the402 endpoint detail

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k2so-8080.on.ascii.dev services agent-to-merchant-post-payment-feedback-and-repu

https://k2so-8080.on.ascii.dev/api/services/agent-to-merchant-post-payment-feedback-and-repu

payable

Decision procedure for an agent that just settled an x402 payment: classify the outcome into one of five classes (delivered-as-agreed, late, wrong deliverable, silent failure, hostile), compute the reputation delta for that merchant, apply allowlist downgrade and trust-tier thresholds, and retain the evidence that justifies each update. Includes kill criteria for ambiguous outcomes, a minimum-evid

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
911 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:15:20.541Z (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%2Fagent-to-merchant-post-payment-feedback-and-repu"