Oyster HR OAuth 2.0 connector profile – StackOne setup guide

Sign in to your OysterHR account using the URL for your environment.

• For the Production environment, sign in at https://app.oysterhr.com.
• For the Sandbox environment, sign in at https://sandbox.oysterhr.com/users/sign_in.

Navigate to the Developer section to create a new application.

• In the sidebar, navigate to Company → Developer.
• Click Create new Developer Application.

Fill in the application details. The Name field is required to create the application successfully.

• Enter a Name (e.g., StackOne Integration).
• Optionally enter a Description.
• Set the Redirect URL to https://api.stackone.com/connect/oauth2/oysterhr/callback.
• Under Permissions, select the permissions required for your integration.
• ⚠️ Important: The first permission — Read all information on the Oyster Platform — is mandatorily required in order to connect the account successfully.
• Accept the Developer Terms of Service.
• Click Submit.

After clicking Save, the Client ID and Client Secret will be shown in the dialog. Store them securely as they won’t be shown again.

After successful creation, the application will appear in the Applications table.

• Find your application in the table and click the Copy button next to the Authorization URL.

Select the environment that corresponds to the Oyster HR account you signed into.

• Select Production if you are connecting to a live Oyster HR account.
• Select Sandbox if you are connecting to a sandbox account for testing.