Login to your klaviyo account, click on Account Plans
Click on the settings → API Keys in tab
Click on Create Private API Key button
Give it a name, e.g., Brij-integration
Copy the private key
Go to Brij Dashboard → Settings → Integrations → CRM
Check ‘Automatically Create User Profiles in CRM’ and under CRM Provider, choose Klaviyo
Under Private API Key, enter the key that was copied from previous step and click on Save