Go to Sandbox->Accounts and create sandbox test account Business type
Choose type of application: sandbox for test payments or live for production. Create Merchant type app if it don’t exists
4. After you created new app, you need to add webhook in app settings, with Checkout order-approved and Payment sale completed checkboxes
5. Go to admin panel page on your website and add payment method. You will need Client ID and Client Secret from App settings and Merchant ID from Webhook settings
