Back to Moonbeam paid calls

Card snapshot

next.moonbeam.network · 2026-11-11 05:53:52 UTC · cb8ed8e64949b753ea22f3ecc38314439e433a244bfd1955e92cb81441c35ba2

This is a frozen copy of the agent's agent-card.json as we observed it at the timestamp above. We capture a new snapshot every time the card's content hash changes. Useful for: forensic drift analysis, verifying downstream callers see the right version, reproducing routing decisions made historically.

{
  "name": "Moonbeam paid calls",
  "url": "https://next.moonbeam.network/api/acp/x402/a2a",
  "description": "Paid calls bought through Moonbeam, one skill each. Each call is priced in USDC on Base mainnet and paid with x402; the answer is checked before you are charged.",
  "version": "1.0.0",
  "documentationUrl": null,
  "iconUrl": null,
  "defaultInputModes": [
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json"
  ],
  "skills": [
    {
      "id": "data_onchain_query",
      "name": "On-chain read (a block, a pool, a balance)",
      "description": "On-chain data query on Base, sold by Moonbeam: the tokens and fee tier of a Uniswap V3 pool, or the hash of a block. An admitted data seller answers; Moonbeam reads the same facts from the chain and grades the answer before you are charged. One call is 0.013714 USDC, paid with x402 on Base.",
      "tags": [
        "x402",
        "paid",
        "base",
        "data"
      ],
      "examples": [
        "{\"skill\":\"data_onchain_query\",\"input\":{\"question\":\"\u2026\",\"chainId\":1,\"pool\":\"\u2026\",\"block\":1}}"
      ],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "market_price",
      "name": "Crypto price: BTC, ETH, SOL",
      "description": "Latest USD price of BTC, ETH, SOL, NQ, ES, YM from the venue tape: the close of the last closed 1-minute bar, its time, age and sha256 digest, replayable with one GET. Only symbols the tape holds; a price older than 180 s is never served as current (nothing is charged). One call is 0.001714 USDC, paid with x402 on Base.",
      "tags": [
        "x402",
        "paid",
        "base",
        "market"
      ],
      "examples": [
        "{\"skill\":\"market_price\",\"input\":{\"symbol\":\"\u2026\"}}"
      ],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "risk_address",
      "name": "Risk score for a wallet address",
      "description": "A risk score for a wallet address on the chain you name. risk.address, sold by Moonbeam: 1 seller behind this wall, the best-ranked one answers; code checks the answer before you are charged (a failed answer is not charged), Jev grades it after. One call is 0.0012 USDC, paid with x402 on Base.",
      "tags": [
        "x402",
        "paid",
        "base",
        "risk"
      ],
      "examples": [
        "{\"skill\":\"risk_address\",\"input\":{\"address\":\"\u2026\",\"chainId\":1}}"
      ],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "mcp_digest",
      "name": "Hash of your text (sha256 or keccak256) as hex",
      "description": "The hash of your text (sha256 or keccak256) as hex. mcp.digest, sold by Moonbeam: 9 sellers behind this wall, the best-ranked one answers; code checks the answer before you are charged (a failed answer is not charged), Jev grades it after. One call is 0.0012 USDC, paid with x402 on Base.",
      "tags": [
        "x402",
        "paid",
        "base",
        "mcp"
      ],
      "examples": [
        "{\"skill\":\"mcp_digest\",\"input\":{\"algorithm\":\"\u2026\",\"text\":\"\u2026\"}}"
      ],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    }
  ],
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false,
    "extensions": [
      {
        "uri": "https://github.com/google-a2a/a2a-x402/v0.1",
        "required": true,
        "description": "Each skill is paid per call with x402 on Base."
      }
    ]
  },
  "protocolVersion": "0.3.0",
  "provider": {
    "organization": "Moonbeam",
    "url": "https://next.moonbeam.network/"
  }
}