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Base Mainnet Transaction Inspector
x402
Base Mainnet Transaction Inspector is a paid API for AI agents from apiacre.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-14).
Inspects a Base mainnet transaction and its receipt together, returning execution outcome, confirmations, actual fee paid, decoded calldata, and recognized ERC-20 transfer events including official Base USDC identification.
Price / call$0.005
Success—
StatusUnknown
How this service works
Inspect Base transaction status and receipt evidence in one call, including success, revert, or pending state, confirmations, actual gas fee, recognized calldata, bounded ERC-20-shaped transfers, and official Base USDC recognition for payment confirmation.
Output
Returns a combined view of the transaction and its receipt: execution status (success/failure), block number, confirmation count, actual gas fee in ETH, decoded calldata with recognized function signatures, and a bounded list of ERC-20-shaped transfer events with official Base USDC identification where applicable.
Example use cases
Verify USDC payment confirmation
“Check Base transaction 0xd4f8e2... for me — did it succeed, and did it transfer USDC? I need the actual amount moved and how many confirmations it has so far.”
Debug failed on-chain transaction
“This Base tx hash 0x7c3a91... seems to have failed — can you pull up the full execution outcome, the receipt, and decode the calldata so I can figure out what went wrong?”
Audit gas fees for a Base transfer
“Look up Base transaction 0xb2d55f... and tell me the exact gas fee that was actually paid, plus the full breakdown of any token transfer events it triggered.”
Technical details
Endpoint
POSThttps://apiacre.com/v1/crypto/base-transaction-inspectWhen to prefer
Choose this endpoint when you need a unified, enriched view of a single Base mainnet transaction that goes beyond raw RPC data — specifically when you want confirmed fee data, decoded calldata, ERC-20 transfer event extraction, and official USDC recognition in one call rather than assembling multiple RPC calls yourself.
Side effects
- Transaction hash not found on Base mainnet — returns 404 or empty result
- Malformed or invalid transaction hash format — returns validation error
- Transaction is pending and not yet mined — receipt unavailable
- Calldata cannot be decoded if ABI is not recognized — returns raw bytes
- Rate limiting or upstream Base RPC node unavailability — returns 503
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| transaction_hash | string |
Output
Schema · Response
{
"type": "json",
"example": {
"data": {
"block": {
"hash": "0x3333333333333333333333333333333333333333333333333333333333333333",
"number": 34567890,
"timestamp": "2026-08-10T16:00:00+00:00",
"confirmations": 5,
"transactionIndex": 7
},
"found": true,
"mined": true,
"source": "https://docs.base.org/base-chain/quickstart/connecting-to-base",
"network": "eip155:8453",
"outcome": "success",
"receipt": {
"status": 1,
"gasUsed": 51234,
"outcome": "success",
"cumulativeGasUsed": 2100000,
"effectiveGasPriceWei": "10000000"
},
"disclaimer": "Public Base mainnet execution data only; no identity, ownership, intent, coun...",
"explorerUrl": "https://basescan.org/tx/0x222222222222222222222222222222222222222222222222222...",
"transaction": {
"to": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"from": "0x1111111111111111111111111111111111111111",
"nonce": 42,
"value": {
"eth": "0",
"wei": "0"
},
"gasLimit": 65000
},
"observedAtBlock": 34567894,
"transactionHash": "0x2222222222222222222222222222222222222222222222222222222222222222"
},
"meta": {
"cached": false,
"sources": [],
"warnings": [],
"duration_ms": 42,
"next_actions": []
},
"service": "crypto.base-transaction-inspect",
"version": "1",
"request_id": "018f1f54-7f38-7ba2-8dc3-5f90272d9f1a"
}
}Tags
x402
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