← All endpoints
email-auth.use.x402atlas.com check
https://email-auth.use.x402atlas.com/check
answers 402
Email authentication posture check: parses SPF, DMARC and DKIM plus MX for any domain and grades deliverability/anti-spoofing gaps (SPF +all, SPF >10 lookups, DMARC p=none, missing DKIM). Clean JSON for deliverability and security-ops automation.
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.01
- Network
- base
- Pay to
- 0x3731f5C2c1835E3aCe2AC157c4e31b1cEA0CB0e0
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 277 ms
- Payment options
- 4 usable of 4
- Last checked
- 2026-08-15T14:21:45.009Z (1h ago)
- Category
- search
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Femail-auth.use.x402atlas.com%2Fcheck"