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Txpost — Transaction Status on Base
x402
Txpost — Transaction Status on Base is a paid API for AI agents from oraclepost.higgsfield.app, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-18).
Looks up live transaction status on the Base blockchain by hash, returning success/failure, block number, gas used, effective gas price, from, and to addresses.
Price / call$0.001
Success—
StatusUnknown
How this service works
Status of a transaction on Base, read live: success or failure, block number, gas used, effective gas price, from, to. Pass ?hash=0x… (66 hex chars). Useful to confirm a payment or a call landed. No third-party API, no cache.
Output
Returns a JSON object with the transaction's execution status (success or failure), the block number it was included in, total gas used, effective gas price, sender address (from), and recipient address (to). Data is read live from the Base node with no caching, so it reflects the current canonical chain state.
Example use cases
Confirm a USDC payment landed
“I just sent a USDC payment on Base and the hash is 0x7f3a9d2e1c4b5f6a0d8e2c3b4a5f6d7e8c9b0a1b2c3d4e5f6a7b8c9d0e1f2a3b — can you check if it went through successfully and tell me the block number?”
Debug a failed smart contract call
“My contract interaction on Base might have failed — the transaction hash is 0x1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f5a6b7c8d9e0f1a2b. Can you check the status and let me know how much gas was consumed?”
Audit gas cost for a recent transaction
“What was the effective gas price and total gas used for Base transaction 0x9c8b7a6f5e4d3c2b1a0f9e8d7c6b5a4f3e2d1c0b9a8f7e6d5c4b3a2f1e0d9c8b? I'm trying to understand what I actually paid in fees.”
Technical details
Endpoint
GEThttps://oraclepost.higgsfield.app/api/txWhen to prefer
Use this endpoint when you need real-time, uncached confirmation of a specific Base transaction — particularly to verify payment receipt, confirm a contract call executed, or audit gas costs. It is preferable over block explorer scraping because it returns structured JSON with no third-party intermediary or cache lag. Choose it over wallet balance endpoints when you need transaction-level detail rather than account-level state.
Side effects
- Invalid or malformed hash (not 66 hex chars) returns an error
- Transaction not yet mined returns not-found or pending state
- Hash for a transaction on a different chain (not Base) will return no result
- Network node unavailability may cause transient failures
- Payment failure (x402) if USDC balance is insufficient
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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