A quick OAuth example using Alexa to connect to Facebook - Matchbox Mobile
For anyone who is new to, or interested in OAuth and the Amazon Echo, this is a quick and easy to follow demonstration that will walk you through how to get ‘Account linking’ to work with your Alexa and Facebook accounts.
... a basic Facebook application, before moving on to configure your Alexa skill, so that an Amazon service can connect to Facebook to receive an access token.