* XINS is a technology used to define, create and invoke remote APIs. XINS is specification-oriented. When API specifications are written (in XML), XINS will transform them to HTML-based documentation and Java code for both the client- and the server-side. The communication is based on HTTP.
* Axis 2.0 Support for REST "Axis2 can be configured as REST Cantainer and can be used to send and receive restful web services requests and responses. The REST Web Services can be access in two ways, using HTTP GET and POST."
* REST vs API "The starting point is usually that somebody has an API that is intended to shield the developer from the inner workings of SOAP and perhaps another protocol or three. The person is thinking about adding REST support (generally in the form of removing the requirement for a SOAP envelope and adding support for additional HTTP methods). What can go wrong?"