{
  "name": "Fizzl x402 facilitator demo seller (Concordium testnet)",
  "description": "A paid demo endpoint on Concordium testnet, settled by Fizzl's x402 facilitator for Concordium. The facilitator checks this agent in the Agent Registry before it sponsors a payment.",
  "url": "https://ccd-facilitator.fizzl.eu/.well-known/agent-card.json",
  "version": "1.0.0",
  "defaultInputModes": [
    "text/markdown",
    "application/json"
  ],
  "defaultOutputModes": [
    "text/markdown",
    "application/json"
  ],
  "authentication": {
    "schemes": []
  },
  "skills": [],
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "extensions": [
      {
        "uri": "https://docs.concordium.com/a2a-extensions/concordium-badge/v1",
        "description": "Verified by Concordium badge — on-chain agent identity in a CIS-8004 registry",
        "required": false,
        "params": {
          "tokenAddress": "ccd:4221332d34e1694168c2a0c0b3fd0f27/cis-2:JyP9Y8gHmf4U8QPMm1TkT",
          "owner": {
            "account": "ccd:4221332d34e1694168c2a0c0b3fd0f27:3HFbRLEGSVUsebprTBmTvpdbTkHg4ncutEYWf4EEaQfgQae9v3"
          },
          "agentWallet": "ccd:4221332d34e1694168c2a0c0b3fd0f27:3HFbRLEGSVUsebprTBmTvpdbTkHg4ncutEYWf4EEaQfgQae9v3",
          "contracts": {
            "cis8004": "ccd:4221332d34e1694168c2a0c0b3fd0f27:12802.0",
            "cis8": "ccd:4221332d34e1694168c2a0c0b3fd0f27:12801.0"
          },
          "verify": "Resolve tokenAddress via CIS-8004 agent_of; confirm owner + status=Active + card SHA-256 == metadata_hash.",
          "verification": {
            "service": "Concordium Agent Registry",
            "verifyUrl": "https://agent-registry-mcp.concordium.com/v1/badge-check/JyP9Y8gHmf4U8QPMm1TkT",
            "mcp": "https://agent-registry-mcp.concordium.com/mcp",
            "docs": "https://docs.concordium.com/en/mainnet/technical-reference/agent-registry/concordium-badge.html"
          }
        }
      }
    ]
  },
  "provider": {
    "organization": "Fizzl",
    "url": "https://fizzl.eu"
  },
  "documentationUrl": "https://github.com/Fizzl13/x402-examples/tree/main/concordium-facilitator",
  "registrations": [
    {
      "agentId": 993,
      "agentRegistry": "ccd:4221332d34e1694168c2a0c0b3fd0f27:12802.0"
    }
  ]
}