Both Cardholders and Providers can log in to CareCredit here! Whether you’re looking to make a payment or access tools for providers, we have you covered. Making a payment online is a secure and reliable way to ensure that your credit card payment posts to your account on time. Log in to your Barclays credit card account online or launch the Barclays App on your mobile device and select “Payments” from the main navigation menu, then select “Make a Payment.” (If you don’t have the Barclays App download it on Apple's App Store or on.