Microsoft Authentication Libraries (MSAL) documentation

Learn how to integrate authentication and authorization into any of your apps using the Microsoft Authentication Libraries (MSAL).

Overview

What is the Microsoft Authentication Library?

Concept

Supported authentication flows

How-To Guide

Migrate applications to MSAL

sample

Microsoft identity platform code samples

sample

Microsoft Entra B2C code samples

sample

Microsoft Entra ID for consumers (CIAM) code samples

Libraries and supported platforms

Choose the right library for you.

.NET

• Microsoft Authentication Library for .NET
• Choosing a version of MSAL.NET
• Public client applications
• Confidential client applications

Java

• Microsoft Authentication Library for Java
• Public client applications
• Confidential client applications

JavaScript

• Microsoft Authentication Library for JavaScript
• MSAL Angular
• MSAL Browser
• MSAL Node
• MSAL React

Python

• Microsoft Authentication Library for Python
• Public client applications
• Confidential client applications

Android

• Microsoft Authentication Library for Android
• Public client applications

iOS and macOS

• Microsoft Authentication Library for iOS and macOS
• Public client applications

Go

• Microsoft Authentication Library for Go
• Public client applications
• Confidential client applications

Authenticate partners and customers

Sign in users from partner organizations in a business-to-business (B2B) scenario or create custom sign-up and sign-in experiences for your customers in a business-to-customer (B2C) scenario.

• External Identities documentation

Connect to Microsoft Graph

Programmatic access to organizational, user, and application data stored in Azure Active Directory. Call Microsoft Graph from your application to create and manage Azure AD users and groups, get and modify your users' data like their profiles, calendars, email, and more.

• Microsoft Graph API documentation

Manage and market your apps

Make existing SaaS applications like Dropbox, Salesforce, and ServiceNow available to your organization's users, configure SSO, and manage security. Or, become an independent software vendor (ISV) by publishing your own SaaS application for use by _other_ organizations that use Azure AD.

• Application management documentation

Manage application users and their access

Automatically create user identities and their roles in your organization's installed SaaS applications. HR-driven provisioning, System for Cross-domain Identity Management (SCIM), and more.

• Application user and role provisioning documentation