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OAuth with Twitch

To enable Twitch Auth for your project, you need to set up a Twitch Application and add the Application OAuth credentials to your Supabase Dashboard.

Overview#

Setting up Twitch logins for your application consists of 3 parts:

Steps#

Access your Twitch Developer account#

  • Go to dev.twitch.tv.
  • Click on Log in with Twitch at the top right to log in.
  • If you have not already enabled 2-Factor Authentication for your Twitch Account, you will need to do that at Twitch Security Settings before you can continue.

Twitch Developer Page

Twitch Developer Console

Find your callback URL#

In the next step you require a callback URL, which looks like this:

https://<project-ref>.supabase.co/auth/v1/callback

  • Go to your Supabase Project Dashboard.
  • Click on the Settings icon at the bottom of the left sidebar.
  • Click on API in the list.
  • Under Config / URL you'll find your API URL, you can click Copy to copy it to the clipboard.
  • Now just add /auth/v1/callback to the end of that to get your full OAuth Redirect URI.

Create a Twitch Application#

Twitch Developer Console

  • Click on + Register Your Application at the top right.

Register Application

  • Enter the name of your application.
  • Type or paste your OAuth Redirect URL (the callback URL from the previous step.)
  • Select a category for your app.
  • Check the Captcha box and click Create.

Retrieve your Twitch OAuth Client ID and Client Secret#

  • Click Manage at the right of your application entry in the list.

Twitch Applications List

  • Copy your Client ID.
  • Click New Secret to create a new Client Secret.
  • Copy your Client Secret.

Get Client ID and Secret

Add your Twitch credentials into your Supabase Project#

  • Go to your Supabase Project Dashboard
  • In the left sidebar, click the Authentication icon (near the top)
  • Click Settings from the list to go to the Authentication Settings page
  • Enter the final (hosted) URL of your app under Site URL (this is important)
  • Under External OAuth Providers turn Twitch Enabled to ON
  • Enter your client_id and client_secret saved in the previous step
  • Click Save

Add login code to your client app#

The JavaScript client code is documented here: Supabase OAuth Client Code

const { user, session, error } = await supabase.auth.signIn({  provider: 'twitch',})

Add this function which you can call from a button, link, or UI element.

async function signInWithTwitch() {  const { user, session, error } = await supabase.auth.signIn({    provider: 'twitch',  })}

To log out:

async function signout() {  const { error } = await supabase.auth.signOut()}

Resources#