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    Knowledge Base

    Difference between SOAP vs REST based APIs

    April 21, 2014

    For platform independent communication within applications we require to call Web Services .

    As Web Services are basically a bridge between two or more application through request and response service. In order to create web service we have two ways to get it created
    i) SOAP
    ii) REST

    Below are few basic difference between SOAP and REST

    *. SOAP (Simple Object Access Protocal) does their communication through XML based message change. XML based request are generated from request consumer and based on recieved request SOAP Server provide data in platform independent format like XML
    REST (Representational State Transfer Protocal) communicate in architectural style which are completely stateless.REST permits many different data format.

    *. REST is much lighter than SOAP so it’s always faster than SOAP

    *. If you are going to create an API for outside world which needs to process some business logic then its always better to use SOAP. If you need API for local process or for less complex architecture based applications

    *. REST uses only HTTP where as SOAP can use HTTP, SMTP and other as well. In other word REST uses no middleware rather than SOAP . It also not require WSDL based interface to run their service. As its a second generation tech

    *. In REST caching is much more managed than SOAP and with that even client can cache the response for same request.

    *. In REST clients are not concerned about how data is being stored on server, it depends on server to server architecture, So client has to concentrate about their own requirement no need to concerned about Server architecture.. Similarily Servers are not concerned with User Interface or User state its only reponsible to provide data so Server management is not much concerned.

    Principally REST works based on below six constrains:
    *. Uniform Interface
    *. Stateless
    *. Cacheable
    *. Client-Server
    *. Layered System
    *. Code on Demand (optional)