REST API Interview Questions

Last Updated: Nov 10, 2023

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REST API Interview Questions For Freshers

How does REST API work?

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What are the main principles of REST?

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What are the advantages of using REST API?

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What HTTP methods are commonly used in REST API?

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What is the purpose of GET method in REST API?

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What is the purpose of POST method in REST API?

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What is the purpose of PUT method in REST API?

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What is the purpose of DELETE method in REST API?

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What is the purpose of PATCH method in REST API?

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What is an API endpoint?

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What is JSON?

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What is the difference between REST and SOAP?

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What is REST API?

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REST API Intermediate Interview Questions

What is the role of an authentication token in REST API?

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How can you secure a REST API?

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What are the different media types used in REST API?

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What is HATEOAS in REST API?

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What is idempotence in REST API?

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What is the purpose of status codes in REST API?

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What is the meaning of 200 OK status code?

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What is the difference between 201 Created and 204 No Content status codes?

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What is the meaning of 400 Bad Request status code?

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What is the meaning of 401 Unauthorized status code?

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What is the meaning of 403 Forbidden status code?

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What is the meaning of 404 Not Found status code?

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What is the meaning of 500 Internal Server Error status code?

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What is the purpose of pagination in REST API?

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How can caching be implemented in REST API?

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What is rate limiting in REST API?

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What is the purpose of HATEOAS in REST API?

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What is the purpose of versioning in REST API?

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What is content negotiation in REST API?

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REST API Interview Questions For Experienced

What is the purpose of a representation in REST API?

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What is the difference between REST API and GraphQL?

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What is Hypermedia as the Engine of Application State (HATEOAS)?

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What is the purpose of hypermedia in REST API?

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What is the Richardson Maturity Model for RESTful APIs?

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What is the purpose of OPTIONS method in REST API?

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What are some best practices for designing a RESTful API?

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What are the limitations of REST API?

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What is the purpose of ETag in REST API?

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What is the role of HSTS (HTTP Strict Transport Security) in REST API?

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What is the purpose of webhooks in REST API?

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What is the purpose of content negotiation in REST API?

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What are some common security threats to REST API?

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How can you handle versioning in REST API?

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What is the purpose of a resource in REST API?

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What is the purpose of a URI in REST API?

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What are some tools and libraries available for building RESTful API?

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What is the role of content type negotiation in REST API?

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What are some common security measures for securing REST API?

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How can you handle errors and exceptions in REST API?

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What is the purpose of a query parameter in REST API?

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What is the purpose of a request header in REST API?

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What is the purpose of a response header in REST API?

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What is the purpose of a request body in REST API?

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What is the purpose of a response body in REST API?

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What is the purpose of ETag in REST API?

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What is the purpose of conditional requests in REST API?

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What is the purpose of cross-origin resource sharing (CORS) in REST API?

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What is the role of API documentation in REST API?

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