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Explorer Gateway API – Ethereum Transaction Lookup
x402
Explorer Gateway API – Ethereum Transaction Lookup is a paid API for AI agents from api.blockchain.info, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-30).
Fetches detailed Ethereum transaction data by transaction ID, optionally including ERC-20 token transfers
Price / call$0.001
Success—
StatusUnknown
How this service works
Paid AI-agent access to Blockchain.com Explorer API
Output
Returns a JSON object containing detailed Ethereum transaction data including sender, receiver, value, gas, block confirmation status, and optionally a list of ERC-20 token transfer events (token address, from, to, and amount) found within that transaction.
Example use cases
Verify incoming ETH payment
“Check Ethereum transaction 0xabc123...def456 on Blockchain.com's explorer and confirm whether it's been confirmed and how much ETH was transferred.”
Audit ERC-20 token transfers in a tx
“Look up Ethereum transaction 0x9f8e...c72b and show me all the ERC-20 token transfers that happened inside it — I need to know which tokens moved and to which addresses.”
Debug failed DeFi transaction
“Fetch the full details of Ethereum transaction 0x3d1a...88bc from the Blockchain.com explorer so I can see what happened and why it might have failed.”
Technical details
Endpoint
POSThttps://api.blockchain.info/explorer-gateway-kt/x402/eth/transaction?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need authoritative, on-chain Ethereum transaction data from Blockchain.com's explorer infrastructure, especially when you also need ERC-20 token transfer details within a single call. Prefer this over generic RPC nodes when you want structured, human-readable transaction metadata without running your own node.
Side effects
- Invalid or malformed txId returns an error response
- Transaction not found on the specified network returns 404 or empty result
- Unsupported network value causes a validation error
- Missing required txId field causes a 400 bad request
- Payment not fulfilled (x402 protocol) results in 402 Payment Required
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| txId | string | |
| network | string | |
| transfers | boolean | When true, includes the token (ERC-20) transfers found in this transaction |
Output
Schema · Response
{
"type": "json",
"format": "application/json"
}Tags
x402
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