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API Testing Interview Questions
Practice 59 curated API Testing questions, code challenges, and conceptual deep-dives for tech interviews.
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All API Testing Questions
API Testing medium
Can GET request to be used instead of PUT to create a resource?
Topic: General
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API Testing medium
How does SOAP work?
Topic: General
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API Testing medium
How does the message security model allow the creation of SOAP more secure to use?
Topic: General
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API Testing medium
How often are the APIs changed and, more importantly, deprecated?
Topic: General
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API Testing medium
How users utilize the facilities provided by SOAP?
Topic: General
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API Testing medium
Is there any difference between PUT and POST operations?
Topic: General
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API Testing medium
SOAP or Rest APIs, which method to use?
Topic: General
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API Testing medium
Some common protocols used in API testing?
Topic: General
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API Testing medium
What are advantages of SOAP?
Topic: General
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API Testing medium
What are API documentation templates that are commonly used?
Topic: General
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API Testing medium
What are common API errors that often founded?
Topic: General
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API Testing medium
What are differences between API Testing and UI Testing?
Topic: General
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API Testing medium
What are disadvantages of SOAP?
Topic: General
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API Testing medium
What are main differences between API and Web Service?
Topic: General
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API Testing medium
What are major challenges faced in API testing?
Topic: General
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API Testing medium
What are principles of an API test design?
Topic: General
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API Testing medium
What are SOAP Web services?
Topic: General
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API Testing medium
What are some architectural styles for creating a Web API?
Topic: General
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API Testing medium
What are some important characteristics of a SOAP envelope element?
Topic: General
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API Testing medium
What are some key characteristics of REST?
Topic: General
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API Testing medium
What are the advantages of API Testing?
Topic: General
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API Testing medium
What are the common API testing types?
Topic: General
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API Testing medium
What are the core components of an HTTP request?
Topic: General
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API Testing medium
What are the elements of a SOAP message structure?
Topic: General
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API Testing medium
What are the factors that help to decide which style of Web services - SOAP or REST - to use?
Topic: General
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API Testing medium
What are the Limits of API Usage?
Topic: General
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API Testing medium
What are the major functionalities provided by the SOAP protocol class?
Topic: General
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API Testing medium
What are the most commonly used HTTP methods supported by REST?
Topic: General
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API Testing medium
What are the syntax rules for a SOAP message?
Topic: General
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API Testing medium
What are the testing methods that come under API testing?
Topic: General
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API Testing medium
What are the various approaches available for developing SOAP based web services?
Topic: General
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API Testing medium
What are the web relation functionalities provided by SOAP protocol?
Topic: General
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API Testing medium
What are tools could be used for API testing?
Topic: General
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API Testing medium
What is a "Resource" in REST?
Topic: General
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API Testing medium
What is a RESTFul Web Services?
Topic: General
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API Testing medium
What is an API?
Topic: General
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API Testing medium
What is API documentation?
Topic: General
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API Testing medium
What is API Testing?
Topic: General
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API Testing medium
What is messaging in RESTful Web services?
Topic: General
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API Testing medium
What is payload in RESTFul Web services?
Topic: General
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API Testing medium
What is REST?
Topic: General
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API Testing medium
What is the best approach method to perform API testing?
Topic: General
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API Testing medium
What is the caching mechanism?
Topic: General
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API Testing medium
What is the difference between top down & bottom up approach in SOAP Web services?
Topic: General
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API Testing medium
What is the major obstacle users faced when using SOAP?
Topic: General
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API Testing medium
What is the most popular way to represent a resource in REST?
Topic: General
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API Testing medium
What is the procedure to perform API testing?
Topic: General
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API Testing medium
What is the test environment of API?
Topic: General
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API Testing medium
What is the transport method in SOAP?
Topic: General
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API Testing medium
What is the upper limit for a payload to pass in the POST method?
Topic: General
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API Testing medium
What is URI? What is the main purpose of REST-based web services and what is its format?
Topic: General
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API Testing medium
What kinds of bugs that API testing would often find?
Topic: General
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API Testing medium
What must be checked when performing API testing?
Topic: General
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API Testing medium
When to use SOAP API?
Topic: General
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API Testing medium
When writing API document, what must be considered?
Topic: General
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API Testing medium
Which protocol is used by RESTful Web services?
Topic: General
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API Testing medium
Which purpose does the OPTIONS method serve for the RESTful Web services?
Topic: General
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API Testing medium
Who can use a Web API?
Topic: General
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API Testing medium
Why is API testing considered as the most suitable form for Automation testing?
Topic: General
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