How do I integrate Checkout with Shopify?

Here's how:

  1. Log in to your Shopify admin panel.
  2. Click Settings.
  3. Click Payments.
  4. Select PayPal Express Checkout within the PayPal module.
  5. Click Activate.
  6. Once directed to a PayPal login page, log in to your PayPal account and click I Give Permission.
  7. Click Back to Shopify.
  8. Under Payment Authorization, select:
    • Automatically capture payments for orders (Immediate Sale).
    • Manually capture payment for orders (Authorize only).
  9. Click Save.

Note: You'll find complete information and steps on integrating PayPal with your Shopify cart in Shopify's online manual.

While reactivating, select PayPal Express from the PayPal payment options.

See also:
Shopify Support