You have a REST API for managing tasks with fields: title, completed, and priority. You want to mark a task as completed without changing other fields. Which PATCH request body is best?

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Rest API - HTTP Methods

You have a REST API for managing tasks with fields: title, completed, and priority. You want to mark a task as completed without changing other fields. Which PATCH request body is best?

A{"title": "", "completed": true, "priority": null}

B{"completed": true}

C{"completed": true, "priority": "high"}

D{"title": "New Task"}

Step-by-Step Solution

Solution:

Step 1: Identify minimal update needed
Only the "completed" field needs to change, so send only that.
Step 2: Avoid sending unrelated or empty fields
Sending empty or null fields may overwrite data unintentionally.
Final Answer:
{"completed": true} -> Option B
Quick Check:
Send only changed fields in PATCH body [OK]

Quick Trick: Send only fields you want to update in PATCH [OK]

Common Mistakes:

MISTAKES

Sending all fields even if unchanged
Sending empty or null values accidentally
Using PUT instead of PATCH for partial update

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More Rest API Quizzes

You have a REST API for managing tasks with fields: title, completed, and priority. You want to mark a task as completed without changing other fields. Which PATCH request body is best?

Step 1: Identify minimal update needed

Step 2: Avoid sending unrelated or empty fields

Final Answer:

Quick Check:

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