Introduction Microsoft Azure provides the facility to build and host its own APIs on the cloud. It provides a centralized solution which can be used overcloud/network, now a day we need to develop our application which supports multiple platforms like Desktop, mobile, and tablet. Technology may be different from developing these types of platform supported application, our APIs development may reduce your cost, no need to develop API in various technology (iPhone, Android, .NET, Java, etc…), choose any one technology to develop an APIs and use it over deferent platforms. Microsoft Azure App Service API apps offer secure and flexible development, easy deployment including continuous delivery, accessing On-Premises data, Web jobs for background processing, high availability, and scaling options for any sized RESTful API Applications. Use frameworks and templates to create RESTful APIs in seconds. Azure API apps are well known for automatic OS patching. You can use any tool or a