[Solved] Identify the bug in this webhook registration endpoint code snippet:def register_webhook(request): callback = request.json['callback_url'] if callback is None: return {'error':... | Rest API

Rest API - Webhooks and Events

Identify the bug in this webhook registration endpoint code snippet:
def register_webhook(request): callback = request.json['callback_url'] if callback is None: return {'error': 'Missing callback_url'}, 400 return {'message': 'Webhook registered'}, 201

AThe status code 201 is incorrect for successful registration

BThe callback variable should be named 'url' instead

CThe function should return 500 on missing callback_url

DAccessing 'callback_url' without checking if key exists causes KeyError

Step-by-Step Solution

Solution:

Step 1: Check how 'callback_url' is accessed
Using request.json['callback_url'] directly raises KeyError if key missing.
Step 2: Understand proper safe access
Should use .get('callback_url') to avoid exceptions and handle missing keys gracefully.
Final Answer:
Accessing 'callback_url' without checking if key exists causes KeyError -> Option D
Quick Check:
Direct key access risks KeyError [OK]

Quick Trick: Use .get() to safely access JSON keys [OK]

Common Mistakes:

MISTAKES

Ignoring KeyError risk
Misusing status codes
Changing variable names unnecessarily

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Identify the bug in this webhook registration endpoint code snippet:

Step 1: Check how 'callback_url' is accessed

Step 2: Understand proper safe access

Final Answer:

Quick Check:

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