the402 endpoint detail

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toolcall.click domain check

https://toolcall.click/t/domain/check

answers 402

Due-diligence check on any domain: registration age via RDAP, registrar, DNS posture (A/MX/NS), SPF and DMARC presence, SSL certificate history, and risk flags like newly-registered or no-mail-setup. One call, one JSON verdict. $0.008 USDC per call, pay via x402, no API key.

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.008
Network
base
Pay to
0x84FA7Ea8303d4f503267e2e998A3F7D980e814a5
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
35 ms
Payment options
1 usable of 1
Last checked
2026-08-15T14:26:03.010Z (58m ago)
Category
identity

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Ftoolcall.click%2Ft%2Fdomain%2Fcheck"