Here you can see in which API products contain this API is a partAPI. With the Assign to API product button, you can add it to other API products.
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In the first column you will see the display name and the image of the API product. In Deployed On, you can see in which environments this API product is deployed. The current API is therefore also deployed there. Visibility describes the general visibility of the API product and Published whether it is visible in the Developer Portal.