Integrations are composed of two cooperating entities. The Integration Account and Integration functions.
Integration Accounts store credentials and configurations for certain APIs. Same as in Accounts, the user type "Admin" is able to set up an Integration Account and define with which workspaces the Integration Account is shared with. Depending on the API, the Integration Account stores different sets of configuration details, like token, secrets or keys.
In every App you find an "Integration Account" menu. Select the Account you want to be used in an App. The respective integration functions will now use the credentials set in that specific account.
The specific configurations and functions for the integrations are described in: