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httpultravioletadao

x402-markdown.onrender.com

GET /v1/email/check?email=<address>. Validates syntax (RFC 5321/5322 dot-atom, IDN domains accepted), looks up MX (RFC 7505 null MX, A/AAAA fallback), SPF and DMARC over DNS-over-HTTPS, and flags disposable (disposable-email-domains list, CC0), role and free-provider addresses. Verdict: deliverable_likely | risky | undeliverable, with reasons. No SMTP probing, so a mailbox is never confirmed to exist. Invalid syntax is rejected with 400 before payment. Input is not logged or stored on disk. Not charged on errors.

Resource URL

https://x402-markdown.onrender.com/v1/email/check

Payment options

exactBase (8453)

$0.005 USDC

Max amount

Pay to
0x64eB63904Cf9688AC5B3087A72AcF9C31a273169
Timeout
300s

For agents

Prompt snippet for AI agents

Find and pay for this x402 resource:
URL: https://x402-markdown.onrender.com/v1/email/check
Type: http
Sources: ultravioletadao

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