You want to return validation error details for a nested JSON object with fields 'user.name' and 'user.age'. Which JSON structure correctly represents errors for these nested fields?

hard📝 Application Q8 of 15

Rest API - Error Handling

A{"errors": ["user.name: Required", "user.age: Must be number"]}

B{"errors": {"user": {"name": "Required", "age": "Must be number"}}}

C{"errors": {"user.name": "Required", "user.age": "Must be number"}}

D{"errors": {"user_name": "Required", "user_age": "Must be number"}}

Step-by-Step Solution

Solution:

Step 1: Understand nested error representation
Nested fields are best represented as nested objects matching the input structure.
Step 2: Match the correct nested JSON
{"errors": {"user": {"name": "Required", "age": "Must be number"}}} nests 'name' and 'age' inside 'user', matching the input hierarchy.
Final Answer:
{"errors": {"user": {"name": "Required", "age": "Must be number"}}} -> Option B
Quick Check:
Nested errors use nested objects matching input structure [OK]

Quick Trick: Match error JSON nesting to input JSON nesting [OK]

Common Mistakes:

Flattening nested fields as dot-separated keys
Using arrays instead of objects for errors
Changing field names incorrectly

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You want to return validation error details for a nested JSON object with fields 'user.name' and 'user.age'. Which JSON structure correctly represents errors for these nested fields?

Step 1: Understand nested error representation

Step 2: Match the correct nested JSON

Final Answer:

Quick Check:

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