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rubric-protocol.com x402 decision-review
https://rubric-protocol.com/v1/x402/decision-review
answers 402
Attested policy evaluation: submit a proposed agent action, its context, and the policy it must satisfy. Returns a verdict with reasoning and the specific clauses applied — then binds hashes of all three inputs into an ML-DSA-65 signed, Hedera-anchored record. Evidence that the policy was evaluated against this action at this time, independently verifiable long after the agent is gone.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.10
- Network
- base
- Pay to
- 0xaB6731A0BcDf511c2842C768a03448075aB654ca
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 110 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-15T14:31:00.859Z (5d ago)
- Category
- other
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Frubric-protocol.com%2Fv1%2Fx402%2Fdecision-review"