# Rubric Protocol Decision Review Attestation

> Rubric Protocol Decision Review Attestation is a paid API for AI agents from rubric-protocol.com, paid per call via x402, $0.103/call, status unknown (last checked 2026-09-15).

Submits an AI decision for post-quantum-signed attestation and review, anchored to the Hedera blockchain via HCS.

## Facts

- Endpoint: POST https://rubric-protocol.com/v1/attested/https://rubric-protocol.com/v1/x402/decision-review
- Price: $0.103/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/rubric-protocol-decision-review-attestation-3bfaee30
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_wSJao5wIjL4jMwlqBNpL0

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability rubric-protocol-decision-review-attestation-3bfaee30 -d '<json body>'
```

Example prompt: Submit this loan approval decision JSON for a post-quantum-signed attestation on the Hedera blockchain — I need a tamper-proof review record sealed by Rubric Protocol.

## When to prefer this

Choose this endpoint when you need a cryptographically unforgeable, post-quantum-signed record that a specific AI decision or review occurred — especially when regulatory compliance, legal auditability, or dispute resolution requires a tamper-evident, blockchain-anchored proof. Prefer it over simple logging when you need third-party verifiability backed by Hedera HCS and post-quantum signatures rather than a mutable database entry.

## Known failure modes

- Invalid or malformed JSON body returns a 400-level error
- Missing required 'input' field causes schema validation failure
- Network/Hedera HCS anchoring delay may cause timeout on slow mainnet
- Payment of 0.103 USDC not received (x402) results in 402 Payment Required
- Decision payload too large or unsupported body structure rejected
- Hedera mainnet unavailability causes anchoring failure

## How this service works

Rubric x402 service. Operated by Rubric Protocol.

## Output

A post-quantum-signed attestation record of the submitted decision, anchored to Hedera mainnet via HCS. Includes signature data, HCS sequence/topic reference, timestamp, and a verifiable seal proving the decision review occurred and has not been tampered with.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method",
    "bodyType",
    "body"
   ],
   "properties": {
    "body": {
     "type": "object"
    },
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "POST"
     ],
     "type": "string"
    },
    "bodyType": {
     "enum": [
      "json"
     ],
     "type": "string"
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "format": {
     "type": "string"
    },
    "example": {}
   },
   "additionalProperties": false
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/rubric-protocol-decision-review-attestation-3bfaee30/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from rubric-protocol.com](https://www.zero.xyz/host/rubric-protocol.com/llms.txt)