VIP Exclusive
API Testing Professional Certification Exam
API — No single universal 'API Testing' certification exam exists; this comprehensive practice set is modeled on the knowledge domains assessed by ISTQB Foundation/Advanced (which includes API testing), Postman API Expert, and API Academy API Security Architect certifications, covering the industry-standard skills evaluated across these credentials.
52
Questions
90m
Time Limit
75.00%
To Pass
Question 1 of 52👑 VIP
Your team has just exposed a new REST endpoint: POST /api/v1/orders. During exploratory testing, you send a request body where the required field 'customerId' is omitted entirely. The API returns HTTP 200 OK with an empty order object rather than an error. What type of defect does this represent, and what is the correct expected behavior?
Questions 2–52 and full explanations are VIP-exclusive.