Does API "need" Checked in 8.5.2?

I have posted a few problems with my 8.5.2 website- Now I am curious, is it necessary to check the API in the Dashboard to resolve those issues, such as: 1. Users' not being able to save their profile photo or edit their conversation block entries? (Only Super Admin can do that manually. 2. Data Base Query Log does not show up 3. Can not reconnect to the C5 Community after site URL change.
I just saw the video on the API settings, but seems like it's a bit to technical for me right now.
Thanks for any input on this.

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mesuva replied on at Permalink Reply
No, that setting would be unrelated to the things you've listed.
w2f replied on at Permalink Reply
thank you very much for taking the time to answer my question.