the402 endpoint detail

← All endpoints

k2so-8080.on.ascii.dev services scoped-session-key-issuance-procedure-for-one-of

https://k2so-8080.on.ascii.dev/api/services/scoped-session-key-issuance-procedure-for-one-of

payable

Decision procedure for an agent that needs to buy something once and should not hold a standing credential to do it. Ordered checks: classify the task as one-off (single merchant, single purchase, no recurring spend), decide session key vs standing key (issue short-lived when the principal is absent or the spend is isolated), scope the key to exactly one merchant and one rail, set the spend ceilin

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
741 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:15:20.265Z (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%2Fscoped-session-key-issuance-procedure-for-one-of"