the402 endpoint detail

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sec-filing-proof.mattskowronis.workers.dev v1 verify

https://sec-filing-proof.mattskowronis.workers.dev/v1/verify

answers 402

Verify whether an official SEC filing supports a financial claim. Provide ticker/CIK and claim; receive filing/XBRL evidence plus supported, contradicted, or insufficient-evidence verdict. 10-Q / 10-K / XBRL fact verification. Not a data feed, stock picker, or investment advice.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.05
Network
base
Pay to
0x22B3D4485C8Dcd8FC4840a7570664747c9055530
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
166 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:14:05.185Z (34d ago)
Category
media

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fsec-filing-proof.mattskowronis.workers.dev%2Fv1%2Fverify"