CTSS Academy

Rest API Interview Question & Answers


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šŸ‘‰ In this episode, we coverĀ 15 essential REST API Interview Questions & AnswersĀ for bothĀ freshers and experienced candidatesĀ to help you land your dream job in API testing or development.


šŸ”‘Ā Key takeaways:

• REST vs RESTful:Ā Understand the difference between REST (Representational State Transfer) and RESTful web services ⚔

• HTTP methods in REST:Ā GET, POST, PUT, DELETE, OPTIONS, HEAD – and when to use each method 🌐

• REST architecture basics:Ā Stateless communication, simple URI, XML/JSON formatting, and client-server interaction šŸ–„ļø

• Tools for testing APIs:Ā SOAPUI for SOAP and REST clients/plugins for REST services šŸ› ļø

• CRUD operations explained:Ā How POST, GET, PUT, DELETE work with real examples like employee records šŸ“

• Resources in REST:Ā Logical URLs representing data objects, core to RESTful design šŸ”‘

• Advanced topics:Ā AJAX vs REST, integration styles, JAXB, RPC vs Document style web services, JAX-WS & JAX-RS libraries šŸ

• SOAP vs REST comparison:Ā Protocol vs architecture, data formats, caching, speed, and HTTP usage ⚔

• API testing frameworks & libraries:Ā Spring REST, Jersey, CXF, Axis, Restlet for development and testing āœ…


This episode equips you withĀ interview-ready knowledgeĀ to confidently answer REST API questions and excel in viva/oral tests, while also giving aĀ practical understanding of real-world API testing scenarios.


✨ Bonus: Learn how REST APIs differ from SOAP, which is critical for both automation testing and backend development roles.


Download the free PDF of REST API Interview Questions & Answers for 2025

šŸ‘‰Ā Free PDF Download: REST API Interview Questions & Answers


šŸ“–Ā Deepen your knowledge:

Check out my eBookĀ Kill All Bugs: Learn Software Testing in 1 Day

šŸ‘‰ https://testingin1day.com

šŸ‘‰ https://testingin1day.ikas.shop

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