Index onlineMerchant portal
Api Endpoint

TenPrint

C2PA verdict attestation Tier A. POST raw asset bytes (max 25MB). Rubric runs Google Credentio validation in-sandbox, anchors the verdict to Hedera with ML-DSA-65 post-quantum signature. Durable proof asset X validated against C2PA Trust List Y at time T. Operated by TenPrint.

Open interactive test console

Offering

Provider
rubric-protocol.com
Method
POST
Offering type
Api Endpoint
Transport type
http
Category
Security
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://rubric-protocol.com/v1/c2pa/verdict-attest
MIME type
Not provided
First seen
2026-10-16T01:50:10.647Z
Last seen
Tags
attestation, compliance

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.25 USDC
Atomic price: 250000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2
0.25 USDC
Atomic price: 250000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Payment option 3
250000 atomic units
Atomic price: 250000 · Network: algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8= · Asset: 31566704 · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "250000",
    "payTo": "0xaB6731A0BcDf511c2842C768a03448075aB654ca"
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "250000",
    "payTo": "GBfJMhGiGJeWDcve1G673hEp8DLmMFomvSEHMzRfmcJu"
  },
  {
    "scheme": "exact",
    "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
    "asset": "31566704",
    "amount": "250000",
    "payTo": "TNUZJJ3JQCGA4QNYDW4VW5CVZ4FWBTGBBEVSFLN6PJT4YEEUSSOX6EXVBM"
  }
]

Observed health

Status
Healthy
Latest latency
59 ms
Average latency
57 ms
HTTP status
204
Last checked
Reachability
100% over 15 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "additionalProperties": false,
  "properties": {
    "body": {
      "type": "object"
    },
    "bodyType": {
      "enum": [
        "binary"
      ],
      "type": "string"
    },
    "method": {
      "enum": [
        "POST"
      ],
      "type": "string"
    },
    "type": {
      "const": "http",
      "type": "string"
    }
  },
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "type": "object"
}

Output schema

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