Is there any option to integrate WhatsApp chat history backup option in my iOS application?

As we know, WhatsApp is providing back up option by default with iCloud and Google Drive. My question here is, any option or is it possible to provide a backup WhatsApp chat option in my application and once user agreed fetch the WhatsApp chat data and directly upload in to my application server. I meant provide an alternate option to user with my application for the backup and restore WhatsApp data. Please let me know. Thanks in advance