This is demo project which is using Wt (webtoolkit), Microsoft C++ REST SDK(Casablanca) and MongoDB C++ driver.
It was written as trial project for one company.
You are free to use any code part of this project.
This project in not actively maintained.
There is GetDependenciesReady.txt file in current directory with detailed description on how to install all required prerequisites for this project. There you may find my experience on getting all technologies mentioned above to work.
VehicleServer - is a RESTful web service, which accpets POST requests and queries cloud MongoDB using Cxx driver.
VehicleClient - is Wt app which shows simple web interface. On user actions it sends POST requests to web service and renders responses.