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Bitcoin Transaction Trace API
x402
Bitcoin Transaction Trace API is a paid API for AI agents from api.relai.fi, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-14).
Traces a Bitcoin transaction by its transaction ID, returning detailed trace information about the transaction flow
Price / call$0.005
Success—
StatusUnknown
How this service works
Bitcoin transaction trace
Output
Returns a trace of the specified Bitcoin transaction, including inputs, outputs, and the flow of funds associated with the given transaction ID.
Example use cases
Example prompt
“Can you trace the Bitcoin transaction with txid a1b2c3d4e5f6... and show me where the funds came from and went?”
Technical details
Endpoint
GEThttps://api.relai.fi/relay/1780781322365/api/trace/{txid}When to prefer
Use this endpoint when you need to trace or inspect a specific Bitcoin transaction by its transaction ID, especially for blockchain forensics, payment verification, or fund-flow analysis on the Bitcoin network.
Side effects
- Invalid or malformed txid returns an error
- Transaction not found on-chain returns 404 or empty result
- Node connectivity issues may cause timeout or 5xx errors
- Unconfirmed or very recent transactions may not be traceable yet
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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