Marketplace · API · x402

rubric-protocol.com/v1/c2pa/verdict-attest

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.

Endpointhttps://rubric-protocol.com/v1/c2pa/verdict-attest
Trust100% uptime over 1 checks · ~346 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0xaB6731A0BcDf511c2842C768a03448075aB654ca
methodPOST
last updated2026-10-19T14:19:03.856Z

Use it

Call it (an x402 client pays automatically)

curl -i https://rubric-protocol.com/v1/c2pa/verdict-attest
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-022b6cef3d3b916e

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}

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