Introduction

The Payment Service Provider service plugin (formerly SPI) provides functionality for integrating your site with payment service providers (PSPs) not currently supported by Wix.

With this service plugin, you can:

• Control the way your site connects to a payment provider.
• Handle transactions processed by a PSP.
• Handle refunds processed by a PSP.

Learn more about using the Payment Provider service plugin.

To add a service plugin

1. Add the plugin to your site.
2. Update the getConfig() function in the -config.js file that is added to your site during step 1.
3. Update the connectAccount(), createTransaction(), and refundTransaction() functions in the .js file that is added to your site during step 1.