Convert amounts between different currencies. Uses current rates by default, or historical rates for a specific date.
API key prefixed with sk_. Obtain from the Receiptor AI dashboard.
The amount to convert
The source currency code (e.g., 'USD', 'EUR', 'IDR')
The target currency code (e.g., 'USD', 'EUR', 'IDR')
Optional date for historical rates (YYYY-MM-DD format). Defaults to current rates if not provided.