Look up one transaction on Base mainnet by hash
Look up one transaction on Base mainnet by hash: status (success, failed or pending), block, timestamp, confirmations, from/to, value, method id, gas used, effective gas price, fee split into L2 execution and L1 data fee (ETH and USD), contract created, and decoded ERC-20 Transfer events (token, symbol, from, to, amount; up to 20). Useful to confirm a payment landed. Read live from public Base RPC. All params optional: defaults to a confirmed USDC x402 payment. Unknown hash = 404, invalid...
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
GET https://quickbuild.quynguyenbac.workers.dev/api/base/tx
| Category | Code and developer |
|---|---|
| Provider host | quickbuild.quynguyenbac.workers.dev |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 0 from 0 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-21 | valid payment request | 402 | $0.002 | 31 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"hash": "0x20215b4a54f0a39995f3afbd748d7b52c3a1922685ddf08e5f694ea1e89b52bf"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"hash": {
"description": "Transaction hash (0x + 64 hex). Optional: defaults to 0x20215b4a54f0a39995f3afbd748d7b52c3a1922685ddf08e5f694ea1e89b52bf.",
"type": "string"
}
},
"required": [],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"blockNumber": {
"type": [
"integer",
"null"
]
},
"blockTimestamp": {
"type": [
"string",
"null"
]
},
"confirmations": {
"type": "integer"
},
"erc20Transfers": {
"items": {
"properties": {
"amount": {
"type": [
"string",
"null"
]
},
"from": {
"type": "string"
},
"symbol": {
"type": [
"string",
"null"
]
},
"to": {
"type": "string"
},
"token": {
"type": "string"
}
},
"type": "object"
},
"type": "array"
},
"fee": {
"properties": {
"totalEth": {
"type": "string"
},
"usd": {
"type": [
"number",
"null"
]
}
},
"type": "object"
},
"from": {
"type": "string"
},
"gasUsed": {
"type": "integer"
},
"hash": {
"type": "string"
},
"methodId": {
"type": [
"string",
"null"
]
},
"status": {
"enum": [
"success",
"failed",
"pending"
],
"type": "string"
},
"to": {
"type": [
"string",
"null"
]
},
"valueEth": {
"type": "string"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}