Webservice

1. webservice response for the web request
2. it's a framework for conversation between two computers: client send request and server receive that request and return response. When the browser made request for web page it receive html
3. service always handled by http but the format of receive is differ
4. Elements of Web Service API (Application Programming Interface): message format: SOAP, XML, JSON and request syntax: named methods, Uniform Resources Identifier (URI), parameter names and data types; requesting an action (HTTP verbs: POST, GET, PUT, PATCH, DELETE); security (what do we need for authenticatin: username and password); when the data is return from webservice - in what form it should be: receiving the data (SOAP, XML, JSON; metadata - describes data structure, including field/property namse and data types)