← The evidence ledger
Evidence row 60679
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://a-upgradenet.com/x402/base-balance
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 900ee85c84de06f15f017ce203d475e2f9912389455b52d00342d316c15291ef
- Leaf
- 0x6b41334b7a248bd59390f6c71fd87096de6bf7c0fc9fa913a7e6e7eaf8277408
What was observed
{
"endpoints": [
[
"x402",
"https://a-upgradenet.com/x402/base-balance"
]
],
"name": "a-un",
"owner_address": "0xbdae34e121dff6da6fbb71208322e8be0a923512",
"raw": {
"accepts": [
{
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "eip3009",
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 900,
"network": "eip155:8453",
"payTo": "0xBdae34e121dFf6Da6fbB71208322E8BE0A923512",
"scheme": "exact"
}
],
"description": "Base Wallet Balance: ETH and ERC-20 balances (USDC by default, up to 10 tokens) of any address on Base mainnet. $0.001 per call.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"address": "0x4200000000000000000000000000000000000006",
"tokens": [
"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"address": "0x…",
"block_number": "21000000",
"chain": "base",
"eth": "0.0123",
"eth_wei": "12300000000000000",
"status": "completed",
"tokens": [
{
"address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"balance": "25.5",
"decimals": 6,
"raw": "25500000",
"symbol": "USDC"
}
]
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"address": {
"description": "0x address on Base.",
"type": "string"
},
"tokens": {
"description": "ERC-20 contract addresses. Defaults to Base USDC.",
"items": {
"type": "string"
},
"maxItems": 10,
"type": "array"
}
},
"required": [
"address"
],
"type": "object"
},
"bodyType": {
"enum": [
"json"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-25T21:58:37.734Z",
"quality": {
"l30DaysTotalCalls": 7,
"l30DaysUniquePayers": 5,
"lastCalledAt": "2026-10-25T21:58:37.434Z"
},
"resource": "https://a-upgradenet.com/x402/base-balance",
"serviceName": "a-un",
"tags": [
"base",
"blockchain",
"balance",
"wallet",
"erc20"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Base Wallet Balance: ETH and ERC-20 balances (USDC by default, up to 10 tokens) of any address on Base mainnet. $0.001 per call."
}What the leaf hashes
{"body":"900ee85c84de06f15f017ce203d475e2f9912389455b52d00342d316c15291ef","id":60679,"kind":"listing","method":"baseline/1","observed_us":1793025449164033,"prev":null,"subject":"x402_bazaar:https://a-upgradenet.com/x402/base-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).
- 0x6b4132e103eba00016a176da7af0fad076250bc5e1fc4cf36417ba91373e7c14
- 0xcad48f94972d59024061633b4acf30630081c43e7dbe65e2a0c65e8ab8802d7e
- 0xe77e7d99af2af4e17824bd99a44c246340d940af67ec9d76d5549c595d30e29f
- 0xa28d36b1a7a78dca6fa40f49c9037e79f38cdd55366d4ce0072e8fbc137c1e84
- 0x992d3a19effdc83e08f45f290d97d30c1626bc4f3adcd75b22978abca1fd4c5e
- 0xf738ffc73a7c9353abcae46a468842f24affb078867067a40c4569c0ca3c1ab2
- 0xa9e9fb496bf760d5163c1ebfafb0fa85828fd3be51491e76048e84b449706d52
- 0xd5cb9b3d28e975299f2ffa706d61f75916615beb9d2a7864230934bdbb9c32ef
- 0x7ab1748576384d15259c1f2ead1760a13b1fff6fb6a29bfe5432ebfb0c7d6014
- 0x87894636102384a23857842def741b3253d54af0afaff0b11e7117549ccd8002
- 0xdfaea4285192101e7ab6e8e71853c71cef08df31a416be7a9f92f34cf897e13e
- 0x2a304c51963b65e3ca818b638b2e9a98297b7d6b6a3e14ecca2501aa13b9f556
- 0x9dc4d6f64bc3c323d2c45a28209068cd473b6979bd632a0d694bf94d19bc39df
- 0xfc9b5a81a7a83a1c735a4fe64590beb9db14d2366f463161358af28c3ea9a81d
- 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
- 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae