Hi Darrin,
We have two different Echo interfaces. One is a skill, the other is a java jar that runs and mimics a Phllips hue bridge to make HAL's devices look like HUE devices. Both use our new HALws (Web Services) described here...
http://www.automatedliving.com/docs/...umentation.pdf
http://www.automatedliving.com/forum...1524#post31524
Feel free to give me a call sometime and I'd be happy to tell you about our current efforts around Alexa.
Tim