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agentbit.app email deliverability
https://agentbit.app/v1/email/deliverability
answers 402
Email address deliverability and risk check before sending: syntax, domain, MX records, SPF, DMARC, disposable-provider detection and role-account detection. Returns a 0–100 deliverability score, risk level and per-check details. Live DNS, no mailbox pinging.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.03
- Network
- base
- Pay to
- 0x4395C7e383b7e05665aad7f36ed77c01923Dd965
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 752 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:18:49.906Z (2h ago)
- Category
- identity
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fagentbit.app%2Fv1%2Femail%2Fdeliverability"