An API can be composed of APIs exposed by different services: OpenAPI Specification, SOAP API, API App, Function App, Logic App, Service Fabric.
To append a different API to your existing API, follow the steps below. Once you import another API, the operations are appended to your current API.
- Navigate to your APIM instance in the Azure portal.
- Select APIs from under API MANAGEMENT.
- Press ellipsis ". . ." next tp the API that you want to append another API to.
- Select Import from the drop-down menu.
- Select one of services from which you want to import an API.