Fapi%2Fskill%2Femail-deliverability"