1. Log in to app.zonos.com with your username and password.

    Login
  2. Go to Checkout in the sidebar, scroll down to Shipping, payment and statement settings.
    Checkout

  3. Click on Payment.

    Payment

  4. Click on the blue ADD button next to your payment provider.
  5. Here, you can enter your payment credentials.
  6. Click on the Save button when you are done.