Home Payment methods Swish Flutter Swish for Flutter apps Add Swish to your Flutter app. How do you want to integrate? Drop-inOur all-in-one UI solution for Swish payments in your Flutter app.ComponentsOur pre-built Component for Swish payments in your Flutter app. See also Follow the main integration guides to create your main integration before adding Swish. Flutter Drop-in with Sessions flow Flutter Components with Sessions flow Flutter Drop-in with Advanced flow Flutter Components with Advanced flow