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FastAPI Production
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Module 6 · Real-World Patterns
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Rate limiting under load: Redis-backed token buckets
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📝 **Question:** Right key for a B2B-API rate limiter? 📋 Pick the right answer. 💡 **Hint:** Re-read the theory above if unsure.
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📝 **Question:** Right key for a B2B-API rate limiter? 📋 Pick the right answer. 💡 **Hint:** Re-read the theory above if unsure.
A
Remote IP — but shared corporate NAT egress collapses every customer.
B
API key (or tenant_id) — IPs are shared by NAT and proxies.
C
User-agent — trivially spoofable and shared across SDK versions.
D
Don't bother — let the upstream WAF handle quota enforcement.
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