← The evidence ledger
Evidence row 74973
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://evmstate.com/v1/state-batch/100
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 12eca910e84713fe96c810cd0c7cdedf723b319d9d2661160dc0e09fdc0998ef
- Leaf
- 0x09e00a0a156e8ee6b6f01d32d52bb59be99496a1150d07a07b9f9f3cfe559e13
What was observed
{
"endpoints": [
[
"x402",
"https://evmstate.com/v1/state-batch/100"
]
],
"name": "EVM State Batch",
"owner_address": "0xf33aee5d3c11153bbf1cfb076d0793de52f573e8",
"raw": {
"accepts": [
{
"amount": "150000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xF33aEE5D3c11153BbF1cFb076d0793DE52F573e8",
"scheme": "exact"
}
],
"description": "Read-only EVM state API for wallet snapshots, ERC-20 balances, token allowances, contract code, block heights, and bounded eth_call reads across Ethereum, Base, Arbitrum, Optimism, and Polygon. Fixed price: $0.15 USDC on Base for a batch of up to 100 checks. Only submitted checks run. Results are provider-reported RPC data, not cryptographic proofs.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"checks": [
{
"address": "0x0000000000000000000000000000000000000000",
"chain": "ethereum",
"id": "ethereum-native-balance",
"type": "native_balance"
},
{
"address": "0x0000000000000000000000000000000000000000",
"chain": "base",
"id": "base-native-balance",
"type": "native_balance"
},
{
"address": "0x0000000000000000000000000000000000000000",
"chain": "arbitrum",
"id": "arbitrum-native-balance",
"type": "native_balance"
},
{
"address": "0x0000000000000000000000000000000000000000",
"chain": "optimism",
"id": "optimism-native-balance",
"type": "native_balance"
},
{
"address": "0x0000000000000000000000000000000000000000",
"chain": "polygon",
"id": "polygon-native-balance",
"type": "native_balance"
}
],
"requestId": "12345678-1234-4234-9234-123456789abc"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"expiresAt": "2026-11-01T00:00:00.000Z",
"recoveryUrl": "https://evmstate.com/v1/results/12345678-1234-4234-9234-123456789abc",
"requestId": "12345678-1234-4234-9234-123456789abc",
"results": [
{
"blockNumber": "0x18e456e",
"chain": "ethereum",
"id": "ethereum-native-balance",
"type": "native_balance",
"value": "0x0"
},
{
"blockNumber": "0x31a5006",
"chain": "base",
"id": "base-native-balance",
"type": "native_balance",
"value": "0x0"
},
{
"blockNumber": "0x1e729abb",
"chain": "arbitrum",
"id": "arbitrum-native-balance",
"type": "native_balance",
"value": "0x0"
},
{
"blockNumber": "0x965919b",
"chain": "optimism",
"id": "optimism-native-balance",
"type": "native_balance",
"value": "0x0"
},
{
"blockNumber": "0x5a67efe",
"chain": "polygon",
"id": "polygon-native-balance",
"type": "native_balance",
"value": "0x0"
}
],
"snapshotBlocks": {
"arbitrum": "0x1e729abb",
"base": "0x31a5006",
"ethereum": "0x18e456e",
"optimism": "0x965919b",
"polygon": "0x5a67efe"
},
"verification": "each result is a successful JSON-RPC response"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"checks": {
"description": "Only these checks run. Each check needs a unique id and supported chain. For a five-chain wallet snapshot, create one native_balance check for each supported chain using the same wallet address. The discovery example uses the valid all-zero address; replace it with the target wallet. Token and allowance checks need the token and spender targets already identified by the calling task.",
"items": {
"oneOf": [
{
"properties": {
"address": {
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"block": {
"pattern": "^0x[0-9a-fA-F]{1,64}$",
"type": "string"
},
"chain": {
"enum": [
"ethereum",
"base",
"arbitrum",
"optimism",
"polygon"
],
"type": "string"
},
"id": {
"pattern": "^[a-zA-Z0-9_-]{1,64}$",
"type": "string"
},
"type": {
"const": "native_balance"
}
},
"required": [
"id",
"chain",
"type",
"address"
],
"type": "object"
},
{
"properties": {
"block": {
"pattern": "^0x[0-9a-fA-F]{1,64}$",
"type": "string"
},
"chain": {
"enum": [
"ethereum",
"base",
"arbitrum",
"optimism",
"polygon"
],
"type": "string"
},
"id": {
"pattern": "^[a-zA-Z0-9_-]{1,64}$",
"type": "string"
},
"owner": {
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"token": {
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"type": {
