← The evidence ledger
Evidence row 60904
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://agent-data-tools.revmesh2074.workers.dev/base/token-balance
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 4f1a35c6c56c4846ec69b5236169df251bdce468497ad1dda0de048ce526b3ec
- Leaf
- 0x0ec261d2d98371658f89d8e9ae9e14b7e85b9dbc32e1abd5a283ee804d50b5bc
What was observed
{
"endpoints": [
[
"x402",
"https://agent-data-tools.revmesh2074.workers.dev/base/token-balance"
]
],
"name": "Base ERC-20 balance",
"owner_address": "0x2074c40346ae2a90e0e4a391bcee6f16bf5277f5",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x2074C40346Ae2A90e0E4A391bceE6F16BF5277f5",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0x2074C40346Ae2A90e0E4A391bceE6F16BF5277f5",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0x2074C40346Ae2A90e0E4A391bceE6F16BF5277f5",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "82wfSCZhCmZA7zwqqt6Q3FG8nqYBwUvbThP6M97fa9Q6",
"scheme": "exact"
}
],
"description": "ERC-20 token balance of a wallet on Base (USDC, USDT, WETH or any token, via balanceOf): raw amount, decimals, symbol and the human-readable amount, live from the token contract. Use to check stablecoin or token holdings before a transfer or trade; for the native coin use base_balance. Both inputs are 0x addresses (40 hex characters); no contract returns 404 and a non-ERC-20 contract 422, both uncharged.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
"token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
},
"type": "http"
},
"output": {
"example": {
"address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
"balance": "2.5",
"chain": "Base",
"chainId": 8453,
"decimals": 6,
"raw": "2500000",
"symbol": "USDC",
"token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"address": {
"description": "0x wallet address",
"examples": [
"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
],
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"token": {
"description": "Token: a ticker such as USDC, USDT, WETH or DAI, or the 0x ERC-20 contract address",
"examples": [
"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
],
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
}
},
"required": [
"token",
"address"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"address": {
"type": "string"
},
"balance": {
"type": "string"
},
"chain": {
"type": "string"
},
"chainId": {
"type": "number"
},
"decimals": {
"type": "number"
},
"raw": {
"type": "string"
},
"symbol": {
"type": "string"
},
"token": {
"type": "string"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"a": "bc_09e30bdm"
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"a": {
"description": "App builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"s": {
"description": "Service builder codes",
"items": {
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"maxItems": 11,
"type": "array"
},
"w": {
"description": "Wallet builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
}
},
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1792567527/bazaar-icons/a67d2da18841a325.png",
"lastUpdated": "2026-10-22T16:11:04.584Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-22T16:11:04.11Z"
},
"resource": "https://agent-data-tools.revmesh2074.workers.dev/base/token-balance",
"serviceName": "Base ERC-20 balance",
"tags": [
"base",
"erc20",
"token",
"balance",
"blockchain"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "ERC-20 token balance of a wallet on Base (USDC, USDT, WETH or any token, via balanceOf): raw amount, decimals, symbol and the human-readable amount, live from the token contract. Use to check stablecoin or token holdings before a transfer or trade; for the native coin use base_balance. Both inputs are 0x addresses (40 hex characters); no contract returns 404 and a non-ERC-20 contract 422, both uncharged."
}What the leaf hashes
{"body":"4f1a35c6c56c4846ec69b5236169df251bdce468497ad1dda0de048ce526b3ec","id":60904,"kind":"listing","method":"baseline/1","observed_us":1793025449747647,"prev":null,"subject":"x402_bazaar:https://agent-data-tools.revmesh2074.workers.dev/base/token-balance","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).
- 0x0ec1e0089ea8e3c18b5e4d898002b73d1e32af4d6077068cc8ce2eb0b8c4d58a
- 0xa5de7d8a04ff0f4714c8a9597fd5374d0fb18c53c25bfe0bcab944549408851a
- 0x9b515a9faff6b8be0460c80d793c30bc1be9ac65abf3819ec9531f832618f0d2
- 0x9f664f69184535698c883e7abd3309e682912e2a3509162060adc5cd9496d32e
- 0x2f7bfd8673b38c25a119ae1d66933e9b17738669c1cd702280e30aed43e09c8e
- 0xc99e824a80e3413a70f1db70e6ac2a1b3e6bbbaa5fc7e5e0b2a78207e49a5bb7
- 0x1b166c4e57713af1d2934152f222a407d8fc7fd383b0a44d0e2116f7698c51fc
- 0x39c993aee2a5428d6a0c92ddbb1ef8996dcb2fc69064c931cbadde141c775e27
- 0x061f864aa82c22129e1031b68ea919327e35db597f44b1fc37a1f37afe9f7869
- 0x71ffcb65a88e86a1eb62c2f563421c7dd09940039307ac72165f6ab3e008aaa6
- 0x1e6a5f0042a4b7776e54cf79ce729b60eac17c4eb209cc9613fcd31c9fa0d26c
- 0x129649b2ec48fbc611fb055c3f5627bda42692beb65d09e853d75bcda4e06239
- 0x294f7935f78a896b5f246a7c9a7ee1b023720acdb03fff3cd549c63479848ec9
- 0xb49e8c2564256e5322e375cb619d9ac70fd17c1d1eba9c991bba4cb6428f45cc
- 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
- 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae