Update: This gateway integration has been deprecated as of PMPro 3.7.1. We are no longer supporting this integration and expect things to break eventually. It is highly recommended that you switch to the new PayPal Gateway Add On.
Refer to our documentation on deprecating payment gateways for more information about this decision.
To test a PayPal checkout for PayPal Express, you will need to set up a PayPal Developer account. If you already have a PayPal Developer account, log in to that account via the link above before running a test checkout.
- Log in to your PayPal Developer account.
- Create Sandbox Test Accounts per PayPal’s documentation.
- Once you have a testing account created, navigate to the dots (…) and select View / Edit Account > API Credentials
- Navigate to the Memberships > Payment Settings page of your WordPress site.
- Set your “Payment Gateway” to the PayPal option you would like to use.
- Set the “Gateway Environment” to “Sandbox/Testing”.
- Configure your PayPal “NVP/SOAP Sandbox API Credentials” in Payment Settings.
- Save settings.
After saving the settings, log out or browse to your membership levels page in incognito mode to test checkout for a paid level. You must use a Sandbox Test Account as set up in your PayPal Developer account in order to run the test.
For more information, visit PayPal’s Sandbox Testing Guide.
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Last updated on April 6, 2026
