Follow following simple steps :
- Go to “https://www.paypal.com/”.
- Click on “SIGN UP”.
- Select your “country” by clicking on default US Flag.
- For test get start with “Individual account”.
- Put all personal information and then agree to create account.
- Now skip other steps.
- Go to “https://developer.paypal.com/”.
- Click on “Dashboard” menu.
- Click on leftbar “sandbox -> Accounts” menus item.
- Expand your one of “account-facilitator@abc.com” account.
- then click on profile option to see “API credentials”.