Technical Interview Questions on API Testing for Experienced Developers

10

Discuss various types of API testing (functional, security, performance) and their relevance.

1

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Compare and contrast RESTful and SOAP APIs. How does your testing approach differ for each?

2

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3

Explain the concept of API contracts and their role in test automation.

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4

Discuss different strategies for designing effective API test cases.

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5

Demonstrate your experience with API testing tools like Postman, SoapUI, or any open-source alternatives.

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6

Walk the interviewer through your process for automating API tests using frameworks like Selenium or pytest.

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7

Explain how you handle performance testing for APIs, including tools and metrics you use.

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8

Discuss your approach to security testing for APIs, covering common vulnerabilities and testing methods.

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9

Share an experience where you encountered a challenging API testing scenario and how you resolved it.

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10

Share your thoughts on the future of API testing, including emerging trends and technologies.

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