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Facebook uses OAuth 2.0 via the Meta for Developers platform. The same process applies to other Meta apps (WhatsApp, Instagram). You need a developer account linked to a business portfolio.

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Steps

  1. Create a Facebook Developer Account
  2. Create an Application
    • In the top-right corner, click Create App
    • Enter basic app details
    • Select relevant use cases based on your workflow
    • Select your business on the business tab
    • Fill in remaining details and create the app
  3. Get Client ID (App ID) and Client Secret (App Secret)
    • Navigate to your application
    • Go to App Settings → Basic
    • Find the App ID (Client ID) and App Secret (Client Secret)
    • Copy both values
  4. Configure the Redirect URI
    • In App Settings → Advanced
    • Add your OAuth callback URL to the redirect allow list
  5. Publish the Application
    • Configure any additional settings needed
    • Publish the application to make it live

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Key Details

  • Developer Portal: https://developers.facebook.com
  • Auth Type: OAuth 2.0 (no Bearer Token support)
  • Authorization URL: https://www.facebook.com/v18.0/dialog/oauth
  • Token URL: https://graph.facebook.com/v18.0/oauth/access_token
  • Base API URL: https://graph.facebook.com
  • Credentials Location: App Settings → Basic → App ID (Client ID) & App Secret (Client Secret)
  • Note: The same Meta developer platform handles Facebook, Instagram, and WhatsApp OAuth — use the appropriate scopes for each service
  • Common Scopes: email, public_profile, pages_read_engagement, pages_manage_posts, instagram_basic, instagram_content_publish