Please login PayPal Developer website to create a new app.
Step 1: Get API Credentials
Click the "Get API Credentials" button.
Step 2: Confirm your account is ready for business
Please upgrade account if your PayPal account is not upgraded to PayPal Commerce yet.
Step 3: Create App
Once you're ready, please click the Create App button.
Please provide your App Name, e.g. your brand name or website title.