[Solved] What will happen if a REST API receives this HTTP request with a malformed JSON payload?POST /api/register HTTP/1.1 Content-Type: application/json {"email": "user@example.com", "password": "pass123" | Rest API

Rest API - HTTP Status Codes

What will happen if a REST API receives this HTTP request with a malformed JSON payload?

POST /api/register HTTP/1.1
Content-Type: application/json

{"email": "user@example.com", "password": "pass123"

AThe server responds with a 400 Bad Request status indicating invalid JSON

BThe server processes the request successfully and returns 200 OK

CThe server returns a 404 Not Found error

DThe server returns a 500 Internal Server Error due to parsing failure

Step-by-Step Solution

Solution:

Step 1: Analyze the JSON payload
The JSON is malformed because it is missing a closing brace.
Step 2: Understand server behavior
Most REST APIs validate JSON and respond with 400 Bad Request if invalid.
Final Answer:
The server responds with a 400 Bad Request status indicating invalid JSON -> Option A
Quick Check:
Malformed JSON triggers 400 Bad Request [OK]

Quick Trick: Malformed JSON causes 400 Bad Request response [OK]

Common Mistakes:

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