Azure Bot Service

Azure Bot Service - chatbot | Microsoft Azure
"Intelligent, serverless bot service that scales on demand"
Microsoft Touts Azure Cloud Service for Running Bots

"Microsoft’s Azure Bot Service, now in preview, builds on the company’s much touted Bot Framework, which aims to support all the popular chat and texting applications in the universe.

“This is a full application, a managed platform that does all you need to host a bot,” Microsoft executive vice president Scott Guthrie told Fortune."

The service relies on Azure Functions, which like the Lambda service from Microsoft rival Amazon Web Services, lets developers quickly build in capabilities that are triggered by a user action or some sort of software trigger or event. "