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50 API Testing Interview Questions
REST, status codes, auth and automation questions with quick answers
50 API Testing Interview Questions is a 22-page interview q&a resource compiled by practising QA engineers. REST, status codes, auth and automation questions with quick answers. Every page is previewable before you request access, so you can judge the depth, formatting and examples yourself instead of relying on a description.
- Pages
- 22
- Compiled by
- SoftwareTestPilot editorial team
- Reviewed by
- Priyanka G.
- Last updated
- 4 September 2026
Contents summary
- HTTP methods & status codes
- Headers, auth and tokens
- Postman and REST Assured questions
- JSON schema and contract testing
- Performance and security questions
- Debugging scenarios
Who this is for
- • Testers actively interviewing for QA or SDET roles
- • Engineers returning to interviews after a long stint on one project
- • Freshers who know the theory but freeze on follow-up questions
What you will be able to do
- • Answer the most repeated screening questions without rehearsing scripts
- • Explain your own project work using the structure interviewers expect
- • Spot which follow-up question usually comes next and prepare for it
What verified QA readers say
5.0
1 published review
Accessed by 14 QA readers
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