How to consume a Webservice?

 
I can consume a Webservice using MQL5 or i have to make a c++ Dll do do the request?
 
Yes you can, https://www.mql5.com/en/articles/276
Using WinInet in MQL5. Part 2: POST Requests and Files
  • 2011.06.08
  • o_O
  • www.mql5.com
In this article, we continue studying the principles of working with Internet using HTTP requests and exchange of information with server. It describes new functions of the CMqlNet class, methods of sending information from forms and sending of files using POST requests as well as authorization on websites under your login using Cookies.
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