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Companies have adopted modern architecture involving Cloud and Mobile services as a result of which we find that there are large and composite systems that sit behind these simple-looking applications.

The content of the message layer and business logic are both very critical for a very successful operation of these applications. With the architecture following certain protocols such as XML, SOAP, REST and others, the big question that comes to the mind is – how to validate these Business Applications?



  • Unit testing to check the functionality of individual APIs
  • Functional testing of end-to-end functionality at the API layer
  • Load testing for validation of functionality and performance for the system under various levels of user/ transaction load
  • Runtime error detection– Execution of Automated / Manual tests to identify problems such as exceptions and resource leaks
  • Security testing– Involves various types of security checks like penetration testing, authentication, encryption, and also the access control
  • Web UI testing– end to end testing of the entire system using the APIs


  • Expertise on a wide range of API protocols like XML, SOAP, JSON, REST, Gdata, YAML, ATOM, RSS, and RDF, etc
  • Expertise in End to end validation of the application via backend API calls.
  • Script-less automation of API test cases reducing the time and effort of API automation drastically

Web services testing

Performance Testing of Web Services

  • The performance of Web services can be evaluated with various load intensities and duration. We start with average load tests and progress to peak loads to validate the performance requirements.
  • Stress Testing is done to understand the behavior in extreme circumstances.
  • Focus is then shifted to Endurance Tests to verify the web services ability to run for hours/days without any performance degradation.
  • To emulate real-world deployments, Web services are exposed to various types of clients. Including tests with valid and invalid SOAP requests, with unusual and unexpected values of request sizes
  • Clearly, articulate type of emulation mode based on the web services type – Stateful or Stateless
  • We prefer request per sec. for Stateless web services. For Stateful web services we apply appropriate intensity and concurrency, load to expose any synchronization errors.
  • We thoroughly understand the design implementation, Web services WSDLs are created dynamically or through the static way. The load tests are appropriately created to test the Network/Server utilization.

Web performance testing


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