Simple Object Access Protocol (SOAP) Simple Object Access Protocol is a lightweight, XML-based protocol used to exchange information over the Internet between programs running in same or different operating system. SOAP messages can be transported using a variety of protocols, including HTTP, SMTP or MIME. All SOAP messages use the same format making it compatible with a variety of operating systems and protocols. Why to use HTTP protocol for SOAP messages? Traditionally, HTTP protocol is … [Read more...]