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Base eth_getTransactionByHash
x402
Base eth_getTransactionByHash is a paid API for AI agents from api.arysphere.com, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-17).
Fetches a Base network transaction by its hash, returning full on-chain transaction details as returned by the node.
Price / call$0.003
Success—
StatusUnknown
How this service works
ARYSPHERE sells AI-written verdicts on Base token contracts (a grade, a one-liner, a roast and the contract's facts) and Base/Ethereum chain reads, paid per call in USDC on Base over x402 v2. No account and no API key.
Output
Returns the full transaction object as returned by the Base node: sender (from), recipient (to), value in wei, gas limit, gas price, raw input data, nonce, block number, transaction index, block hash, block timestamp, chain ID, access list, max fee per gas, max priority fee per gas, v/r/s signature components, and transaction type. Returns null result if the hash is unknown to the node.
Example use cases
Verify DeFi transaction on Base
“I just submitted a transaction on Base with hash 0xabc123...def456 — can you pull up the on-chain details and confirm it went through, including the sender, receiver, and block it landed in?”
Audit smart contract call input data
“Fetch the Base transaction 0xc43fe089e6e8de6c1bf47a65f74661323154af09655dbde2c7f728e768d864eb and show me the raw input data — I need to see exactly what function was called on the contract.”
Investigate suspicious Base transfer
“Look up Base transaction hash 0xd99f12...8ab7c on the blockchain and tell me the gas price paid, the nonce, and the exact value moved — I'm trying to figure out if this was our payment.”
Technical details
Endpoint
GEThttps://api.arysphere.com/v1/ventures/x402_chain_reads_v1/base_eth_gettransactionbyhash?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need the complete raw transaction record for a specific Base network transaction by hash — including input data, gas details, sender/recipient, and block context. Prefer this over bundle endpoints when you only need a single transaction lookup, and over Ethereum mainnet equivalents when the transaction is on Base L2 specifically.
Side effects
- Invalid or malformed hash (not 0x + 64 hex) causes an error response
- Unknown transaction hash returns null result field
- Node unavailability may cause timeout or service error
- Pending transactions not yet mined may return null
- Rate limiting or payment failure returns 402 error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"ok": true,
"chain": "base",
"method": "eth_getTransactionByHash",
"result": {
"r": "0x0",
"s": "0x0",
"v": "0x0",
"to": "0x4200000000000000000000000000000000000015",
"gas": "0xf4240",
"from": "0xdeaddeaddeaddeaddeaddeaddeaddeaddead0001",
"hash": "0x6ec0cc1f3124bc3b7f1f070d7c73d9ddb8104f79e2602d8cac4dbaa5f4c68ea9",
"mint": "0x0",
"type": "0x7e",
"input": "0x440a5e20000008dd00101c1200000000000000010000000067a893a300000000014cc642000000000000000000000000000000000000000000000000000000002ef4ebe10000000000000000000000000000000000000000000000000000000000000002b33f335e3b4b340df7b2a9c0ac482043223a17",
"nonce": "0x18f1bb9",
"value": "0x0",
"yParity": "0x0",
"gasPrice": "0x0",
"blockHash": "0xae1326b8087866a6df875ef2388f57a91a16fccc5714e9fa5d66425f7677e7b3",
"sourceHash": "0x41af957a0405b7d317013d73271f2f39554782d4967d4ec6fd39a34fd5ba42bb",
"blockNumber": "0x18f1bb8",
"blockTimestamp": "0x67a89453",
"transactionIndex": "0x0",
"depositReceiptVersion": "0x1"
},
"service": "x402_chain_reads_v1.base_eth_gettransactionbyhash"
}
}Tags
x402
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