Look up a Base Mainnet transaction
Look up a Base Mainnet transaction.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
272 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/tx
| 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 | 1 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 | $0.002 | 272 ms |
Example input (from the provider)
{
"body": {
"hash": "0x0000000000000000000000000000000000000000000000000000000000000000"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$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"
}