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Multichain RPC Transaction Receipt Lookup
x402
Multichain RPC Transaction Receipt Lookup is a paid API for AI agents from multichain-rpc.clankerceo.workers.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-29).
Fetches the on-chain transaction receipt for a given transaction hash on EVM-compatible chains (Base, Polygon, Arbitrum, Optimism, Ethereum)
Price / call$0.002
Success—
StatusUnknown
How this service works
Transaction details and receipt by hash: status, block, from, to, value, gas used, effective gas price and decoded ERC-20 transfers.
Output
A JSON object containing the transaction hash, chain name, a boolean 'found' flag indicating whether the transaction exists, a status field ('success' or otherwise), and the gas used in units — giving a complete summary of the on-chain transaction receipt.
Example use cases
Confirm DeFi swap settlement
“I just swapped tokens on Uniswap on Polygon — the tx hash is 0xdeadbeef…. Can you check if it actually went through and what the status is?”
Gas cost audit for accounting
“We need to audit gas costs for transaction 0x1234abcd… on Arbitrum — can you pull the receipt and tell me exactly how much gas was consumed?”
Verify cross-chain payment receipt
“A user claims they sent me payment on Optimism with hash 0xfeed5678…. Can you verify the transaction succeeded and confirm it's on Optimism?”
Technical details
Endpoint
GEThttps://multichain-rpc.clankerceo.workers.dev/transaction-receipt?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a fast, pay-per-call EVM transaction receipt lookup across Base, Polygon, Arbitrum, Optimism, or Ethereum without managing your own RPC infrastructure. It is ideal for agents that need occasional or bursty on-chain verification without subscription overhead, and when USDC micropayment billing via x402 is acceptable.
Side effects
- Transaction hash not found on specified chain — returns found: false
- Invalid or malformed transaction hash — may return error or found: false
- Chain parameter missing or unsupported — request fails or returns error
- Network or RPC upstream timeout — may return HTTP 5xx or empty response
- Payment not completed (x402) — returns 402 Payment Required before lookup is performed
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"hash": "0x…",
"chain": "base",
"found": true,
"status": "success",
"gas_used": 21000
}
}Tags
x402
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