Sign-up
PayPal provides a self-service sign-up for a sandbox account. To sign-up for an account visit the sign-up page and fill in the details, ensuring to chooseBusiness Account when prompted.
Credentials
When setting up PayPal in the dashboard, configure the following credentials, which are obtained from PayPal:Client ID
The PayPal Client ID can be found in the PayPal Developer Portal under theApps & Credentials -> REST API Apps -> Your App section.
Client secret
The PayPal Client Secret can also be found in the PayPal Developer Portal under theApps & Credentials -> REST API Apps -> Your App section.
Merchant ID
The PayPal Merchant ID can be found in the PayPal Merchant Dashboard underAccount settings -> Business Information.