You don't need to fill in an application to use Splitit. Simply enter your credit card details at checkout and your plan will be created once the transaction is approved.
There is no credit check to create a plan with Splitit as it does not involve a new loan. The plan simply uses the available balance on your credit card to facilitate your installment plan.
Note: your credit card Terms and Conditions always apply. Make sure you understand this information and the fees associated with using your credit card.