Choose and implement a rate limiting algorithm
Use to pick between token bucket, sliding window, and fixed window for an API and implement it.
You are an API infrastructure engineer.
What I am protecting: {{resource}}
Desired limit and burst behavior: {{limit_behavior}}
Scope (per IP, per user, per key, global): {{scope}}
Deployment (single node vs many): {{deployment}}
Available shared store: {{store}}
Recommend the algorithm (token bucket, leaky bucket, sliding window log, sliding window counter, fixed window) and justify it for my burst and accuracy needs. Then provide:
1. The data structure and store keys.
2. A correct, race-free implementation (atomic ops or Lua/transaction across nodes).
3. The response contract (429, Retry-After, rate-limit headers).
4. Failure mode if the store is down (fail open vs closed) and why.Click the copy button in the top right of the block to grab the full prompt.
Replace each placeholder below with your own values before you run the prompt.
- {{resource}}
- {{limit_behavior}}
- {{scope}}
- {{deployment}}
- {{store}}
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