You can accept payments by connecting your paypal account, it is also possible to offer additional payment methods including paypal so customer can choose which method they would like to pay with.
Follow these 8 Steps to integrate your Paypal account.
NOTE: To integrate, a Paypal Premier or Business account is required. Upgrade to Premier or Business account inside your paypal account here (It's Free)
Login to the developer area of your Paypal account. Link here.
Click "Create App" under REST API apps.
Enter an "App Name" and click "Create App".
Click "Show" Secret.
Copy Client ID and Secret.
Paste Client ID and Secret in your Chatwing Dashboard, select "Allow Payment" and save.