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Polygon PoS Transaction Lookup
x402
Polygon PoS Transaction Lookup is a paid API for AI agents from onchaincheck.dev, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-29).
Returns a human-readable summary of a Polygon PoS transaction including status, block, sender/recipient, POL value, gas details, method selector, and decoded ERC-20 token transfers.
Price / call$0.005
Success—
StatusUnknown
How this service works
Human-readable summary of a Polygon PoS transaction: status, block and time, sender and recipient, POL value, gas used and fee, method selector, and decoded ERC-20 transfers with token symbols and amounts.
Output
A JSON object containing: transaction hash, chain identifier ('polygon'), status (success/failure), block number, ISO timestamp, sender address (from), recipient address (to), POL value transferred, gas used, transaction fee in POL, method selector, native token symbol, contract created (if any), and an array of decoded ERC-20 token transfers each with sender, recipient, token contract address, symbol, raw amount, and human-readable amount.
Example use cases
Confirm DeFi swap settlement
“I just did a USDC swap on Polygon — can you check transaction 0x0503a3c6b73ddb5d277a6aec2a2c7f598df5b19569217f637e9ca2e40271def9 and confirm it succeeded, how much USDC moved, and what the gas fee was?”
Audit ERC-20 transfer history
“Can you decode Polygon tx 0x0503a3c6b73ddb5d277a6aec2a2c7f598df5b19569217f637e9ca2e40271def9 and show me all the token transfers that happened, including the token symbols and amounts?”
Investigate a suspicious transaction
“Someone sent me a Polygon transaction hash 0x0503a3c6b73ddb5d277a6aec2a2c7f598df5b19569217f637e9ca2e40271def9 — can you tell me who the sender and recipient are, what the transaction did, and when it was confirmed?”
Technical details
Endpoint
GEThttps://onchaincheck.dev/polygon/tx?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a fully decoded, human-readable breakdown of a specific Polygon PoS transaction — especially when you need ERC-20 transfer decoding with token symbols and amounts. Prefer it over raw RPC calls (eth_getTransactionReceipt) when you want decoded token transfers, fee calculations, and a clean summary without parsing ABI logs yourself. Use it specifically for Polygon PoS; use sibling endpoints for Arbitrum One or Base transactions.
Side effects
- Invalid or malformed transaction hash format returns an error (hash must match ^0x[0-9a-fA-F]{64}$)
- Transaction hash not found on Polygon PoS returns a not-found error
- Network or RPC timeouts may cause intermittent failures
- Payment of $0.005 USDC required per call via x402; missing or invalid payment returns 402 status
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"to": "0x8F8eE35B440cB07FaF84BEE82FDD2bA3BFEEe5de",
"fee": "0.163217345365235611",
"from": "0xb1da6E546BD592218d6E849a8177d9D4fbf12986",
"hash": "0x0503a3c6b73ddb5d277a6aec2a2c7f598df5b19569217f637e9ca2e40271def9",
"chain": "polygon",
"value": "0",
"status": "success",
"gasUsed": 142361,
"timestamp": "2026-10-22T15:30:27.000Z",
"blockNumber": 95985104,
"nativeSymbol": "POL",
"methodSelector": "0xb61d27f6",
"tokenTransfers": [
{
"to": "0xAbB82896541FbFBb5f67f2Fbe6bAE5335c004e7B",
"raw": "70000000",
"from": "0x8F8eE35B440cB07FaF84BEE82FDD2bA3BFEEe5de",
"token": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"amount": "70",
"symbol": "USDC"
}
],
"contractCreated": null
}
}Tags
x402
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