Create an External Client App at the Sandbox Org

Configure an external client app in the sandbox org that can communicate with the OAuth provider for the B2C Commerce Merchant Agent.

1. Log in to your Salesforce org.
   Log in at login.salesforce.com or at your My Domain URL, if set up by your administrator, for example, https://company.my.salesforce.com.
2. At the top of the page, click and select Setup.
3. In the Quick Find box, enter and select External Client App Manager.
4. Click New External Client App.
5. In the Basic Information tab, complete the required fields and set the distribution state to Local.
6. Under API (Enable OAuth Settings), select Enable OAuth.
7. For the Callback URL, enter https://login.salesforce.com/.
   After you create the Auth Provider in the sandbox org, copy its callback URL and replace the URL that you entered here.
8. Select these OAuth scopes.
   • Access the Identity URL service (id, profile, email, address, phone)
   • Manage user data via APIs (api)
   • Perform requests at any time (refresh_token, offline_access)
   • Access unique user identifiers (openid)
9. Leave all other settings at their default values.
10. Click Create.