API reference for Application Insights SDKs

Oops! You found the docs for the old version of Application Insights. You need the new version of Application Insights in Microsoft Azure. If you added Application Insights to your project by using Visual Studio 2013 Update 3 or later, then you’re probably using the new version. We strongly recommend using the new version, as the old one will be switched off. Read about the old and new versions here.

If you have existing projects that use the old version, learn how to upgrade them.

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