SOAP (Simple Object Access Protocol) is a protocol specification for exchanging structured information in the implementation of web services in computer networks. Its purpose is to induce extensibility, neutrality and independence. It uses XML Information Set for its message format, and relies on application layer protocols, most often Hypertext Transfer Protocol (HTTP) or Simple Mail Transfer Protocol (SMTP), for message negotiation and transmission. – Wikipedia
How to make SOAP calls in ruby
One of the best ways to make SOAP calls will be using the library Savon. Its very easy to get started.
If your service provider has WSDL (Web Services Description Language) document. You can also host the WSDL file in your local machine or deploy along with the source code. Here is sample WSDL file if you wanna have a look. Basically this document consists of all the operations supported, format of the response, the endpoint URL of the services and other details. Continue reading