You are designing a REST API endpoint for user registration. Which approach best uses the 422 status code to improve client communication when input data is invalid?

hard📝 Application Q15 of 15

Rest API - HTTP Status Codes

AReturn 422 with a JSON object listing each invalid field and a clear error message.

BReturn 422 with a generic message: 'Invalid data'.

CReturn 400 Bad Request without details about the errors.

DReturn 200 OK and ignore invalid fields silently.

Step-by-Step Solution

Solution:

Step 1: Understand purpose of 422
422 is used to tell clients exactly what data is invalid to help fix input.
Step 2: Choose detailed error reporting
Providing a JSON object with each invalid field and message improves client experience.
Final Answer:
Return 422 with a JSON object listing each invalid field and a clear error message. -> Option A
Quick Check:
422 + detailed errors = better client feedback [OK]

Quick Trick: Use 422 with detailed errors for clear client feedback [OK]

Common Mistakes:

Sending vague error messages
Using wrong status codes like 400 or 200
Not informing client about specific invalid fields

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More Rest API Quizzes

You are designing a REST API endpoint for user registration. Which approach best uses the 422 status code to improve client communication when input data is invalid?

Step 1: Understand purpose of 422

Step 2: Choose detailed error reporting

Final Answer:

Quick Check:

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