Look up a Base Mainnet transaction
Look up a Base Mainnet transaction.
2000 (raw units)
price
1
calls / 30d
1
unique payers
2026-09-01
updated
Provider
blockchain-api.x402-chain-tools.workers.dev · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0xa7e1fe3744E3b6D55237d95cE575cAFe3b8abeCD",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "2000",
"maxTimeoutSeconds": 300
},
{
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "5vX2u7mkwhxpvQYNA7SqmauJjkcfnxETQ6tKVZphzKyM",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"amount": "2000",
"maxTimeoutSeconds": 300
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"body": {
"hash": "0x0000000000000000000000000000000000000000000000000000000000000000"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"found": false,
"hash": "0x0000000000000000000000000000000000000000000000000000000000000000",
"network": "eip155:8453",
"ok": true,
"transaction": null
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"hash": {
"description": "Base Mainnet transaction hash.",
"pattern": "^0x[0-9a-fA-F]{64}$",
"type": "string"
}
},
"required": [
"hash"
],
"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": {
"additionalProperties": false,
"properties": {
"found": {
"type": "boolean"
},
"hash": {
"description": "Base Mainnet transaction hash.",
"pattern": "^0x[0-9a-fA-F]{64}$",
"type": "string"
},
"network": {
"const": "eip155:8453",
"type": "string"
},
"ok": {
"const": true,
"type": "boolean"
},
"transaction": {
"oneOf": [
{
"type": "null"
},
{
"additionalProperties": false,
"properties": {
"block_number": {
"oneOf": [
{
"type": "null"
},
{
"pattern": "^[0-9]+$",
"type": "string"
}
]
},
"from": {
"description": "Transaction sender.",
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"gas": {
"pattern": "^[0-9]+$",
"type": "string"
},
"gas_price": {
"pattern": "^[0-9]+$",
"type": "string"
},
"hash": {
"description": "Base Mainnet transaction hash.",
"pattern": "^0x[0-9a-fA-F]{64}$",
"type": "string"
},
"input": {
"pattern": "^0x(?:[0-9a-fA-F]{2})*$",
"type": "string"
},
"max_fee_per_gas": {
"pattern": "^[0-9]+$",
"type": "string"
},
"max_priority_fee_per_gas": {
"pattern": "^[0-9]+$",
"type": "string"
},
"nonce": {
"pattern": "^[0-9]+$",
"type": "string"
},
"to": {
"oneOf": [
{
"type": "null"
},
{
"description": "Transaction recipient.",
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
}
]
},
"transaction_index": {
"oneOf": [
{
"type": "null"
},
{
"pattern": "^[0-9]+$",
"type": "string"
}
]
},
"value_wei": {
"pattern": "^[0-9]+$",
"type": "string"
}
},
"required": [
"hash",
"from",
"to",
"value_wei",
"nonce",
"block_number",
"transaction_index",
"gas",
"input"
],
"type": "object"
}
]
}
},
"required": [
"ok",
"network",
"hash",
"found",
"transaction"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
}Use it
curl
curl "https://blockchain-api.x402-chain-tools.workers.dev/chain/tx" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://blockchain-api.x402-chain-tools.workers.dev/chain/tx");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://blockchain-api.x402-chain-tools.workers.dev/chain/tx")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/8171.json, and this resource appears in /discovery/resources and /discovery/search.