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web3-tools.x402tookit.com · 2026-10-21 05:04:02 UTC · 13223ad74b98198708d4de540395d2c6932013c70da6ee4f48a20ab396c5abc4

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.

{
  "_source": "agentic.market",
  "service": {
    "id": "web3-tools-x402tookit-com",
    "name": "web3-tools.x402tookit.com",
    "description": "",
    "domain": "web3-tools.x402tookit.com",
    "provider": "web3-tools.x402tookit.com",
    "providerUrl": "",
    "category": "",
    "networks": [
      "Base",
      "eip155:137",
      "eip155:42161",
      "solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp"
    ],
    "enriched": false,
    "endpoints": [
      {
        "url": "https://web3-tools.x402tookit.com/btc-address",
        "description": "Validate a Bitcoin address (legacy, P2SH, SegWit bech32, Taproot bech32m): checksum, type, network and hash payload.",
        "pricing": {
          "amount": "0.02",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": [
          {
            "group": "query",
            "name": "address",
            "type": "string",
            "description": "",
            "example": "bc1qw508d6qejxtdg4y5r3zarvary0c5xw7kv8f3t4",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "Web3 Tools",
        "tags": [
          "bitcoin",
          "address",
          "bech32",
          "base58check",
          "taproot"
        ],
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "1"
        }
      },
      {
        "url": "https://web3-tools.x402tookit.com/caip-parse",
        "description": "Parse CAIP-2 chain ids, CAIP-10 account ids and CAIP-19 asset ids: namespace, reference, known chain name, address check.",
        "pricing": {
          "amount": "0.02",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": [
          {
            "group": "query",
            "name": "id",
            "type": "string",
            "description": "",
            "example": "eip155:8453",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "Web3 Tools",
        "tags": [
          "caip",
          "chain-id",
          "wallet",
          "multichain"
        ],
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "1"
        }
      },
      {
        "url": "https://web3-tools.x402tookit.com/calldata-split",
        "description": "Split EVM calldata into its 4-byte selector and 32-byte words, naming common ERC-20/721 calls and spotting addresses.",
        "pricing": {
          "amount": "0.02",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": [
          {
            "group": "query",
            "name": "data",
            "type": "string",
            "description": "",
            "example": "0xa9059cbb000000000000000000000000ab5801a7d398351b8be11c439e05c5b3259aec9b0000000000000000000000000000000000000000000000000de0b6b3a7640000",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "Web3 Tools",
        "tags": [
          "calldata",
          "abi",
          "evm",
          "transaction",
          "decode"
        ],
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "1"
        }
      },
      {
        "url": "https://web3-tools.x402tookit.com/contract-address",
        "description": "Predict a contract address: CREATE from deployer and nonce, or CREATE2 from deployer, salt and init code (or its hash).",
        "pricing": {
          "amount": "0.02",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": [
          {
            "group": "query",
            "name": "deployer",
            "type": "string",
            "description": "",
            "example": "0x6ac7ea33f8831ea9dcc53393aaa88b25a785dbf0",
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "query",
            "name": "nonce",
            "type": "string",
            "description": "",
            "example": "0",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "Web3 Tools",
        "tags": [
          "create2",
          "create",
          "contract",
          "deployment",
          "evm"
        ],
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "1"
        }
      },
      {
        "url": "https://web3-tools.x402tookit.com/ens-namehash",
        "description": "Compute the ENS namehash (EIP-137) and label hashes for a name such as vitalik.eth, for contract calls and subgraph queries.",
        "pricing": {
          "amount": "0.02",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": [
          {
            "group": "query",
            "name": "name",
            "type": "string",
            "description": "",
            "example": "foo.eth",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "Web3 Tools",
        "tags": [
          "ens",
          "namehash",
          "eip-137",
          "ethereum"
        ],
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "1"
        }
      },
      {
        "url": "https://web3-tools.x402tookit.com/evm-address",
        "description": "Check an EVM address (Ethereum, Base, Polygon...) against its EIP-55 checksum and return the correctly checksummed form.",
        "pricing": {
          "amount": "0.02",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": [
          {
            "group": "query",
            "name": "address",
            "type": "string",
            "description": "",
            "example": "0x5aAeb6053F3E94C9b9A09f33669435E7Ef1BeAed",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "Web3 Tools",
        "tags": [
          "evm",
          "ethereum",
          "address",
          "eip-55",
          "checksum"
        ],
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "1"
        }
      },
      {
        "url": "https://web3-tools.x402tookit.com/function-selector",
        "description": "Compute the 4-byte function selector and event topic0 from a Solidity signature such as transfer(address,uint256).",
        "pricing": {
          "amount": "0.02",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": [
