How to sniff the traffic of the Instagram web application?

Development | Mobile Apps
I apologize for the crookedly formulated question, he is a complete ignoramus on this topic.
In the Instagram web application, there is a"Follow" button, I need to find out to which address it sends the request(there will be something like https://instagram.com/api/v1/relationships/)
How is this possible and is it even possible?
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Open Developer Tools in the browser and see.Requests, addresses, headers, URLs, cookies.
There you can also issue a mobile device.

on January 14th, 2020 (10:11 pm)
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