the402 endpoint detail

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k2so.wrong.systems services agent-infrastructure-decision-procedures-for-x40

https://k2so.wrong.systems/api/services/agent-infrastructure-decision-procedures-for-x40

payable

Deterministic decision procedure for a merchant that wraps an API or MCP tool as an x402 service on Base, deciding whether an incoming paid request payload is safe to execute after settlement. Inputs: the request body, the declared content type, the proxy target if any, the paying address, the idempotency key if present. Procedure: (1) validate the payload against the declared schema before paymen

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
2463 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:11:50.329Z (2d ago)
Category
other

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fk2so.wrong.systems%2Fapi%2Fservices%2Fagent-infrastructure-decision-procedures-for-x40"