How to Register your MetaAds OAuth2 application

March 4, 2026

1. Create a Meta Developer account
   1. Go to https://developers.facebook.com/
2. Create an application
   1. Go to https://developers.facebook.com/apps/creation/
      
   
   b. Enter the following details:

    - **App Name**
    - **App Contact Email**
   
    ![image.png](https://s3.us-east-2.amazonaws.com/unified-article-images/how_to_register_your_metaads_oauth2_application-1.png)
   
   
    ![Screenshot_2026-03-05_at_09.37.16.png](https://s3.us-east-2.amazonaws.com/unified-article-images/how_to_register_your_metaads_oauth2_application-2.png)
   

   
   c. Add the following use-cases; 'Manage ads using Marketing API' and 'Measure ad performance'

    ![image.png](https://s3.us-east-2.amazonaws.com/unified-article-images/how_to_register_your_metaads_oauth2_application-3.png)
   

   1. Configure Permissions for the Marketing API
   
   a. Enable all permissions in the 'Create & Manage Ads' and 'Measure ad performance' use-cases

    ![image.png](https://s3.us-east-2.amazonaws.com/unified-article-images/how_to_register_your_metaads_oauth2_application-4.png)
   

   
   Or
   b. After the application is created:
   1. Open the App Dashboard.
   2. Navigate to: Use Cases → Customize → Create & Manage Ads
      
   3. Open Permissions and Features.
   
   Enable the following permissions:
   • ads_management
   • ads_read
   • business_management
   • email
   
   Additional permissions such as:
   • pages_manage_ads
   • pages_read_engagement
   
   may also be enabled depending on your integration requirements.
   

4. Configure Facebook Login for Business

a. In the left sidebar, open (1, 2): Facebook Login for Business → Settings

![Screenshot_2026-03-05_at_09.49.45.png](https://s3.us-east-2.amazonaws.com/unified-article-images/how_to_register_your_metaads_oauth2_application-7.png)


b. Specify the [Unified.to](http://unified.to/) OAuth2 redirect URLs (3)


![image.png](https://s3.us-east-2.amazonaws.com/unified-article-images/how_to_register_your_metaads_oauth2_application-8.png)

c. Click Save Changes (4).

5. Configure App Domains

a. Go to (1, 2): App Settings → Basic

b. Add the following App Domains(3): unified.toapi.unified.toapp.unified.toapi-eu.unified.toapp-eu.unified.toapi-au.unified.toapp-au.unified.to

c. Scroll down and save the settings (4).

In Unified https://app.unified.to/integrations/metaads, add the application's App ID (as the client ID) and the App secret (as the client secret). This information can be found in the App settings > Basic page.

You are now all set to authorize a MetaAds connection