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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 2026-09-14).
Fetches the on-chain transaction receipt (status, gas used, and metadata) for a given transaction hash on Base, Polygon, Arbitrum, Optimism, or Ethereum.
Price / call$0.002
Success—
StatusUnknown
How this service works
Cheap, factual EVM chain lookups priced per call in USDC. Base, Polygon, Arbitrum, Optimism and Ethereum.
Output
Returns a JSON object containing the transaction hash, chain name, a boolean indicating whether the transaction was found, a status field ('success' or failure indicator), and the amount of gas used by the transaction.
Example use cases
Confirm DeFi swap completed
“I just submitted a swap on Uniswap on Polygon — the tx hash is 0x9b8a7c6d5e4f3a2b1c0d9e8f7a6b5c4d3e2f1a0b. Did it succeed and how much gas did it cost?”
Verify NFT mint transaction
“Check if my NFT mint transaction 0x1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f went through on Ethereum — I need to know the status before I list it for sale.”
Debug failed Arbitrum transfer
“Transaction 0xdeadbeef1234567890abcdef1234567890abcdef1234567890abcdef12345678 on Arbitrum seems stuck — can you pull the receipt and tell me if it failed or succeeded?”
Technical details
Endpoint
GEThttps://multichain-rpc.clankerceo.workers.dev/tx-receiptWhen to prefer
Choose this endpoint when you need a cheap, per-call, pay-as-you-go receipt lookup across the five major EVM chains (Base, Polygon, Arbitrum, Optimism, Ethereum) without managing your own RPC node or API keys. Ideal for AI agents that need to verify transaction finality or gas usage programmatically and pay in USDC at $0.002 per call.
Side effects
- Transaction hash not found on the specified chain (found: false)
- Invalid or malformed transaction hash returns an error
- Unsupported chain identifier causes a bad request
- Network timeout or RPC node unavailability
- Payment failure (x402 payment required, insufficient USDC balance)
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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