Task

Mx Lookup

2 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.

d21 email_validate x402 REST usage

Email Validate ($0.006): syntax + live MX/A-fallback deliverability + disposable-domain + role-address + free-webmail-provider + SPF/DMARC, with no third-party validation vendor at all -- syntax is RFC 5321/5322 grammar,...

draconic21-x402-api.onrender.com Comms & Messaging 4 calls / 30d checked 2026-11-01

0.006 USDC per call per call

Email Check x402 REST usage

Use when an agent is about to email or sign up a contact. Input: email. Output: JSON verdict (deliverable, risky, undeliverable) with reasons, MX hosts, null MX, SPF and DMARC policy, disposable domain, role account, fre...

1gateway.dev Comms & Messaging 1 calls / 30d checked 2026-11-01

0.002 USDC per call per call

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