No matter where you are in the API Management, the Create button is always displayed at the bottom right and opens the creation menu.
Click Create API to add a new API.
A wizard will guide you through the creation process.
In the first step, select the organization in which the API should be created.
Since APIs can only be managed within an organization, you can also create a new API from the empty API tab of an organization details page. Simply use the link Click here to create a new API.
In that case, the organization is already set in the wizard.
In the next step, you need to enter the following mandatory settings:
Name: Enter a name. The name is not changeable after creation.