Enter Azure API Management!.Īzure API Management acts as a first line front door that our users and client apps call into to interact with our processing resources in Azure such as our Functions that can serve back results (if need be), back through API Management and back to the calling client again. The client app does not necessarily need to be aware that we are using Azure Functions to fetch the data it wants, thus creating more abstraction. This gave too much direct/concrete access to trigger the Azure FunctionĪ better way would be not to give the FunctionUrl to the client at all. In essence, the link between my Twilio Environment and Azure Environment was as follows: The webhook calls the Azure Function using the Function URL.
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In my case back in Overhead Part 1, I was giving the away the full Function URL to the client (in the form of a Twilio webhook). But it really does not have to be this way, the client that has been given a Function URL may act maliciously for example and create an unlimited number of requests to the Azure Function. In the case of Azure Functions the common scenario is to give the client/caller/user a Function URL with a Function key associated with the function for authorisation. When dealing with resources in Azure that can be called when the right credentials are known by a calling client, it can be easy to simply grant direct access to the cloud resource itself. 6 min read Azure API Management can serve as a protection mechanism to resources in Azure, only giving access to known clients with the correct credentials and authority.Learn more about authorizing requests in Postman.Learn more about importing APIs to Postman.If correctly configured, the operation returns a 200 OK status and some output. Test your configuration by selecting an operation in your API such as a GET operation, and select Send. In the upper right, select the name of the environment you created, such as Azure API Management.įor the key Ocp-Apim-Subscription-Key, enter the variable name. Select Collections and the name of the collection that you imported. Initial value - a valid API Management subscription key for the API.In your Postman workspace, select Environments > Create environment.Įnter a name for the environment such as Azure API Management.Īdd a variable with the following values: Use the following steps to configure a subscription key as a secret variable for the collection. If the API you exported requires a subscription, you'll need to configure a valid subscription key from your API Management instance to send requests from Postman. The collection and documentation are imported to Postman. If needed, configure advanced import options, or accept default values.
In Postman, select Generate collection from this API to automatically generate a collection from the API definition. In Postman, select a Postman workspace to import the API to. You can select the option for the desktop app if you've installed it locally. In the Run in dialog, select the Postman location to export to. In the portal, under APIs, select an API. On the API Management services page, select your API Management instance. In the Azure portal, search for and select API Management services.
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Optionally, download and install the Postman desktop app locally.Currently, you can only export HTTP APIs from API Management directly to Postman.įor testing authorization in Postman as outlined later in this article, the API should require a subscription.Ī Postman account, which you can use to access Postman for Web.
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