This menu option has 6 suboptions, this menu option is a handy tool, with everything for the API connection. This might be more for your development team, but the information is available for every user. 

If you are connected via an application like Shopify or Woocommerce, this would already be set for you, and you do not have to do anything with this.

The 4 suboptions:

Image 27-12-2022 at 09.42