To properly set up for the Lockitron API:
- Go to https://api.lockitron.com/
- Click "Your Apps"
- Click "New App"
- Type in a name (like "SmartThings")
- Enter in the following URL for the "Redirect Uri": https://graph.api.smartthings.com/api/token/
- Click "Submit"
- Copy over the "Client ID" and "Client Secret" to the respective fields in the SmartThings App Settings fields in the SmartApp editor in the IDE.