[Solved] An API expects a JSON object with a details field containing another object. You send:{"details": "name: John, age: 30"}What is the issue? | Rest API

Rest API - Request and Response Format

An API expects a JSON object with a details field containing another object. You send:

{"details": "name: John, age: 30"}

What is the issue?

AMissing comma between name and age

BJSON is valid and no issue

CKeys inside details are not quoted

D"details" should be a nested JSON object, not a string

Step-by-Step Solution

Solution:

Step 1: Understand expected nested object
The API expects 'details' to be an object, but a string was sent instead.
Step 2: Check JSON structure
The string inside 'details' is not parsed as JSON; keys inside it are not recognized as JSON keys.
Final Answer:
"details" should be a nested JSON object, not a string -> Option D
Quick Check:
Nested objects must be JSON objects, not strings [OK]

Quick Trick: Send nested data as JSON objects, not strings [OK]

Common Mistakes:

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