← The evidence ledger
Evidence row 1693
Observed , by baseline/1.
- Kind
- listing
- About
- source_record agentic_market:blockchain-api-x402-chain-tools-workers-dev
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- a84eb7e8070e1752f52943f4c6a018d24d5deeb1e667e7c1e0d23ef27fbe4fb5
- Leaf
- 0x1e0a9461cef53ba8b882cf23ba97b3fcc13859ba0a98f8ae2b7310d1db00ad05
What was observed
{
"endpoints": [
[
"x402",
"https://blockchain-api.x402-chain-tools.workers.dev/chain/allowance"
],
[
"x402",
"https://blockchain-api.x402-chain-tools.workers.dev/chain/balance"
],
[
"x402",
"https://blockchain-api.x402-chain-tools.workers.dev/chain/block"
],
[
"x402",
"https://blockchain-api.x402-chain-tools.workers.dev/chain/receipt"
],
[
"x402",
"https://blockchain-api.x402-chain-tools.workers.dev/chain/token-balance"
],
[
"x402",
"https://blockchain-api.x402-chain-tools.workers.dev/chain/transaction-lookup"
],
[
"x402",
"https://blockchain-api.x402-chain-tools.workers.dev/chain/transaction-receipt-status"
],
[
"x402",
"https://blockchain-api.x402-chain-tools.workers.dev/chain/tx"
],
[
"x402",
"https://blockchain-api.x402-chain-tools.workers.dev/chain/wallet-preflight"
]
],
"name": "blockchain-api.x402-chain-tools.workers.dev",
"owner_address": null,
"raw": {
"caip2_networks": [
"eip155:8453",
"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
],
"category": "",
"description": "",
"domain": "blockchain-api.x402-chain-tools.workers.dev",
"endpoints": [
{
"description": "Get the ERC-20 allowance from an owner to a spender.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "0x0000000000000000000000000000000000000001",
"group": "body",
"name": "owner",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "0x0000000000000000000000000000000000000003",
"group": "body",
"name": "spender",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "0x0000000000000000000000000000000000000002",
"group": "body",
"name": "token",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.001",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "x402 Chain Tools",
"tags": [
"x402",
"base",
"wallet",
"erc20"
],
"url": "https://blockchain-api.x402-chain-tools.workers.dev/chain/allowance"
},
{
"description": "Check the native ETH balance or gas balance of a Base wallet address. Use this to see how much Base ETH the wallet has.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "0x0000000000000000000000000000000000000001",
"group": "body",
"name": "address",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.001",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "3",
"l30DaysUniquePayers": "3"
},
"serviceName": "x402 Chain Tools",
"tags": [
"x402",
"base",
"wallet"
],
"url": "https://blockchain-api.x402-chain-tools.workers.dev/chain/balance"
},
{
"description": "Check the latest or current Base Mainnet block number. Use this to get the live Base block height.",
"method": "POST",
"parameters": [],
"pricing": {
"amount": "0.001",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "6",
"l30DaysUniquePayers": "5"
},
"serviceName": "x402 Chain Tools",
"tags": [
"x402",
"blockchain",
"base"
],
"url": "https://blockchain-api.x402-chain-tools.workers.dev/chain/block"
},
{
"description": "Get a Base transaction receipt and execution status.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "0x0000000000000000000000000000000000000000000000000000000000000000",
"group": "body",
"name": "hash",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.002",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "x402 Chain Tools",
"tags": [
"x402",
"blockchain",
"base",
"transactions"
],
"url": "https://blockchain-api.x402-chain-tools.workers.dev/chain/receipt"
},
{
"description": "Get an ERC-20 token balance for a Base address.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "0x0000000000000000000000000000000000000001",
"group": "body",
"name": "address",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "0x0000000000000000000000000000000000000002",
"group": "body",
"name": "token",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.001",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "x402 Chain Tools",
"tags": [
"x402",
"base",
"wallet",
"erc20"
],
"url": "https://blockchain-api.x402-chain-tools.workers.dev/chain/token-balance"
},
{
"description": "Lookup Base transaction by hash on Base Mainnet. Return sender, recipient, value, nonce, block, gas fields, and input data when found.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "0x0000000000000000000000000000000000000000000000000000000000000000",
