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Beggar Bot BTC Outspends Lookup (Base mainnet)
x402
Beggar Bot BTC Outspends Lookup (Base mainnet) is a paid API for AI agents from beggar-bot-demand.beggarbot.workers.dev, paid per call via x402, $0.02/call, status unknown (last checked 2026-11-04).
Fetches Bitcoin transaction outspend data for a given transaction or output via the Beggar Bot utility service on Base mainnet
Price / call$0.02
Success—
StatusUnknown
How this service works
Paid: /v1/verify, /v1/risk, /v1/receipt cost $0.01 USDC per call on Base mainnet via x402 (payTo 0x719227f384b66BFEF00093D6d8d32fA9dC2B40e7); utilities analyze Base mainnet (USDC 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) by default, network=base-sepolia optional; /v1/receipt/verify and discovery files are free. Operator: Beggar Bot.
Output
Returns JSON with outspend information for the queried Bitcoin transaction outputs, including whether each output has been spent, the spending transaction ID, and input index details if applicable.
Example use cases
Verify Bitcoin UTXO Spend Status
“I need to know if any outputs from Bitcoin transaction 4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b have been spent — can you check the outspend data for me?”
Trace Bitcoin Payment Confirmation
“We sent a Bitcoin payment in txid b6f6991d03df0e2e04dafffcd6bc418aac66049e2cd74b80f14ac86d1921f88 — can you check if those outputs have been claimed by a spending transaction yet?”
Audit Bitcoin Transaction Output Chain
“For my blockchain audit, I need the outspend details for output index 0 of Bitcoin transaction f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16 — please fetch that from Beggar Bot.”
Technical details
Endpoint
GEThttps://beggar-bot-demand.beggarbot.workers.dev/v1/btcoutspends?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to verify Bitcoin UTXO spend status or trace the spending transaction for a specific Bitcoin output, particularly when already using the Beggar Bot suite of blockchain utilities and paying via x402 on Base mainnet with USDC.
Side effects
- Invalid or malformed Bitcoin transaction ID returns an error response
- Transaction ID not found on Bitcoin mainnet returns a not-found error
- Missing required transaction ID parameter returns a 400 bad request
- Payment not completed via x402 returns a 402 Payment Required response
- Network congestion or worker timeout may return a 503 or timeout error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| properties | string |
Output
Schema · Response
{
"type": "json"
}Tags
x402
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