addrbookFor publishers
← The evidence ledger

Evidence row 853

Observed , by baseline/1.

Kind
listing
About
source_record agentic_market:api-cortexcloud-org
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
758f431b4b92ce69e8258da5cfefe7beb427b402279b7472b770cee2e0915068
Leaf
0xba38202332622b6875aa6d377291a32d2a9dfe5698974e6a57844ea16aa36de4

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.cortexcloud.org/v1/aggregate/balances"
    ],
    [
      "x402",
      "https://api.cortexcloud.org/v1/aggregate/nfts"
    ],
    [
      "x402",
      "https://api.cortexcloud.org/v1/aggregate/prices"
    ],
    [
      "x402",
      "https://api.cortexcloud.org/v1/aggregate/tx-history"
    ],
    [
      "x402",
      "https://api.cortexcloud.org/v1/data/block"
    ],
    [
      "x402",
      "https://api.cortexcloud.org/v1/data/cross-chain-compare"
    ],
    [
      "x402",
      "https://api.cortexcloud.org/v1/data/gas-oracle"
    ],
    [
      "x402",
      "https://api.cortexcloud.org/v1/data/nft-ownership"
    ],
    [
      "x402",
      "https://api.cortexcloud.org/v1/data/token-balances"
    ],
    [
      "x402",
      "https://api.cortexcloud.org/v1/data/token-intel"
    ],
    [
      "x402",
      "https://api.cortexcloud.org/v1/data/token-price"
    ],
    [
      "x402",
      "https://api.cortexcloud.org/v1/data/token-risk"
    ],
    [
      "x402",
      "https://api.cortexcloud.org/v1/data/tx-history"
    ],
    [
      "x402",
      "https://api.cortexcloud.org/v1/data/wallet-intel"
    ],
    [
      "x402",
      "https://api.cortexcloud.org/v1/data/whale-alerts"
    ]
  ],
  "name": "api.cortexcloud.org",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "api.cortexcloud.org",
    "endpoints": [
      {
        "description": "Batch ERC-20 balances for many addresses (Alchemy). x402-paid, USDC on Base.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": [],
            "group": "body",
            "name": "addresses",
            "required": false,
            "type": "array"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "ethereum",
            "group": "body",
            "name": "chain",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.004",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "4",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "CortexCloud",
        "tags": [
          "onchain",
          "crypto",
          "blockchain",
          "data",
          "x402"
        ],
        "url": "https://api.cortexcloud.org/v1/aggregate/balances"
      },
      {
        "description": "Batch NFT ownership across addresses (Alchemy). x402-paid, USDC on Base.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": [],
            "group": "body",
            "name": "addresses",
            "required": false,
            "type": "array"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "ethereum",
            "group": "body",
            "name": "chain",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.004",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "3",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "CortexCloud",
        "tags": [
          "onchain",
          "crypto",
          "blockchain",
          "data",
          "x402"
        ],
        "url": "https://api.cortexcloud.org/v1/aggregate/nfts"
      },
      {
        "description": "Batch spot USD prices for many tokens (CoinGecko). x402-paid, USDC on Base.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": [],
            "group": "body",
            "name": "ids",
            "required": false,
            "type": "array"
          }
        ],
        "pricing": {
          "amount": "0.004",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "3",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "CortexCloud",
        "tags": [
          "onchain",
          "crypto",
          "blockchain",
          "data",
          "x402"
        ],
        "url": "https://api.cortexcloud.org/v1/aggregate/prices"
      },
      {
        "description": "Batch normalized transfers across addresses (Alchemy). x402-paid, USDC on Base.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": [],
            "group": "body",
            "name": "addresses",
            "required": false,
            "type": "array"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "ethereum",
            "group": "body",
            "name": "chain",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 25,
            "group": "body",
            "name": "limit",
            "required": false,
            "type": "number"
          }
        ],
        "pricing": {
          "amount": "0.004",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "3",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "CortexCloud",
        "tags": [
          "onchain",
          "crypto",
          "blockchain",
          "data",
          "x402"
        ],
        "url": "https://api.cortexcloud.org/v1/aggregate/tx-history"
      },
      {
        "description": "Block by number or 'latest' on a chain (Alchemy). x402-paid, USDC on Base.",
        "method": "GET",
        "parameters": [],
        "pricing": {
          "amount": "0.004",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "5",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "CortexCloud",
        "tags": [
          "onchain",
          "crypto",
