Dynamic API Routing with Azure APIM: Leveraging Query Strings for Enhanced Flexibility

1 min read

Azure API Management (APIM) allows developers to manage and secure APIs effectively. One of its powerful features is the ability to switch APIs based on query string values. This capability enables dynamic routing and customization of API responses, enhancing flexibility and control over API behavior.
<policies>
<inbound>
<base />
<choose>
<when condition="@(context.Request.Url.Query.GetValueOrDefault("qstringKey","")=="value")">
<set-backend-service base-url="https://service1.azurewebsites.net/api" />
</when>
<otherwise>
<set-backend-service base-url="https://service2.azurewebsites.net/api" />
</otherwise>
</choose>
</inbound>
</policies>
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