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SiteCheck EVM Transaction Lookup
x402
SiteCheck EVM Transaction Lookup is a paid API for AI agents from api.sitecheck-api.workers.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-15).
Fetches full details of an EVM transaction by hash, including status, transfers, gas, fees, and token movements across Base, Ethereum, Arbitrum, Optimism, and Polygon.
Price / call$0.002
Success—
StatusUnknown
How this service works
Status, block, time, sender, recipient, value, gas used and fee (native and USD) of an EVM transaction, plus the ERC-20 Transfer events inside it (token, symbol, from, to, amount). A pending transaction returns status pending. Read over public RPC; a fallback node is used when the first refuses old receipts.
Output
A JSON object with the transaction hash, chain, block number, timestamp, from/to addresses, native value, status (success/failed/pending), gas used, effective gas price in Gwei, fee in USD and native token, an array of ERC-20 token transfers (each with from, to, token contract, symbol, raw and decimal amounts), any contract created, and data sources used.
Example use cases
Verify a crypto payment on-chain
“I just sent a payment and the hash is 0xc7657fcae2051e6dd46832150122adfe5b2e196eb50c8e667fdec36741c013cd on Base — can you confirm it went through and tell me what was transferred?”
Audit DeFi swap transaction details
“Pull up the details of this Arbitrum transaction 0xabc123...def456 — I want to see which tokens were swapped, the amounts, the gas used, and what it cost in USD.”
Debug a failed smart contract interaction
“Check transaction 0x123abc...789def on Ethereum for me — did it succeed or fail, and what was the gas used versus the gas limit?”
Technical details
Endpoint
GEThttps://api.sitecheck-api.workers.dev/api/evm/tx?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need comprehensive EVM transaction details — status, token transfers, gas costs, and USD fees — across Base, Ethereum, Arbitrum, Optimism, or Polygon, with a single pay-per-call request at $0.002 USDC. Prefer it over block explorer scraping for structured, machine-readable output, and over node RPC calls when you want decoded token transfers and USD fee conversion in one response.
Side effects
- Invalid or malformed transaction hash returns an error
- Transaction not found on the specified chain (wrong chain parameter)
- Unsupported chain name returns validation error
- RPC node temporarily unavailable causes a 5xx response
- Very recent transactions may not yet be indexed
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"to": "0x787fD1dc3b533171781e4Ae1A563c1AC7b4435E4",
"fee": {
"usd": 0.0086,
"native": 0.00000342
},
"from": "0x3cb6ad0990015522e60e21780f2802e2E927c08A",
"hash": "0xc7657fcae2051e6dd46832150122adfe5b2e196eb50c8e667fdec36741c013cd",
"time": "2026-10-14T04:46:39.000Z",
"block": 52581926,
"chain": "base",
"value": 0,
"source": "https://base-rpc.publicnode.com (eth_getTransactionByHash, eth_getTransactionReceipt, eth_getBlockByNumber, eth_call symbol and decimals); Coinbase spot price",
"status": "success",
"gasUsed": 683352,
"checkedAt": "2026-10-14T04:49:18.498Z",
"transfers": [
{
"to": "0xb2cc224c1c9feE385f8ad6a55b4d94E92359DC59",
"raw": "120177351931892428713",
"from": "0x787fD1dc3b533171781e4Ae1A563c1AC7b4435E4",
"token": "0x4200000000000000000000000000000000000006",
"amount": 120.17735193,
"symbol": "WETH"
},
{
"to": "0xb2cc224c1c9feE385f8ad6a55b4d94E92359DC59",
"raw": "829108023952",
"from": "0x787fD1dc3b533171781e4Ae1A563c1AC7b4435E4",
"token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": 829108.023952,
"symbol": "USDC"
}
],
"disclaimer": "Information only, not financial advice.",
"nativeSymbol": "ETH",
"contractCreated": null,
"effectiveGasPriceGwei": 0.005
}
}Tags
x402
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