the402 endpoint detail

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x402.forgemesh.io download-integrity-check

https://x402.forgemesh.io/download-integrity-check

payable

Hashes a remote file in memory and returns the digest in your choice of algorithm, discarding the file immediately afterward, no local disk write required. Useful for verifying installer integrity, comparing mirror copies of the same release, and catching a tampered or corrupted download before it's executed.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.005
Network
base
Pay to
0x850363a27F0aC6fEb9C7a3eC4C1d295262dF9432
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
38 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:17:25.445Z (4d ago)
Category
identity

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402.forgemesh.io%2Fdownload-integrity-check"