How does claiming something work?

Question

Django

How does the confirmation of the claim condition take place, that is, for example, in order to get cookies, you need to subscribe to instagram and link ava to VK, how to implement this, maybe there are libraries for this?

Answer 1

1. Using the instagram api, they check if a person has liked a photo.
2. Using vk api check /* action */
3. Get a cookie