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Which HTTP header is used to tell the client when to retry after hitting a rate limit?

easy📝 Syntax Q12 of 15
Rest API - Error Handling
Which HTTP header is used to tell the client when to retry after hitting a rate limit?
ARetry-After
BAuthorization
CContent-Type
DUser-Agent
Step-by-Step Solution
Solution:
  1. Step 1: Identify headers related to retry timing

    The Retry-After header is designed to tell clients how long to wait before retrying a request.
  2. Step 2: Confirm the correct header for rate limit retry

    Other headers like Content-Type or Authorization do not indicate retry timing.
  3. Final Answer:

    Retry-After -> Option A
  4. Quick Check:

    Retry timing header = Retry-After [OK]
Quick Trick: Retry-After header tells when to retry after rate limit [OK]
Common Mistakes:
  • Choosing Content-Type which describes data format
  • Confusing Authorization with retry info
  • Selecting User-Agent which identifies client software

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