How To Get Microsoft Teams Api Key

Productivity Software

Getting a Microsoft Teams API key can be a useful skill for developers and tech enthusiasts who want to integrate their applications with Teams. In this article, I will guide you through the process of obtaining your API key and provide personal commentary along the way. So, let’s dive into the details!


Microsoft Teams is a collaboration platform that allows users to chat, meet, and work together in one place. To access and utilize the Teams API, you need to obtain an API key which acts as an authentication token for your application.

Step 1: Registering your application

The first step is to register your application with the Microsoft Azure portal. This portal serves as the central hub for managing your API keys and other resources.

To register your application, follow these steps:

  1. Sign in to the Azure portal using your Microsoft account.
  2. Navigate to the Azure Active Directory section.
  3. Select “App registrations” and click on “New registration”.
  4. Provide a name for your application and choose the appropriate supported account types.
  5. After registration, you will be redirected to the application details page where you can find your “Application (client) ID”. This ID will be required later.

Step 2: Granting permissions and generating API key

After registering your application, you need to grant the necessary permissions and generate the API key.

Follow these steps:

  1. On the application details page, click on “API permissions”.
  2. Select “Add a permission” and choose the appropriate Microsoft Graph or Teams API.
  3. Depending on your application’s requirements, you can select the required permissions.
  4. Click on “Grant admin consent” to approve the permissions for your application.
  5. Next, navigate to “Certificates & secrets” and click on “New client secret”.
  6. Provide a description for the secret and choose an expiry duration.
  7. After saving, make sure to copy the generated secret value as you won’t be able to access it again.

Step 3: Using the API key

With your API key generated, you can now use it to authenticate and access the Microsoft Teams API.

In your application’s code, you will need to provide the following information:

  • Client ID: The “Application (client) ID” obtained during application registration.
  • Client Secret: The API key generated in the “Certificates & secrets” section.
  • Tenant ID: The ID of your Azure Active Directory tenant.

Using these details, you can authenticate your application with the Teams API and start making calls to retrieve data or perform actions within Microsoft Teams.


Obtaining a Microsoft Teams API key is a straightforward process that involves registering your application, granting permissions, and generating the necessary secret. By following the steps outlined in this article, you can seamlessly integrate your application with Teams and enhance its functionality. Now, it’s time to unleash your creativity and build amazing applications that leverage the power of Microsoft Teams!