{
  "name": "x402 Notary",
  "description": "Cryptographic receipts for AI inference: notarize a prompt/response pair and get a signed attestation, content hash and receipt token, anchored on Base; verify any receipt for free. Paid per notarization in USDC on Base via x402 (HTTP 402).",
  "url": "https://notary.forgemesh.io",
  "provider": {
    "organization": "ForgeMesh Labs",
    "url": "https://forgemesh.io"
  },
  "version": "1.0.0",
  "protocolVersion": "1.0",
  "documentationUrl": "https://notary.forgemesh.io/llms.txt",
  "supportedProtocols": [
    "x402",
    "http"
  ],
  "supportedInterfaces": [
    {
      "url": "https://notary.forgemesh.io/api/notarize",
      "protocolBinding": "HTTP+JSON",
      "protocolVersion": "1.0"
    }
  ],
  "defaultInputModes": [
    "application/json",
    "text/plain"
  ],
  "defaultOutputModes": [
    "application/json"
  ],
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "extendedAgentCard": false
  },
  "discovery": {
    "x402": "https://notary.forgemesh.io/.well-known/x402.json",
    "openapi": "https://notary.forgemesh.io/openapi.json",
    "llms": "https://notary.forgemesh.io/llms.txt",
    "ard": "https://notary.forgemesh.io/.well-known/ard.json",
    "agentsTxt": "https://notary.forgemesh.io/agents.txt"
  },
  "skills": [
    {
      "id": "notarize",
      "name": "Notarize inference",
      "description": "Notarize one AI inference — returns signed attestation, content hash, receipt token, anchor status ($0.001 per call, x402)",
      "url": "https://notary.forgemesh.io/api/notarize",
      "tags": [
        "x402",
        "notary",
        "receipts",
        "attestation",
        "post"
      ],
      "examples": [
        "POST https://notary.forgemesh.io/api/notarize"
      ]
    },
    {
      "id": "notarize-batch",
      "name": "Notarize batch",
      "description": "Notarize 1-20 inferences in one call ($0.005 per call, x402)",
      "url": "https://notary.forgemesh.io/api/notarize/batch",
      "tags": [
        "x402",
        "notary",
        "receipts",
        "attestation",
        "post"
      ],
      "examples": [
        "POST https://notary.forgemesh.io/api/notarize/batch"
      ]
    }
  ],
  "securitySchemes": {
    "x402": {
      "type": "x402",
      "description": "HTTP 402 payment challenge; pay in USDC on Base (eip155:8453) and retry with the PAYMENT-SIGNATURE header. No accounts or API keys."
    }
  },
  "securityRequirements": [
    {
      "x402": []
    }
  ],
  "note": "x402 HTTP API, not JSON-RPC A2A: paid routes answer HTTP 402 with x402 payment terms (USDC, Base). Pay the challenge and repeat the request."
}