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What does the X-RateLimit-Remaining header indicate in a REST API response?

easy📝 Conceptual Q11 of 15
Rest API - Rate Limiting and Throttling

What does the X-RateLimit-Remaining header indicate in a REST API response?

AThe time when the rate limit will reset.
BThe total number of API calls allowed per day.
CThe number of API calls made so far.
DThe number of API calls you can still make before hitting the limit.
Step-by-Step Solution
Solution:
  1. Step 1: Understand the meaning of X-RateLimit-Remaining

    This header shows how many calls you have left before reaching the limit.
  2. Step 2: Compare with other headers

    X-RateLimit-Limit is total allowed calls, X-RateLimit-Reset is reset time, so remaining calls is the count left.
  3. Final Answer:

    The number of API calls you can still make before hitting the limit. -> Option D
  4. Quick Check:

    Remaining calls = calls left [OK]
Quick Trick: Remaining means how many calls you can still make [OK]
Common Mistakes:
  • Confusing remaining with total limit
  • Thinking it shows reset time
  • Assuming it counts calls made

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