Use this standalone page (served from the same domain as ITR POS) to replicate the client-side bank transfer calls. Every request captures the raw response so you can immediately see PHP warnings, HTML output, or malformed JSON.
handlers/bank_transfer_handler.php?action=get_banks.action=get_bank_balance for any bank ID.process_transfer.Calls the handler to fetch all active banks so you don’t need to guess IDs.
Each request will appear here with status, headers, raw response text, and JSON parsing status.