Postman API Testing Tutorial-Part 2: API Terminology | SOAP & RESTful API | HTTP methods uses in API

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+ Postman step by step
+What is SOAP API
+What is RESTful API
+What is Resources in API
+ HTTP methods are in REST API
+HTTP methods uses in API
+Postman API Testing Tutorial

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SOAP API: SOAP is defined as Simple Object Access Protocol. This web service protocol exchanges structured data using XML and generally HTTP and SMTP for transmission. SOAP also uses WSDL (Web Services Description Language) documents to distribute a web service description model. This describes how the SOAP requests (client-side) and responses (server-side) must appear. Additionally, SOAP web Services have standards for security and addressing.
Pros: Usually easier to consume, more standards (WSDL, etc.), distributed computing
Cons: Difficult set-up, more convoluted coding, harder to develop

RESTful API: Means Representational State Transfer. RESTful Web Services are basically REST Architecture based Web Services. In REST Architecture everything is a resource. RESTful web services are lightweight, highly scalable and maintainable and are very commonly used to create APIs for web-based applications..
API developers can implement REST in a variety of ways.
When a client request is made via a RESTful API, it transfers a representation of the state of the resource to the requester or endpoint. This information, or representation, is delivered in one of several formats via HTTP: JSON (Javascript Object Notation), HTML, XLT, Python, PHP, or plain text. JSON is the most generally popular file format to use because, despite its name, it’s language-agnostic, as well as readable by both humans and machines.

RESTful HTTP methods : These describe what you want to do with the resource. The list of http methods are as below

POST (create) – A POST request is used to send data to the server. Means, this would be used to create a new record using the RESTful API service.

GET (select/read)– The GET method is used to extract information from the given server using a given URI. While using GET request, it should only extract data and should have no other effect on the data. No Payload/Body required.

PUT (update) – Replaces all current representations of the target resources with the uploaded content.

DELETE (delete) – This would be used to delete data or records using the RESTful services

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