Welcome to KnotAPI!
KnotAPI Card on File Switcher makes it easy for your customers to securely and quickly update their old saved cards across merchants to your new card.
KnotAPI handles credential validation, multifactor authentication, and error handling at all the merchants we support. The provided libraries work across iOS, Android, React Native, Flutter and all modern web browsers.
KnotAPI can be implemented in a few hours.
Updated 7 months ago