I’m trying to understand the difference between the two APIs and how I can use both.

Currently, when I open the settings of my sub-account, I can only see the API key. I don’t see the client ID or client secret. Does this mean that I’m using API v1? I was able to successfully retrieve data using Postman with the v1 path and the API key.

How can I switch to using v2? Do I need to obtain the client ID and client secret for that? Is there anything else required? Where can I find all this information?

Thank you very much!