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Project Description
A dynamic load testing program for Web services. The program supports mutiple type of web services (WCF,ASMX,REST) and can load or add bulk data to an endpoint.


WCF Ultimate load tester is a lightweight and free library to load test or add bulk data with a WCF web service. A GUI and a console interface are provided to use Load tester library. Only the endpoint address is required to start calling your target service. All the calls should be defined in a CSV file. Please refer to the documentation tab for screenshots and detailled usage.


The program features are as follows:
  • Supporting SOAP (WCF, ASMX) and REST services
  • 100% dynamic endpoint compilation
  • Multiple WCF bindings supported (BasicHTTPBinding, WSHttpBinding, NetTCPBinding)
  • Editable bindings at runtime
  • CSV Input file (refer to documentation for usage)
  • Object support in CSV file using reflection
  • Multithreads and async calls in option
  • Logged results
  • Console and Graphic user interface


The program is done under .NET 4.5 and is therefore compatible with Windows system only


  • 0.4.1 - Multiple UI improvements. Using the program is easier, corrected UI bugs.
  • 0.4 - Program is now in Beta. Supporting REST services with JSON.NET lib
  • 0.3.1 - Program now supports some types of ASMX services
  • 0.2.1 - Second release. Fixed critical issues and now supports collections type as parameters.
  • - Initial public release. The program is in alpha stage and require some testing.

Last edited Sep 23, 2014 at 4:32 PM by Gonfire, version 13