PayPal Checkout is the easiest way to integrate payment gateway in your web application. PayPal Express Checkout payment gateway is very useful when you want to provide a user-friendly UI to the user for the online payment.
Create a REST API App:
- In the My Apps & Credentials page, scroll down to REST API apps section. Click the Create App to create an application to get REST API credentials.
- Enter your App name and select account that related to your business.
- Client ID and Secret will be generated. Copy these API credentials for later use in the setting of the plugin.
Enable PayPal Express Checkout:
Select the checkbox to enable PayPal express checkout method
Express Checkout PayPal [ Name for PayPal Express Checkout visible to users. ]
Select the checkbox to enable PayPal Sandbox Mode
Client ID that needed to use for authorization when making API calls. See here for more information https://developer.paypal.com/docs/integration/admin/manage-apps/
Client Secret Key:
The secret key that we use for authorization when making API calls. See here for more information https://developer.paypal.com/docs/integration/admin/manage-apps/