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Sample 01 - Login

The purpose of this article is to demonstrate how simple it is to set up and use the new Single Page Application SDK, and authenticate a user in your application using Auth0's Universal Login Page.

Running the Sample Application

The sample can be run locally, by cloning the repository to your machine and then following the steps below.

Specifying Auth0 Credentials

To specify the application client ID and domain, make a copy of auth_config.json.example and rename it to auth_config.json. Then open it in a text editor and supply the values for your application:

  "domain": "{DOMAIN}",
  "clientId": "{CLIENT_ID}"


After cloning the repository, run:

$ npm install

This will install all of the necessary packages in order for the sample to run.

Running the Application

This version of the application uses an Express server that can serve the site from a single page. To start the app from the terminal, run:

$ npm run dev

Frequently Asked Questions

We are compiling a list of questions and answers regarding the new JavaScript SDK - if you're having issues running the sample applications, check the FAQ!

What is Auth0?

Auth0 helps you to:

  • Add authentication with multiple authentication sources, either social like Google, Facebook, Microsoft Account, LinkedIn, GitHub, Twitter, Box, Salesforce, among others, or enterprise identity systems like Windows Azure AD, Google Apps, Active Directory, ADFS or any SAML Identity Provider.
  • Add authentication through more traditional username/password databases.
  • Add support for linking different user accounts with the same user.
  • Support for generating signed Json Web Tokens to call your APIs and flow the user identity securely.
  • Analytics of how, when and where users are logging in.
  • Pull data from other sources and add it to the user profile, through JavaScript rules.

Create a free Auth0 account

  1. Go to Auth0 and click Sign Up.
  2. Use Google, GitHub or Microsoft Account to login.

Issue Reporting

If you have found a bug or if you have a feature request, please report them at this repository issues section. Please do not report security vulnerabilities on the public GitHub issue tracker. The Responsible Disclosure Program details the procedure for disclosing security issues.




This project is licensed under the MIT license. See the LICENSE file for more info.

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