Monitor if REST services are online

One possibility is Runscope . It allows you to write tests of what you expect in response. Store variables between one request and another to be able to make call flows within your API. The test routines can be run manually or automated according to your criteria.

The Fiddler utility ( link ) is a good example of a tool with features that make it possible to monitor services. Offered free of charge by the company Telerik, this application can also be used in checks involving websites. The Fiddler application has features that enable actions like:

The debugging / debugging of requests sent to an application (site or service). These requests can come from a variety of sources, such as mobile devices and software installed on conventional systems such as Windows, Mac and Linux; The manipulation of user sessions, by changing the content of requests and responses in the HTTP standard; Safety and performance tests; The customization of monitoring functions from the implementation of extensions based on the .NET Framework.

Read more in: Fiddler Utility: Web Services Monitoring