How to get and use aliexpress api?

Question

API

Tell those who know about this issue - I'm interested in collecting information about the product from aliexpress, I didn't want to start with the information parser, but try to work "normally" with them, so I decided to immediately turn to api.
In the search I found that you need to register here - https://portals.aliexpress.com/
I registered, filled out the form, I'm waiting (5-10 days written) ...
Although it seems to me that I registered in the wrong place (maybe I'm wrong), like I understand that this is an affiliate program, that is, you will need to post their products on your site, not exactly ...
I need an api to control prices, quantities, etc. So tell me, am I moving in the right direction or not?
And if anyone has experience working with them, what are their limits on requests and all that ...