Now playing with DropBox..
I created a DropBox account, created the App and created the Access Keys. I set the RedirectURI to http://127.0.0.1
Now I run the Demo program (with the keys set) and when I click on the connect button I get an error display created as part of the Authorization. Basically is says:
Error (400)
It seems the app you were using submitted a bad request. If you would like to report this error to the app's developer, include the information below.
More details for developers
Invalid redirect_uri: u'http://127.0.0.1/'. It must exactly match one of the redirect URIs you've pre-configured for your app (including the path)
Any clues much appreciated.
Initial panic over. It appears that the URI needs the final /.