PayPal is a global payment system that allows users to make electronic payments and money transfers over the internet. Founded in 1998, PayPal provides a convenient and secure way to pay for goods and services online, as well as to transfer money between users. Key features of PayPal:
1. Security: Protection of user data through encryption and other security measures.
2. Convenience: The ability to link bank cards and accounts to simplify the payment process.
3. Wide acceptance: Accepted in thousands of online stores around the world.
4. International transfers: Support for multiple currencies and the ability to send money abroad.
PayPal also offers additional services, such as lending and integration with other financial tools for businesses.
To use the 
After logging in and creating a business account, enter the webhook in the corresponding window 
The PayPal checkout keys that need to be inserted into the website are shown in the screenshot. After inserting the keys, payment will work.