Retrieve a list of invoices with optional filters like status, date range, or contact ID.
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
Filter invoices by status (e.g., draft, sent, paid, void)
Filter invoices by contact/customer
Start of invoice issue date range (ISO 8601 format)
End of invoice issue date range (ISO 8601 format)
List of invoices