SmartThings Apps API
Register and manage SmartApps - the AWS Lambda or webhook endpoints that implement the SmartThings lifecycle (PING, CONFIGURATION, INSTALL, UPDATE, EVENT, UNINSTALL) - including creating, listing, updating, deleting, and rotating OAuth settings.
Documentation
Documentation
https://developer.smartthings.com/docs/connected-services/smartapp-basics
APIReference
https://developer.smartthings.com/docs/api/public