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What is the main purpose of using error codes in a REST API?

easy🧠 Conceptual Q11 of Q15
Rest API - Error Handling

What is the main purpose of using error codes in a REST API?

ATo tell machines what happened during a request
BTo make the API run faster
CTo change the API's URL
DTo store user data securely
Step-by-Step Solution
Solution:

  1. Step 1: Understand the role of error codes

    Error codes are used to communicate the result of a request to the client or machine.

  2. Step 2: Identify the correct purpose

    The main purpose is to inform machines about success or failure of requests, enabling automated handling.

  3. Final Answer:

    To tell machines what happened during a request -> Option A

  4. Quick Check:

    Error codes = communicate request status [OK]
Quick Trick: Error codes explain request results to machines [OK]
Common Mistakes:
MISTAKES
  • Thinking error codes speed up the API
  • Confusing error codes with data storage
  • Believing error codes change URLs

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