Api Interview Questions And Answers

Api Interview Questions list for experienced

  1. How is API created?
  2. What according to you best defines an API?
  3. How does an API works? explain with example.
  4. What are different types of API?
  5. What do you understand by RESTful Web Services?
  6. What is a REST Resource?
  7. What are the features of RESTful Web Services?
  8. What is the concept of statelessness in REST?
  9. What do you understand by JAX-RS?
  10. What are HTTP Status codes?
  11. What are the HTTP Methods?
  12. Can you tell the disadvantages of RESTful web services?
  13. Differentiate between SOAP and REST?
  14. While creating URI for web services, what are the best practices that needs to be followed?
  15. What are the differences between REST and AJAX?

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Top Api interview questions and answers for freshers and experienced

What is Api ?

Answer : It is used as modal modifier for other tags, but it is used for so many different things, that in no way it could be used alone.

Questions : 1 :: How is API created?

The work can be broadly divided into three steps: Write a request handler. Install it as a Lambda. Create an API in API Gateway, and connect the Lambda to a resource and...View answers

Questions : 2 :: What according to you best defines an API?

An Application Programming Interface (API) is a tool set that programmers can use in helping them create software.    API stands for Application Programming Interface. An API is a...View answers

Questions : 3 :: How does an API works? explain with example.


It delivers our request to the provider that you are requesting it from and then delivers back the response to us.     Envision a server in an eatery. You, the client, are sitting at the...View answers

Questions : 4 :: What are different types of API?

  Open APIs, otherwise known as Public APIs, are freely accessible to designers and different clients with insignificant limitation. Partner APIs will be APIs uncovered by/to the key...View answers

Questions : 5 :: What do you understand by RESTful Web Services?

RESTful web services are services that follow REST architecture. REST stands for Representational State Transfer and uses HTTP protocol (web protocol) for implementation. These services are...View answers

Questions : 6 :: What is a REST Resource?


Every content in the REST architecture is considered a resource. The resource is analogous to the object in the object-oriented programming world. They can either be represented as text files, HTML...View answers

Questions : 7 :: What are the features of RESTful Web Services?

Every RESTful web service has the following features: The service is based on the Client-Server model. The service uses HTTP Protocol for fetching data/resources, query execution, or any other...View answers

Questions : 8 :: What is the concept of statelessness in REST?

The REST architecture is designed in such a way that the client state is not maintained on the server. This is known as statelessness. The context is provided by the client to the server using which...View answers

Questions : 9 :: What do you understand by JAX-RS?


As the name itself stands (JAX-RS= Java API for RESTful Web Services) is a Java-based specification defined by JEE for the implementation of RESTful services. The JAX-RS library makes usage of...View answers

Questions : 10 :: What are HTTP Status codes?

These are the standard codes that refer to the predefined status of the task at the server. Following are the status codes formats available: 1xx - represents informational responses 2xx -...View answers

Questions : 11 :: What are the HTTP Methods?

HTTP Methods are also known as HTTP Verbs. They form a major portion of uniform interface restriction followed by the REST that specifies what action has to be followed to get the requested resource....View answers

Questions : 12 :: Can you tell the disadvantages of RESTful web services?

The disadvantages are: As the services follow the idea of statelessness, it is not possible to maintain sessions. (Session simulation responsibility lies on the client-side to pass the session...View answers

Questions : 13 :: Differentiate between SOAP and REST?

SOAP REST SOAP - Simple Object Access Protocol  REST - Representational State Transfer SOAP is a protocol used to implement web services. REST is an architectural design...View answers

Questions : 14 :: While creating URI for web services, what are the best practices that needs to be followed?

Below is the list of best practices that need to be considered with designing URI for web services: While defining resources, use plural nouns. Example: To identify user resource, use the name...View answers

Questions : 15 :: What are the differences between REST and AJAX?

RESTAJAX REST- Representational State Transfer  AJAX - Asynchronous javascript and XML REST has a URI for accessing resources by means of a request-response pattern. AJAX uses...View answers
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