Important for many MVPs
Rate Limiting for MVPs
Protect your API from abuse and ensure fair usage with request rate controls.
1-2 days
Typical Timeline
$200 - $800
Typical Cost
When to Include
- Public-facing API
- User authentication endpoints
- Expensive operations (AI, email)
- Resource usage limits needed
When to Skip
- Internal tools only
- Very early MVP with trusted users
Technology Options
| Technology | Pros | Cons |
|---|---|---|
Upstash Rate Limit Serverless Redis-based rate limiting |
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express-rate-limit Simple rate limiting middleware |
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Redis + Custom Build rate limiting with Redis |
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Cloudflare Edge-based rate limiting |
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Implementation Steps
1
Identify endpoints needing rate limits2
Define rate limit rules (requests per window)3
Choose rate limiting algorithm (sliding window, token bucket)4
Implement rate limiting middleware5
Add rate limit headers to responses6
Handle rate limit exceeded gracefully7
Set up monitoring and alerting8
Document limits for API consumersCommon Mistakes to Avoid
- No rate limiting on auth endpoints (brute force risk)
- Same limits for all endpoints
- Not communicating limits via headers
- Rate limiting by IP only (shared IPs)
- Too strict limits frustrating users
- Not exempting internal services
Frequently Asked Questions
What rate limits should I set?
Start generous: 100 req/min for general API, 5-10/min for auth, lower for expensive operations. Monitor and adjust based on actual usage.
How do I rate limit authenticated vs. anonymous users?
Different limits by user tier. Anonymous: strict IP-based. Authenticated: per-user, more generous. Premium: even higher or unlimited.
Sliding window vs. fixed window?
Sliding window is fairer but more complex. Fixed window is simpler but allows bursts at window boundaries. Most MVPs are fine with fixed.
Related Features
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