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title description services documentationcenter author manager editor ms.service ms.workload ms.tgt_pltfrm ms.custom ms.topic ms.date ms.author
Import and publish your first API in Azure API Management
Learn how to import an OpenAPI Specification API into Azure API Management and test your API in the Azure portal.
api-management
mikebudzynski
cfowler
api-management
mobile
na
mvc
tutorial
04/20/2020
apimpm

Import and publish your first API

This tutorial shows how to import an OpenAPI Specification backend API in JSON format into Azure API Management. Microsoft provides the backend API and hosts it on Azure at https://conferenceapi.azurewebsites.net?format=json.

Once you import the backend API into API Management, your API Management API becomes a facade for the backend API. You can customize the facade to your needs in API Management without touching the backend API. For more information, see Transform and protect your API.

In this tutorial, you learn how to:

[!div class="checklist"]

  • Import an API into API Management
  • Test the API in the Azure portal

New API

Prerequisites

[!INCLUDE api-management-navigate-to-instance.md]

Import and publish a backend API

This section shows how to import and publish an OpenAPI Specification backend API.

  1. In the left navigation of your API Management instance, select APIs from the API Management section.

  2. Select the OpenAPI tile, and then select Full on the pop-up screen.

  3. On the Create from OpenAPI specification screen, use the values from the following table to create your API.

    A red star next to a field on the form indicates that the field is required. You can set API values during creation or later by going to the Settings tab.

    Create an API

    Setting Value Description
    OpenAPI specification https://conferenceapi.azurewebsites.net?format=json The service implementing the API. API management forwards requests to this address.
    Display name After you enter the preceding service URL, API Management fills out this field based on the JSON. The name displayed in the developer portal.
    Name After you enter the preceding service URL, API Management fills out this field based on the JSON. A unique name for the API.
    Description After you enter the preceding service URL, API Management fills out this field based on the JSON. An optional description of the API.
    URL scheme HTTPS Which protocols can be used to access the API.
    API URL suffix conference The suffix appended to the base URL for the API Management service. API Management distinguishes APIs by their suffix, so the suffix must be unique for every API for a given publisher.
    Tags Tags for organizing APIs for searching, grouping, or filtering.
    Products Unlimited Association of one or more APIs. Each API Management instance comes with two sample products: Starter and Unlimited. You publish an API by associating the API with a product, Unlimited in this example.
    You can include several APIs in a product and offer them to developers through the developer portal. To add this API to another product, type or select the product name. Repeat this step to add the API to multiple products. You can also add APIs to products later from the Settings page.
    To get access to the API, developers must first subscribe to a product. When they subscribe, they get a subscription key that's good for any API in that product.
    If you created the API Management instance, you're an administrator already, so you're subscribed to every product in the instance.
    Gateways Managed API gateway(s) that expose the API. This field is available only in Developer and Premium tier services.
    Managed gateway indicates the gateway built-into the API Management service and hosted by Microsoft in Azure. Other gateways are self-hosted gateways and are available only in the Premium and Developer service tiers. You can deploy them in on premises or in other clouds.
    If no gateways are selected, the API won't be available and your API requests won't succeed.
    Version this API? Select or deselect For more information about versioning, see Publish multiple versions of your API.

    [!NOTE] To publish the API to API consumers, you must associate it with a product.

  4. Select Create.

If you have problems importing an API definition, see the list of known issues and restrictions.

Test the new API in the Azure portal

You can call API operations directly from the Azure portal, which provides a convenient way to view and test the operations.

  1. In the left navigation of your API Management instance, select APIs from the API Management section, and then select Demo Conference API.

  2. Select the Test tab, and then select GetSpeakers. The page shows Query parameters and Headers, if any. The Ocp-Apim-Subscription-Key is filled in automatically for the subscription key associated with this API.

  3. Select Send.

    Test API map

    The back end responds with 200 OK and some data.

Next steps

In this tutorial, you learned how to:

[!div class="checklist"]

  • Import your first API
  • Test the API in the Azure portal

Advance to the next tutorial to learn how to create and publish a product:

[!div class="nextstepaction"] Create and publish a product