They got back to me with the following: the API for IFTTT and Alexa will be ready in early 2019 along with local API.

So it sounds promising that they are talking about a local API.

FYI the reply I got today from Worcester Bosch suggested they currently have 4 voice commands available for use with Amazon Alexa via IFTTT. And they all said there is an open API, but with limited access, and that the exact details of the API functionality were limited, and that they had escalated ...

Are Bosch just planning to support IFTT then? Does anyone know if they plan to provide a local API? I tried finding out info on their developer website, developer.bosch.com , but that says "coming soon" melvinc, you have their smart radiator valves. How do they communicate with the EasyControl, is ...