Evidence row 75352

Observed 26 Oct 2026, 14:38 UTC, by baseline/1.

Kind: listing
About: source_record x402_bazaar:https://flat-rate-llm.kikoribera03.workers.dev/v1/evm/balance
Recorded: 26 Oct 2026, 14:38 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: d1215462bc480cc9af55b6dde855fc0bfd492234b7416fd135eca78bb54094bb
Leaf: 0xc4eb274b682400df801594046657654d69a5064db4290017d3d8b4f292552422

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://flat-rate-llm.kikoribera03.workers.dev/v1/evm/balance"
    ]
  ],
  "name": "EVM native balance",
  "owner_address": "0xc210ea7d5692a6401adf25bbcb7acde9cdb7e9ff",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xc210Ea7D5692a6401ADf25BbCB7aCDe9cDB7e9Ff",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xc210Ea7D5692a6401ADf25BbCB7aCDe9cDB7e9Ff",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xc210Ea7D5692a6401ADf25BbCB7aCDe9cDB7e9Ff",
        "scheme": "exact"
      }
    ],
    "description": "Use when an agent has to decide whether a wallet can pay before building a transaction: the native coin balance (ETH, MATIC...) of any address on Base, Ethereum, Polygon, Arbitrum or Optimism, returned both as wei (exact integer string) and as ether, with the chain it was read on. Do not use for token balances (/v1/evm/erc20-balance) or for a whole-wallet view (/v1/evm/portfolio). Flat price, no rate limits, no API key, no account.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
              "chain": "base"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "address": "0xd8dA...",
              "chain": "eip155:8453",
              "ether": 1.23456789,
              "wei": "1234567890"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "address": {
                      "description": "0x-prefixed address to look up.",
                      "type": "string"
                    },
                    "chain": {
                      "description": "base | ethereum | polygon | arbitrum | optimism. Defaults to base.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "address"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-25T18:41:18.821Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-25T18:41:18.202Z"
    },
    "resource": "https://flat-rate-llm.kikoribera03.workers.dev/v1/evm/balance",
    "serviceName": "EVM native balance",
    "tags": [
      "wallet balance",
      "native balance",
      "balance",
      "eth balance",
      "evm"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Use when an agent has to decide whether a wallet can pay before building a transaction: the native coin balance (ETH, MATIC...) of any address on Base, Ethereum, Polygon, Arbitrum or Optimism, returned both as wei (exact integer string) and as ether, with the chain it was read on. Do not use for token balances (/v1/evm/erc20-balance) or for a whole-wallet view (/v1/evm/portfolio). Flat price, no rate limits, no API key, no account."
}

What the leaf hashes

{"body":"d1215462bc480cc9af55b6dde855fc0bfd492234b7416fd135eca78bb54094bb","id":75352,"kind":"listing","method":"baseline/1","observed_us":1793025490371154,"prev":null,"subject":"x402_bazaar:https://flat-rate-llm.kikoribera03.workers.dev/v1/evm/balance","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

0xc4eb48923b529bed9c59b76b7814a1bfd528fe9f17172200c72887fbb7e2eba7
0xf5687d160c29131abeda19bfc5d154e0305cd02043a365063bf767f25572ec65
0x2b775b403b8476f8034462da209fe6ceabb5ce26e780f462481b38d72a6f5a0e
0x816b1c994f812b1763044195710cb1e0ca8708dfa8f8d895b424b528a45c725d
0x3732c5b440661bd21821f7382aae4bc304fadc8abecead34945a58955d7c6e0d
0xf59dad295f20234a95ea00f7f8d81f6194c37c3b1a98ce73d63442a1aa833394
0x3642f1eb25329c301585b5c5bff0dfad19edb81cd21cd63ebcf2ae29c8a3c98d
0x6fed99a76ee0724afef8ecc49bf34485edceb5885cb977cccd078947604d2c96
0xefd18e61652a0f8f4eec75422a55aa67dab46013e02c2c584b5f7645b529a240
0xae71c3940eac3236f4c68fb44d25cc1262b73d017fd7c18fbff1248c2e850602
0x463fef738ef71a01d4aa9ac1c6836fcf6802cdaa7de01bbe42397d79d35d8671
0x4d1a020de7fc0aa076daeb62ebb904d51ac6c607b605eb63a7855f34d7b69f1b
0x641fba1f23ec69d96721e34ace1926954d835b9614cb5eae215a069c056399b8
0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004
0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON