Microsoft Teams JavaScript client SDK

In your tab pages, include the library hosted at

For more information on specific kinds of tab pages, see the following:


For developers using TypeScript, Microsoft Teams provides a definition file at Use this to enable IntelliSense or similar support from your code editor as well as compile-type type checking as part of your build.


The source code for this library is available in the OfficeDev/microsoft-teams-library-js repo on GitHub.


Go to the package reference