          "blockchain",
          "data",
          "x402"
        ],
        "url": "https://api.cortexcloud.org/v1/data/block"
      },
      {
        "description": "Compare one contract across chains (price, activity, deployment) in one call (Alchemy + CoinGecko). x402-paid.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": [],
            "group": "body",
            "name": "chains",
            "required": false,
            "type": "array"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
            "group": "body",
            "name": "contract",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.04",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "6",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "CortexCloud",
        "tags": [
          "onchain",
          "crypto",
          "blockchain",
          "data",
          "x402"
        ],
        "url": "https://api.cortexcloud.org/v1/data/cross-chain-compare"
      },
      {
        "description": "Current base fee + priority fee (gas price) for a chain (Alchemy). x402-paid, USDC on Base.",
        "method": "GET",
        "parameters": [],
        "pricing": {
          "amount": "0.004",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "6",
          "l30DaysUniquePayers": "3"
        },
        "serviceName": "CortexCloud",
        "tags": [
          "onchain",
          "crypto",
          "blockchain",
          "data",
          "x402"
        ],
        "url": "https://api.cortexcloud.org/v1/data/gas-oracle"
      },
      {
        "description": "NFTs owned by a wallet on a chain (Alchemy NFT API). x402-paid, USDC on Base.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "0x0000000000000000000000000000000000000000",
            "group": "body",
            "name": "address",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "ethereum",
            "group": "body",
            "name": "chain",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.004",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "4",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "CortexCloud",
        "tags": [
          "onchain",
          "crypto",
          "blockchain",
          "data",
          "x402"
        ],
        "url": "https://api.cortexcloud.org/v1/data/nft-ownership"
      },
      {
        "description": "ERC-20 token balances for a wallet on a chain (Alchemy Token API). x402-paid, USDC on Base.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "0x0000000000000000000000000000000000000000",
            "group": "body",
            "name": "address",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "ethereum",
            "group": "body",
            "name": "chain",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.004",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "4",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "CortexCloud",
        "tags": [
          "onchain",
          "crypto",
          "blockchain",
          "data",
          "x402"
        ],
        "url": "https://api.cortexcloud.org/v1/data/token-balances"
      },
      {
        "description": "Flagship token intelligence: deployment, metadata, spot price, 24h change, optional age/liquidity/market-cap, and recent activity. Each fact carries its source, a checked_at timestamp, and explicit missing-data indicators. Alchemy + CoinGecko. x402-paid, USDC on Base.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "ethereum",
            "group": "body",
            "name": "chain",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "usd-coin",
            "group": "body",
            "name": "coin_id",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
            "group": "body",
            "name": "contract",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.03",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "6",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "CortexCloud",
        "tags": [
          "onchain",
          "crypto",
          "blockchain",
          "data",
          "x402"
        ],
        "url": "https://api.cortexcloud.org/v1/data/token-intel"
      },
      {
        "description": "Spot USD price for a token/coin (CoinGecko where free tier suffices, else Alchemy). x402-paid.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "ethereum",
            "group": "body",
            "name": "id",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.004",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "29",
          "l30DaysUniquePayers": "3"
        },
        "serviceName": "CortexCloud",
        "tags": [
          "onchain",
          "crypto",
          "blockchain",
          "data",
          "x402"
        ],
        "url": "https://api.cortexcloud.org/v1/data/token-price"
      },
      {
        "description": "Token risk verdict (age, liquidity, contract checks, suspicious-transfer scan) with per-claim evidence. x402-paid.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "ethereum",
            "group": "body",
            "name": "chain",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "usd-coin",
            "group": "body",
            "name": "coin_id",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
            "group": "body",
            "name": "contract",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.02",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "11",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "CortexCloud",
