To get approved for a Walmart Credit Card you need around a 550 to 660 credit score for the Walmart Credit Card.
If your credit score is at least 550 then you should have a good chance of getting approved for the Walmart Credit Card and the higher your score the more chance you have at getting approved for the credit card.
Most people who do get approved for a Walmart Credit Card have a credit score of 550 to 660.