PayPal
Obtaining API Credentials
Section titled “Obtaining API Credentials”Live Mode
Section titled “Live Mode”Log into your PayPal account and go to this page: https://www.paypal.com/businessprofile/mytools/apiaccess/firstparty/signature. Then, copy the NVP/SOAP Sandbox API Credentials and paste them into the PayPal settings page in Billing. You may leave the other settings blank. After that, click Save Changes and Reload Config.
Sandbox Mode
Section titled “Sandbox Mode”NOTE: You should always test the billing system with Sandbox mode before accepting payments from your clients.
Log into PayPal Developer dashboard and create a new sandbox account.
View the Business sandbox account’s API credentials. Copy the NVP/SOAP Sandbox API Credentials and paste them into the PayPal settings page in Billing. You may leave the other settings blank. Click Save Changes and Reload Config.