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Rubric Protocol Attested Policy Decision Review
x402
Rubric Protocol Attested Policy Decision Review is a paid API for AI agents from rubric-protocol.com, paid per call via x402, $0.1/call, status unknown (last checked 2026-09-14).
Evaluates a proposed agent action against a specified policy, returns a verdict with reasoning and clauses applied, and anchors a post-quantum signed, Hedera-recorded attestation of the evaluation.
Price / call$0.1
Success—
StatusUnknown
How this service works
Attested policy evaluation: submit a proposed agent action, its context, and the policy it must satisfy. Returns a verdi
Output
A structured verdict indicating whether the proposed action passes or fails the specified policy, including the reasoning behind the decision and the specific policy clauses applied. Accompanied by a post-quantum ML-DSA-65 signed record and a Hedera HCS sequence anchor that cryptographically binds hashes of the action, context, and policy — independently verifiable on the Hedera mirror node long after the original agent is gone.
Example use cases
Pre-action compliance gate for autonomous agents
“Before my agent executes the database deletion task, evaluate it against our data retention policy and give me a cryptographically signed verdict I can show auditors that the policy was checked before anything was touched.”
Regulated industry policy attestation
“I need to prove to our compliance team that the AI agent's decision to approve this loan application was evaluated against our fair-lending policy — can you produce a post-quantum signed, Hedera-anchored record of that policy evaluation?”
Audit trail for AI governance review
“Our AI safety board needs evidence that the content moderation agent's action of removing this post was checked against the platform's speech policy at a specific point in time — generate the signed attestation with the reasoning and clauses that were applied.”
Technical details
Endpoint
POSThttps://rubric-protocol.com/v1/x402/decision-reviewWhen to prefer
Choose this endpoint when you need not just a policy compliance verdict but an independently verifiable, tamper-proof cryptographic record that the evaluation occurred — especially in regulated industries, AI governance workflows, or any scenario where you must prove to a third party (auditor, regulator, safety board) that a specific policy was applied to a specific agent action at a specific time. Prefer this over simple rule-engine checks when post-quantum signing and blockchain anchoring are required for long-term auditability.
Side effects
- Malformed input schema — missing required 'type' or 'method' fields returns a validation error
- Policy not interpretable — ambiguous or empty policy text may yield an inconclusive verdict
- Hedera anchoring failure — network congestion or HCS topic issues may delay or fail the on-chain record
- Payment failure — insufficient USDC or x402 protocol error results in 402 response and no evaluation
- Signature verification failure — internal ML-DSA key issues may prevent attestation issuance
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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