        "tags": [
          "onchain",
          "crypto",
          "blockchain",
          "data",
          "x402"
        ],
        "url": "https://api.cortexcloud.org/v1/data/token-risk"
      },
      {
        "description": "Normalized transactions for an address on a chain (Alchemy Transfers API). x402-paid, USDC on Base.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "0x0000000000000000000000000000000000000000",
            "group": "body",
            "name": "address",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "ethereum",
            "group": "body",
            "name": "chain",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 25,
            "group": "body",
            "name": "limit",
            "required": false,
            "type": "number"
          }
        ],
        "pricing": {
          "amount": "0.004",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "4",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "CortexCloud",
        "tags": [
          "onchain",
          "crypto",
          "blockchain",
          "data",
          "x402"
        ],
        "url": "https://api.cortexcloud.org/v1/data/tx-history"
      },
      {
        "description": "Wallet profile: balances, holdings, recent activity, counterparty relationships (Alchemy). x402-paid.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
            "group": "body",
            "name": "address",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "ethereum",
            "group": "body",
            "name": "chain",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 25,
            "group": "body",
            "name": "limit",
            "required": false,
            "type": "number"
          }
        ],
        "pricing": {
          "amount": "0.006",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "6",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "CortexCloud",
        "tags": [
          "onchain",
          "crypto",
          "blockchain",
          "data",
          "x402"
        ],
        "url": "https://api.cortexcloud.org/v1/data/wallet-intel"
      },
      {
        "description": "Large-transfer / accumulation alerts for a wallet with tx hashes + timestamps (Alchemy). x402-paid.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
            "group": "body",
            "name": "address",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "ethereum",
            "group": "body",
            "name": "chain",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 50,
            "group": "body",
            "name": "limit",
            "required": false,
            "type": "number"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 100000,
            "group": "body",
            "name": "min_usd",
            "required": false,
            "type": "number"
          }
        ],
        "pricing": {
          "amount": "0.03",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "6",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "CortexCloud",
        "tags": [
          "onchain",
          "crypto",
          "blockchain",
          "data",
          "x402"
        ],
        "url": "https://api.cortexcloud.org/v1/data/whale-alerts"
      }
    ],
    "enriched": false,
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1792713080/bazaar-icons/2c8455b1b8a2ef6e.png",
    "id": "api-cortexcloud-org",
    "integrationType": "",
    "isNew": false,
    "name": "api.cortexcloud.org",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.011067",
      "currency": "USDC",
      "maxAmount": "0.04",
      "minAmount": "0.004"
    },
    "provider": "api.cortexcloud.org",
    "providerUrl": "",
    "serviceName": "CortexCloud",
    "tags": [
      "onchain",
      "crypto",
      "blockchain",
      "data",
      "x402"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"758f431b4b92ce69e8258da5cfefe7beb427b402279b7472b770cee2e0915068","id":853,"kind":"listing","method":"baseline/1","observed_us":1793025240733833,"prev":null,"subject":"agentic_market:api-cortexcloud-org","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0xba38331859f2cab71c066175a0ac79613b7e382dae0284133232e2645d4bfbaf
  2. 0x39a389e45fc286c2697b5117eb3e3058a46698b3edf9b270baa304a179dfcd72
  3. 0x8bdd8b0806fd1d377eae96e89cb345e54a0056facd9d6912ca3cd210512d9f18
  4. 0x784f0fff3894f75af4ef159e073c4e1ceefede5f0b163ef44426f82d20ab9974
  5. 0xd262829145f2d6a65bd0d032f50676b5b049d4c1e55369ef52570d7b4af5ab4c
  6. 0xdcc65577909a970a244e350d011eb2a80a84c84804568c83c2505be65328b22b
  7. 0x78d5703ff08998f3ce984c6221154ef6e642742c749904cd14c47e05ebafcd00
  8. 0x35c10a21115c901b099331e9d16640eff4e982e73a6d4b21de7cbe538ccba336
  9. 0x1c0b9e7c7d798708a72a4b95083b47daf3ea559cec400efcfabfc8fe92988260
  10. 0xdd4be627d1b063bd616b9a615efea7de87d552756726682d7d4d9d9e1ddb4856
  11. 0xd0a8fcd7581320df765e293ac18ecdb0c84895304e75682f6c130e9b5c6b0ed8
  12. 0x1a61f9ab4a9304db8146c466be341271a345718ebf06b718e0f0dd9f347d2fbd
  13. 0x2f43fe2b2533a5f40c107c114e458e226102f5f8ae91f097e964345880e30928
  14. 0xf692ce2b0a640ec9f75aa960e5fb1c2c7091a04e24881798735752c19014e519
  15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
  16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
  17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON