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Blockchain Transaction Status Checker
x402
Blockchain Transaction Status Checker is a paid API for AI agents from x402-gateway-production-1f21.up.railway.app, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-10).
Looks up the status of a blockchain transaction by hash on Base or Ethereum networks
Price / call$0.001
Success—
StatusUnknown
How this service works
Machine-payable x402 utilities for hashing, Base64, UUID generation, unit and timezone conversion, realtime crypto market data, webpage/document extraction, URL-to-Markdown, metadata, RAG ingestion and deterministic website change detection.
Output
A JSON object containing a 'status' field (e.g. 'ready') indicating the current state of the specified blockchain transaction.
Example use cases
Confirming a USDC payment on Base
“I just sent a USDC payment on Base — the tx hash is 0x9d3e7f12abc456... — can you check if it's gone through yet?”
Verifying an Ethereum smart contract call
“Did my Ethereum transaction 0xabc123def456... get mined? I need to know if the contract call succeeded before I proceed.”
Polling payment receipt in an automated workflow
“After submitting the on-chain transaction with hash 0x77b2c9a1... on the Base network, check its status and tell me if it's ready or still pending.”
Technical details
Endpoint
POSThttps://x402-gateway-production-1f21.up.railway.app/chain/transaction-status?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a quick, machine-payable ($0.001 USDC) lookup of a single transaction's status on Base or Ethereum without setting up your own RPC node connection. Ideal for lightweight agent workflows that need to confirm payment or contract execution status.
Side effects
- Invalid or malformed tx_hash returns an error response
- Transaction not found on the specified network
- Network parameter mismatch (e.g. Ethereum hash queried on Base)
- Gateway timeout or Railway service unavailability
- Payment failure via x402 protocol blocks the request
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"status": "ready"
}
}Tags
x402
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