Interface Sensors using Blyk IoT and link the application with VPN

Hey we are working server 2012 VPN in gear making company , Is it possible to make Blynk IOT cloud based application to link with VPN server to give reading of Wireless temperature sesnor(connected with different raspberry pi) when interface it with WIPY?

Your suggestions will be very helpful

Hello. Sure this is possible. Did you try Blynk already?

Yes I used documentation for led blinking and now I am trying to connect wireless temperature sensor to read the values from sensor by using basic idea of mesh modules but I am not aware of using windows server 2012 VPN . can you please suggest me any tutorial?