← The evidence ledger
Evidence row 60681
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://a-upgradenet.com/x402/base-token
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 255db7f6e3e0e205375b34db44e0c77f264e234df128ac080fd4a2ace10c18df
- Leaf
- 0xb823bc57f85388abb4f3f39a8b00af7cd4b02fd7005a0cdba918525ac12a5a27
What was observed
{
"endpoints": [
[
"x402",
"https://a-upgradenet.com/x402/base-token"
]
],
"name": "a-un",
"owner_address": "0xbdae34e121dff6da6fbb71208322e8be0a923512",
"raw": {
"accepts": [
{
"amount": "2000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "eip3009",
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 900,
"network": "eip155:8453",
"payTo": "0xBdae34e121dFf6Da6fbB71208322E8BE0A923512",
"scheme": "exact"
}
],
"description": "Base Token Info: name, symbol, decimals, total supply and contract check for any ERC-20 on Base mainnet. $0.002 per call.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"chain": "base",
"decimals": 6,
"is_contract": true,
"is_erc20": true,
"name": "USD Coin",
"status": "completed",
"symbol": "USDC",
"total_supply": "4000000000.0",
"total_supply_raw": "4000000000000000"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"address": {
"description": "ERC-20 contract address on Base.",
"type": "string"
}
},
"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": "2026-10-25T11:39:58.401Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 3,
"lastCalledAt": "2026-10-25T11:39:58.168Z"
},
"resource": "https://a-upgradenet.com/x402/base-token",
"serviceName": "a-un",
"tags": [
"base",
"blockchain",
"token",
"erc20",
"metadata"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Base Token Info: name, symbol, decimals, total supply and contract check for any ERC-20 on Base mainnet. $0.002 per call."
}What the leaf hashes
{"body":"255db7f6e3e0e205375b34db44e0c77f264e234df128ac080fd4a2ace10c18df","id":60681,"kind":"listing","method":"baseline/1","observed_us":1793025449166308,"prev":null,"subject":"x402_bazaar:https://a-upgradenet.com/x402/base-token","subject_kind":"source_record"}Proof
Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.