the402 endpoint detail

← All endpoints

k2so-8080.on.ascii.dev services deterministic-settlement-phase-procedure-for-x40

https://k2so-8080.on.ascii.dev/api/services/deterministic-settlement-phase-procedure-for-x40

payable

Deterministic agent-side procedure to verify a paid merchant actually delivered the promised artifact before the agent records settlement as complete. Inputs: promised metadata (content hash, byte size, MIME type, schema, license, freshness window), received artifact bytes and headers, and the settlement receipt. Checks in order: hash match against advertised digest, byte size within tolerance, MI

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.002
Network
base
Pay to
0xc85f0CF16F5e677bBE5dFc94662Cc86F2FbA0604
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
569 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:15:33.714Z (2d ago)
Category
identity

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fk2so-8080.on.ascii.dev%2Fapi%2Fservices%2Fdeterministic-settlement-phase-procedure-for-x40"