{"success":true,"message":"AI PDF to Excel Converter API","endpoints":{"POST \/":"Upload PDF file with \"pdf_file\" form field and optional \"extract_type\" (auto, mcq, general)","GET \/?action=download&file=FILENAME":"Download converted Excel file"},"parameters":{"extract_type":{"auto":"Auto detect content type","mcq":"Extract Multiple Choice Questions","general":"Extract general text line by line"}}}