You can get a PayPal Cashback Credit Card by applying for one online, but you need at least good credit to qualify for approval. The issuer will also take into account your income, debt and number of open accounts, among various other factors when considering your application.
Here's how to get a PayPal Cashback Credit Card:
Visit the PayPal Cashback Credit Card's webpage.
Click on “Start Credit Card Application.”
Log in to your PayPal account to access the application.
Fill out and submit the application, making sure all your personal information is correct.
Wait for a decision. You could be approved instantly, or it might take another 1-2 weeks.
Keep in mind that you don't need a PayPal Cashback Credit Card to use a credit card on PayPal. For example, the PayPal Cashback Credit Card doesn't offer a 0% introductory APR, so it's not ideal for financing. You might benefit more from a card like the Wells Fargo Active Cash Card that awards cardholders with 2% cash rewards on all purchases. This card also offers a 0% intro APR on purchases for 18 months (13.99% - 23.99% (V) regular APR).
All in all, the PayPal Cashback Credit Card has very decent rewards. But the best credit cards for online shopping on the market can give you much more.