          {
            "group": "query",
            "name": "signature",
            "type": "string",
            "description": "",
            "example": "transfer(address,uint256)",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "Web3 Tools",
        "tags": [
          "solidity",
          "abi",
          "selector",
          "event-topic",
          "ethereum"
        ],
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "1"
        }
      },
      {
        "url": "https://web3-tools.x402tookit.com/hex-convert",
        "description": "Convert hex to UTF-8 text or an integer (signed or unsigned), and text or integers to hex with 32-byte padding.",
        "pricing": {
          "amount": "0.02",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": [
          {
            "group": "query",
            "name": "op",
            "type": "string",
            "description": "",
            "example": "hex-to-int",
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "query",
            "name": "value",
            "type": "string",
            "description": "",
            "example": "0x0de0b6b3a7640000",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "Web3 Tools",
        "tags": [
          "hex",
          "utf8",
          "integer",
          "bytes32",
          "abi"
        ],
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "1"
        }
      },
      {
        "url": "https://web3-tools.x402tookit.com/keccak256",
        "description": "Keccak-256 hash (the Ethereum one) of text or hex bytes, with the first-4-byte selector and NIST SHA3-256 for contrast.",
        "pricing": {
          "amount": "0.02",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": [
          {
            "group": "query",
            "name": "encoding",
            "type": "string",
            "description": "",
            "example": "utf8",
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "query",
            "name": "input",
            "type": "string",
            "description": "",
            "example": "transfer(address,uint256)",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "Web3 Tools",
        "tags": [
          "keccak",
          "hash",
          "ethereum",
          "sha3"
        ],
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "1"
        }
      },
      {
        "url": "https://web3-tools.x402tookit.com/solana-address",
        "description": "Validate a Solana address: base58, 32 bytes, and whether it is on the ed25519 curve (wallet) or off it (program-derived).",
        "pricing": {
          "amount": "0.02",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": [
          {
            "group": "query",
            "name": "address",
            "type": "string",
            "description": "",
            "example": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "Web3 Tools",
        "tags": [
          "solana",
          "address",
          "base58",
          "ed25519",
          "pda"
        ],
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "1"
        }
      },
      {
        "url": "https://web3-tools.x402tookit.com/tx-hash-check",
        "description": "Recognise what a transaction id looks like (EVM hash, Bitcoin txid, Solana signature) from format alone, and flag typos.",
        "pricing": {
          "amount": "0.02",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": [
          {
            "group": "query",
            "name": "id",
            "type": "string",
            "description": "",
            "example": "0x88df016429689c079f3b2f6ad39fa052532c56795b733da78a91ebe6a713944b",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "Web3 Tools",
        "tags": [
          "transaction",
          "txid",
          "hash",
          "signature",
          "format"
        ],
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "1"
        }
      },
      {
        "url": "https://web3-tools.x402tookit.com/unit-convert",
        "description": "Exact unit conversion for crypto amounts: wei, gwei, ether, lamports, SOL, satoshis, BTC or a token with N decimals.",
        "pricing": {
          "amount": "0.02",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": [
          {
            "group": "query",
            "name": "amount",
            "type": "string",
            "description": "",
            "example": "1.5",
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "query",
            "name": "unit",
            "type": "string",
            "description": "",
            "example": "ether",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "Web3 Tools",
        "tags": [
          "wei",
          "gwei",
          "lamports",
          "satoshi",
          "decimals"
        ],
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "1"
        }
      }
    ],
    "integrationType": "",
    "isNew": false,
    "priceSummary": {
      "minAmount": "0.02",
      "maxAmount": "0.02",
      "avgCostPerTransaction": "0.02",
      "avgCostBasis": "exact",
      "currency": "USDC"
    },
    "serviceName": "Web3 Tools",
    "tags": [
      "bitcoin",
      "address",
      "bech32",
      "base58check",
      "taproot",
      "caip",
      "chain-id",
      "wallet",
      "multichain",
      "calldata",
      "abi",
      "evm",
      "transaction",
      "decode",
      "create2",
      "create",
      "contract",
      "deployment",
      "ens",
      "namehash",
      "eip-137",
      "ethereum",
      "eip-55",
      "checksum",
      "solidity",
      "selector",
      "event-topic",
      "hex",
      "utf8",
      "integer",
      "bytes32",
      "keccak",
      "hash",
      "sha3",
      "solana",
      "base58",
      "ed25519",
      "pda",
      "txid",
      "signature",
      "format",
      "wei",
      "gwei",
      "lamports",
      "satoshi",
      "decimals"
    ],
    "iconUrl": ""
  }
}