BlockonomicsAPI Reference
GET/searchhistoryAuth required

Get transaction history for wallet addresses

Returns the transaction history for one or more Bitcoin addresses or xpubs, treating them as part of the same wallet.

Key Points: - Returns up to 200 most recent transactions - Transactions sorted by time (newest first) - Pending: transactions with < 2 confirmations - Values can be negative (outgoing) or positive (incoming) - When fiat_currency is provided, confirmed transactions include historical fiat values at transaction time

Requires Bearer token authentication. Include Authorization: Bearer YOUR_API_KEY in the request header.

Query Parameters

addrstringrequired

Space-separated list of Bitcoin addresses and/or xpubs

fiat_currencystring enumdefault: "USD"

Fiat currency code (e.g., USD, EUR) used to calculate and include historical fiat values of confirmed transactions at the time they occurred.

Responses

pendingarray[]

Unconfirmed transactions (< 2 confirmations)

historyarray[]

Confirmed transactions (2+ confirmations)

You must log in to Blockonomics to send request.

addrquery · stringrequired

Space-separated list of Bitcoin addresses and/or xpubs

fiat_currencyquery · string

Fiat currency code (e.g., USD, EUR) used to calculate and include historical fiat values of confirmed transactions at the time they occurred.

Response will appear here