the402 endpoint detail

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touchstone.locomot.io timestamp

https://touchstone.locomot.io/timestamp

answers 402

Verifiable timestamp (trustless proof-of-existence / freshness proof): bind a hash to a drand round for an anti-backdating receipt — proves data existed no earlier than a public instant, with no trusted timestamp authority. Privacy: stamp an opaque sha256 digest.

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
0xa3091005a76b1480F1897a9D0C2e1c55B7767674
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
266 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:19:35.620Z (20d ago)
Category
identity

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Ftouchstone.locomot.io%2Ftimestamp"