All countries Swedbank Payment Flow (PIS API) Here you will find instructions for Swedbank clients on how to pay using the Paysera payment initiation service (PIS). 1. Log in. After providing consent, you are redirected to your bank where you have to log in. Please select the login method and enter the required data. × 2. Provide access to account numbers. Having logged in, confirm access to your account numbers for the given bank. × 3. Sign the payment. A payment is generated that you only need to confirm. ×