Fetching data from WhatsApp web

Question

Am currently creating an application that will be able to fetch all data from my WhatsApp web page including messages and unsaved contacts but the problem is that WhatsApp web does store much data on the system even the page source has no connection with the information i am looking for. Please is there a way to download the a store of all data from the loaded page?

Answer 1

No program can get authenticated contents without authorized api.
WhatsApp doesn't have open api, it has business api which is a paid service.

Answer 2

Ethien the data is not easily accessible