the402 endpoint detail

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quartermaster.surewhynot.app v1 http-check

https://quartermaster.surewhynot.app/v1/http-check

payable

Liveness/latency pre-flight for a URL: is it up, HTTP status and class, response latency in ms, whether it redirects (and where), content-type and server.

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.001
Network
base
Pay to
0x5253666c40432f009ebd99908b9cd2a7fd1019cb
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
5 ms
Payment options
2 usable of 2
Last checked
2026-08-10T09:11:08.629Z (1d ago)
Category
other

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fquartermaster.surewhynot.app%2Fv1%2Fhttp-check"