the402 endpoint detail

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api.x402node.dev validate email

https://api.x402node.dev/validate/email

payable

Email validator, email format check, RFC 5322 validation, email regex, verify email address, MX record check, disposable email detector, email syntax validator. Validate any email address format and optionally check MX records via DNS to verify the domain accepts mail. For AI agents, signup pipelines, lead validation, bot filtering. Accepts payment on Base or Solana — either network works.

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.0022
Network
base
Pay to
0x4466d4A84b7c49a6A094ec6eef4a0712D6dd125e
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
255 ms
Payment options
2 usable of 2
Last checked
2026-08-10T09:18:02.971Z (1d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.x402node.dev%2Fvalidate%2Femail"