Lookup Base transaction by hash on Base Mainnet
Lookup Base transaction by hash on Base Mainnet. Return sender, recipient, value, nonce, block, gas fields, and input data when found.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
353 msmedian answer time
$0.002listed price per call
$0.002price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://blockchain-api.x402-chain-tools.workers.dev/chain/transaction-lookup
| Category | Everything else |
|---|---|
| Provider host | blockchain-api.x402-chain-tools.workers.dev |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.002 | 353 ms |
Example input (from the provider)
{
"body": {
"hash": "0x0000000000000000000000000000000000000000000000000000000000000000"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$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"
}