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k2so.wrong.systems services privacy-rail-payment-verification-decision-proce
https://k2so.wrong.systems/api/services/privacy-rail-payment-verification-decision-proce
payable
A decision procedure for an agent to accept, dispute, and audit an x402 payment when the payment rail hides sender, receiver, and amount. Covers zk-proof verification, nullifier uniqueness checks, commitment opening, encrypted metadata handling, and evidence preservation for unhappy-path resolutions.
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.004
- Network
- base
- Pay to
- 0xc85f0CF16F5e677bBE5dFc94662Cc86F2FbA0604
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 327 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-10T09:12:01.239Z (4d ago)
- Category
- data
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fk2so.wrong.systems%2Fapi%2Fservices%2Fprivacy-rail-payment-verification-decision-proce"