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PitCrew Transaction Explainer
x402
PitCrew Transaction Explainer is a paid API for AI agents from pitcrew-api.appin60.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-18).
Explains why a blockchain transaction failed by decoding the revert reason, error signature, and method called for a given transaction hash on supported EVM networks.
Price / call$0.01
Success—
StatusUnknown
How this service works
Why did my transaction fail? Give a chain and tx hash; get status, decoded method, gas used vs limit, fee, token transfers, events and, for failed transactions, the decoded revert reason (Error(string), Panic codes, custom errors resolved by signature) with a plain-language fix. Pending transactions get a stuck-transaction diagnosis (nonce gap, underpriced fee) and the replace/cancel recipe. Chains: ethereum, base, arbitrum, optimism, polygon, bsc.
Output
Returns a JSON object containing: the name and arguments of the method that was called, the revert details (kind such as 'custom error' or 'require', and the error signature), the transaction status ('failed' or 'success'), and a human-readable summary sentence explaining what happened. Example: {method, revert: {kind, signature}, status, summary}.
Example use cases
Debug failed DeFi contract call
“My Arbitrum transaction 0xabc123...def456 just failed and I have no idea why — can you decode the revert reason and explain what went wrong with the contract call?”
Diagnose NFT mint revert on Base
“My NFT mint transaction on Base failed with hash 0x1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f5a6b7c8d9e0f1234 — what custom error caused the revert?”
Explain DAO governance tx failure
“A governance transaction on Ethereum with hash 0xdeadbeef1234567890abcdef1234567890abcdef1234567890abcdef12345678 reverted — can you decode what method was called and why it was rejected?”
Technical details
Endpoint
GEThttps://pitcrew-api.appin60.com/tx/explain?utm_source=zero.xyzWhen to prefer
Choose this endpoint when an AI agent or developer needs a plain-language explanation of why a specific EVM transaction failed, including decoding custom Solidity errors and identifying the called method. Ideal for automated debugging pipelines, smart contract development workflows, or DeFi bots that need to interpret on-chain failures programmatically. Supports Ethereum, Base, Arbitrum, Optimism, Polygon, and BSC. At $0.01 USDC per call via x402, it is well-suited for pay-per-use agent workflows where transactions are debugged on demand rather than in bulk.
Side effects
- Invalid or malformed transaction hash (must be 0x-prefixed 64 hex chars) returns an error
- Transaction not found on the specified chain returns a not-found error
- Unsupported chain name returns a validation error
- Network RPC unavailable for the requested chain causes a timeout or 503
- Transaction with no revert data may return limited explanation
- Payment not received (x402) returns 402 Payment Required before processing
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"method": "submitRecord(uint256,uint256,uint256,uint256,bytes)",
"revert": {
"kind": "custom error",
"signature": "RecordAlreadyExists(uint256)"
},
"status": "failed",
"summary": "Failed calling submitRecord(...): custom error RecordAlreadyExists(uint256)."
}
}Tags
x402
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