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Bitcoin Address Balance & Activity Lookup
x402
Bitcoin Address Balance & Activity Lookup is a paid API for AI agents from chain.openverbs.com, paid per call via x402, $0.006/call, status unknown (last checked 2026-09-15).
Returns confirmed balance, total received/sent, transaction count, and unconfirmed/pending mempool data for a given Bitcoin address.
Price / call$0.006
Success—
StatusUnknown
How this service works
Balance and activity for a Bitcoin address (base58 1…/3… or bech32 bc1…): confirmed balance (sats and BTC), total received and sent, confirmed transaction count, and unconfirmed/pending value and tx count from the mempool. On-chain ground truth an agent cannot compute locally.
Output
Returns an object containing: confirmed balance in satoshis and BTC, total received and sent amounts, confirmed transaction count, unconfirmed/pending balance value, and unconfirmed transaction count sourced directly from live on-chain and mempool data.
Example use cases
Verify incoming Bitcoin payment
“Can you check whether Bitcoin address 1A1zP1eP5QGefi2DMPTfTL5SLmv7Divfna has received any confirmed transactions and what the current confirmed balance is?”
Monitor wallet before withdrawal
“Before I send funds, can you look up the confirmed balance and any pending unconfirmed amounts for the Bitcoin address 3J98t1WpEZ73CNmQviecrnyiWrnqRhWNLy so I can see its current state?”
Audit Bitcoin address activity
“I need to audit this Bitcoin address — bc1qar0srrr7xfkvy5l643lydnw9re59gtzzwf5mdq — can you tell me the total received, total sent, confirmed transaction count, and any unconfirmed mempool balance?”
Technical details
Endpoint
POSThttps://chain.openverbs.com/v1/btc-addressWhen to prefer
Use this endpoint when you need authoritative, live on-chain Bitcoin address data including both confirmed balance and mempool-pending state — data that cannot be computed locally. Prefer this over blockchain explorer scraping or wallet-local estimates when ground-truth accuracy matters, such as payment verification, wallet auditing, or balance checks before executing transactions.
Side effects
- Invalid or malformed Bitcoin address returns a validation error
- Address not found on-chain returns zeroed balances (never transacted)
- Network connectivity issues to the Bitcoin node may cause timeouts
- Very new addresses not yet indexed may show no data
- Payment failure (402) if USDC balance is insufficient
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Tags
x402
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