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What HTTP status code is commonly used to indicate a rate limit error in REST APIs?

easy🧠 Conceptual Q11 of Q15
Rest API - Error Handling
What HTTP status code is commonly used to indicate a rate limit error in REST APIs?
A404
B429
C500
D401
Step-by-Step Solution
Solution:
  1. Step 1: Understand HTTP status codes for errors

    HTTP status codes in the 400 range indicate client errors. Among them, 429 specifically means too many requests.
  2. Step 2: Identify the code for rate limiting

    The 429 status code is defined to signal that the user has sent too many requests in a given time.
  3. Final Answer:

    429 -> Option B
  4. Quick Check:

    Rate limit error = 429 [OK]
Quick Trick: Remember 429 means too many requests, a rate limit error [OK]
Common Mistakes:
MISTAKES
  • Confusing 429 with 404 (not found)
  • Using 500 which is server error
  • Choosing 401 which means unauthorized

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