"const": "erc20_balance"
}
},
"required": [
"id",
"chain",
"type",
"token",
"owner"
],
"type": "object"
},
{
"properties": {
"block": {
"pattern": "^0x[0-9a-fA-F]{1,64}$",
"type": "string"
},
"chain": {
"enum": [
"ethereum",
"base",
"arbitrum",
"optimism",
"polygon"
],
"type": "string"
},
"id": {
"pattern": "^[a-zA-Z0-9_-]{1,64}$",
"type": "string"
},
"owner": {
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"spender": {
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"token": {
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"type": {
"const": "allowance"
}
},
"required": [
"id",
"chain",
"type",
"token",
"owner",
"spender"
],
"type": "object"
},
{
"properties": {
"address": {
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"block": {
"pattern": "^0x[0-9a-fA-F]{1,64}$",
"type": "string"
},
"chain": {
"enum": [
"ethereum",
"base",
"arbitrum",
"optimism",
"polygon"
],
"type": "string"
},
"id": {
"pattern": "^[a-zA-Z0-9_-]{1,64}$",
"type": "string"
},
"type": {
"const": "contract_code"
}
},
"required": [
"id",
"chain",
"type",
"address"
],
"type": "object"
},
{
"properties": {
"chain": {
"enum": [
"ethereum",
"base",
"arbitrum",
"optimism",
"polygon"
],
"type": "string"
},
"id": {
"pattern": "^[a-zA-Z0-9_-]{1,64}$",
"type": "string"
},
"type": {
"const": "block_number"
}
},
"required": [
"id",
"chain",
"type"
],
"type": "object"
},
{
"properties": {
"block": {
"pattern": "^0x[0-9a-fA-F]{1,64}$",
"type": "string"
},
"chain": {
"enum": [
"ethereum",
"base",
"arbitrum",
"optimism",
"polygon"
],
"type": "string"
},
"data": {
"maxLength": 8194,
"pattern": "^0x(?:[0-9a-fA-F]{2})*$",
"type": "string"
},
"id": {
"pattern": "^[a-zA-Z0-9_-]{1,64}$",
"type": "string"
},
"to": {
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"type": {
"const": "eth_call"
}
},
"required": [
"id",
"chain",
"type",
"to",
"data"
],
"type": "object"
}
]
},
"maxItems": 100,
"minItems": 1,
"type": "array"
},
"requestId": {
"description": "Generate a fresh UUIDv4 for each new request and retain it to recover the exact paid result. The Bazaar example UUID is illustrative; replace it before calling.",
"pattern": "^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-4[0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}$",
"type": "string"
}
},
"required": [
"requestId",
"checks"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"description": "Illustrative five-chain snapshot response. Block heights and values in this example are placeholders; live values are returned from the RPC providers when the request runs.",
"properties": {
"expiresAt": {
"type": "string"
},
"recoveryUrl": {
"type": "string"
},
"requestId": {
"type": "string"
},
"results": {
"items": {
"properties": {
"blockNumber": {
"type": "string"
},
"chain": {
"type": "string"
},
"id": {
"type": "string"
},
"type": {
"type": "string"
},
"value": {}
},
"required": [
"id",
"chain",
"type",
"blockNumber",
"value"
],
"type": "object"
},
"type": "array"
},
"snapshotBlocks": {
"additionalProperties": {
"type": "string"
},
"type": "object"
},
"verification": {
"type": "string"
}
},
"required": [
"requestId",
"results",
"snapshotBlocks",
"verification",
"recoveryUrl",
"expiresAt"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-05T04:55:09.249Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-05T04:55:08.705Z"
},
"resource": "https://evmstate.com/v1/state-batch/100",
"serviceName": "EVM State Batch",
"tags": [
"evm",
"wallet",
"multi-chain",
"token",
"allowance"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Read-only EVM state API for wallet snapshots, ERC-20 balances, token allowances, contract code, block heights, and bounded eth_call reads across Ethereum, Base, Arbitrum, Optimism, and Polygon. Fixed price: $0.15 USDC on Base for a batch of up to 100 checks. Only submitted checks run. Results are provider-reported RPC data, not cryptographic proofs."
}What the leaf hashes
{"body":"12eca910e84713fe96c810cd0c7cdedf723b319d9d2661160dc0e09fdc0998ef","id":74973,"kind":"listing","method":"baseline/1","observed_us":1793025489890747,"prev":null,"subject":"x402_bazaar:https://evmstate.com/v1/state-batch/100","subject_kind":"source_record"}Proof
Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.