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Quickstart: Sign in and get an access token in a React SPA using the auth code flow

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Quickstart: Sign in users in single-page apps (SPA) via the authorization code flow with Proof Key for Code Exchange (PKCE) using React

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In this quickstart, you download and run a code sample that demonstrates how a JavaScript React single-page application (SPA) can sign in users and call Microsoft Graph using the authorization code flow. The code sample demonstrates how to get an access token to call the Microsoft Graph API or any web API.

See How the sample works for an illustration.

Prerequisites

Step 1: Configure your application in the Azure portal

This code samples requires a Redirect URI of http://localhost:3000/.

Make these changes for me

Already configured Your application is configured with these attributes.

Step 2: Download the project

Run the project with a web server by using Node.js

Download the code sample

Note

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Step 3: Your app is configured and ready to run

We have configured your project with values of your app's properties.

Step 4: Run the project

Run the project with a web server by using Node.js:

  1. To start the server, run the following commands from within the project directory:

    npm install
npm start

  2. Browse to http://localhost:3000/.

  3. Select Sign In to start the sign-in process and then call the Microsoft Graph API.

    The first time you sign in, you're prompted to provide your consent to allow the application to access your profile and sign you in. After you're signed in successfully, click on the Request Profile Information to display your profile information on the page.

More information

How the sample works

Diagram showing the authorization code flow for a single-page application.

msal.js

The MSAL.js library signs in users and requests the tokens that are used to access an API that's protected by the Microsoft identity platform.

If you have Node.js installed, you can download the latest version by using the Node.js Package Manager (npm):

npm install @azure/msal-browser @azure/msal-react

Next steps

Next, try a step-by-step tutorial to learn how to build a React SPA from scratch that signs in users and calls the > Microsoft Graph API to get user profile data:

Tutorial: Sign in users and call Microsoft Graph