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TraceFast Ethereum Transaction by Hash
x402
TraceFast Ethereum Transaction by Hash is a paid API for AI agents from mpp.tracefast.xyz, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-12).
Fetches full details of a single Ethereum transaction by its hash, including sender, recipient, value, gas, fees, receipt outcome, and block position.
Price / call$0.005
Success—
StatusUnknown
How this service works
TraceFast live Ethereum data: one transaction by hash — sender, recipient, value, nonce, type, gas limit and gas used, the fee fields of its type and the price actually paid per gas, the receipt's outcome and log count, and its position (block and index). Path hash: Transaction hash, `0x`-prefixed, 64 hex characters, any case. Docs: https://docs.tracefast.xyz/api/transaction.md
Output
Returns a structured object containing the transaction's sender and recipient addresses, ETH value, nonce, type, gas limit, gas used, type-specific fee fields (e.g. maxFeePerGas, maxPriorityFeePerGas for EIP-1559), effective gas price paid, receipt status (success/failure), number of logs emitted, block number, and transaction index within that block.
Example use cases
Verify DeFi trade execution
“I just submitted a swap on Uniswap — can you check transaction 0xabc123...def456 on Ethereum and tell me if it confirmed, how much gas it used, and what the final gas price was?”
Debug failed transaction
“My Ethereum transaction 0x7f3d9b2...1a4c8e0 seems to have failed — can you look it up and tell me the receipt outcome and how many logs were emitted?”
Audit token transfer details
“Can you fetch transaction 0x5d2a1b9...c3e7f04 on Ethereum and give me the sender, recipient, value sent, block it landed in, and its index within that block?”
Technical details
Endpoint
GEThttps://mpp.tracefast.xyz/api/v1/chains/1/transactions/:hash?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need comprehensive details about a single known Ethereum transaction — especially gas, fees, outcome, and block position — in one call. Prefer it over block-level or address-level endpoints when you already have the transaction hash and need the full receipt-plus-metadata picture. It covers EIP-1559 and legacy fee fields, making it suitable for gas cost audits, trade confirmation checks, and on-chain forensics.
Side effects
- Transaction hash not found or not yet indexed — returns 404 or empty result
- Malformed hash (wrong length, non-hex characters) — returns 400 validation error
- Transaction is pending and not yet mined — may return not found
- Network or provider outage — returns 5xx error
- Payment not included or insufficient — returns 402 Payment Required
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| input | — |
Tags
x402
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