"group": "body",
"name": "hash",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.002",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "3",
"l30DaysUniquePayers": "3"
},
"serviceName": "x402 Chain Tools",
"tags": [
"x402",
"blockchain",
"base",
"transactions"
],
"url": "https://blockchain-api.x402-chain-tools.workers.dev/chain/transaction-lookup"
},
{
"description": "Check Base transaction receipt status by transaction hash. Determine whether the transaction is pending, confirmed successful, or confirmed reverted, with receipt, block, and gas details.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "0x0000000000000000000000000000000000000000000000000000000000000000",
"group": "body",
"name": "hash",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.002",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "3",
"l30DaysUniquePayers": "3"
},
"serviceName": "x402 Chain Tools",
"tags": [
"transaction",
"receipt",
"status",
"confirmation",
"base"
],
"url": "https://blockchain-api.x402-chain-tools.workers.dev/chain/transaction-receipt-status"
},
{
"description": "Look up a Base Mainnet transaction.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "0x0000000000000000000000000000000000000000000000000000000000000000",
"group": "body",
"name": "hash",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.002",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "x402 Chain Tools",
"tags": [
"x402",
"blockchain",
"base",
"transactions"
],
"url": "https://blockchain-api.x402-chain-tools.workers.dev/chain/tx"
},
{
"description": "Check read-only ERC-20 wallet readiness for a planned token spend.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "10.5",
"group": "body",
"name": "amount",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "0x0000000000000000000000000000000000000003",
"group": "body",
"name": "spender",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "0x0000000000000000000000000000000000000002",
"group": "body",
"name": "token",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "0x0000000000000000000000000000000000000001",
"group": "body",
"name": "wallet",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.002",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "x402 Chain Tools",
"tags": [
"x402",
"base",
"ai-agents",
"wallet",
"erc20"
],
"url": "https://blockchain-api.x402-chain-tools.workers.dev/chain/wallet-preflight"
}
],
"enriched": false,
"iconUrl": "",
"id": "blockchain-api-x402-chain-tools-workers-dev",
"integrationType": "",
"isNew": false,
"name": "blockchain-api.x402-chain-tools.workers.dev",
"networks": [
"Base",
"solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp"
],
"priceSummary": {
"avgCostBasis": "exact",
"avgCostPerTransaction": "0.001556",
"currency": "USDC",
"maxAmount": "0.002",
"minAmount": "0.001"
},
"provider": "blockchain-api.x402-chain-tools.workers.dev",
"providerUrl": "",
"serviceName": "x402 Chain Tools",
"tags": [
"x402",
"base",
"wallet",
"erc20",
"blockchain",
"transactions",
"transaction",
"receipt",
"status",
"confirmation",
"ai-agents"
]
},
"source": "agentic_market",
"summary": ""
}What the leaf hashes
{"body":"a84eb7e8070e1752f52943f4c6a018d24d5deeb1e667e7c1e0d23ef27fbe4fb5","id":1693,"kind":"listing","method":"baseline/1","observed_us":1793025254582097,"prev":null,"subject":"agentic_market:blockchain-api-x402-chain-tools-workers-dev","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).
- 0x1e0af2be704642c2721a666df0e5153135f5f01b367420ff1c30d361ba9cd384
- 0x475a48748b3ccd203ab1cd4e0aa2b13635430c706c0210fbef382c0fe8c2c63b
- 0x303cbc1729575c4dc2046af0e994772cc94e721995d4c0c1c964a94ce0f5cbcc
- 0xfc3a26cce041a6969a6fb7e9011000d8981e09bc6ec55ca63903943b88dda70a
- 0xcbffde3e8e0ec29809df5c74e0fe5885dbbc3c2243d1cda30f7f4d6bb7b8d6d7
- 0x3171224b6ac459ddb308689faeb68dac9f79b0f2411600d3dc03939119f73403
- 0x66d5155a9e66a8fe41afe82db1980b0c55eef646652d428e96234088a670a66c
- 0xce9b7e4bdc738c6d62f33f45370fd61aac9fb9489d5121e97313de863e8b5047
- 0x39b8e29865fbd92f41416dc25108934c5310755d093e4bda1b3dbd6b131aaf6a
- 0x25369e64d1405d0c4e7fe9646ccf55bf37eedc440887efa43e03c57f5c2a6707
- 0xf0f77ed1d484625ddaf2f6e58baa64c9dec47a22b1a6beb91219a17bddac7dfa
- 0x8e3531af6dd328ff9a174dd19751228f67fa0773c68a89edf859dffbd7b098c3
- 0x42b0d9d5b53af5b0fe99cee10ce29fe484db78b92ce49f97190cc6d098651d47
- 0x9dfd312f3d4937f7cb144cee3987e8516f222932b4ea286605236d73cfa1ed16
- 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
- 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae