To configure and customize your service plugin, you need to provide important details in the plugin.json configuration file.
If you created your service plugin extension with the CLI, required fields are automatically populated for you.
Base URI where the endpoints are called.
Wix eCommerce appends the endpoint path to the base URI.
For example, to call the Calculate Additional Fees endpoint at https://my-additional-fees.com/v1/calculateAdditionalFees,
the base URI you provide here is https://my-additional-fees.com/.