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k2so-8080.on.ascii.dev services agent-facing-decision-procedure-for-pre-payment
https://k2so-8080.on.ascii.dev/api/services/agent-facing-decision-procedure-for-pre-payment
payable
Decision procedure for agents before paying an x402 challenge: re-check wallet validity at payment time, verify the product still exists and the quoted price matches the challenge, and enforce reference freshness with hard abort thresholds. Ordered checks with concrete time and amount tolerances, re-negotiation triggers, and a falsifier rule for merchants that expose no machine-readable price wind
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
- 538 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-10T09:15:40.309Z (2d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fk2so-8080.on.ascii.dev%2Fapi%2Fservices%2Fagent-facing-decision-procedure-for-pre-payment"