Overview
Upstash Rate Limit
It is the only connectionless (HTTP based) rate limiting library and designed for:
- Serverless functions (AWS Lambda, Vercel …)
- Cloudflare Workers
- Vercel Edge
- Fastly Compute@Edge
- Next.js, Jamstack …
- Client side web/mobile applications
- WebAssembly
- and other environments where HTTP is preferred over TCP.
Quick Links:
Features
Caching
Handle blocked requests without having to call the Redis Database
Timeout
If the Redis call of the ratelimit is not resolved in some timeframe, allow the request by default
Analytics & Dashboard
Collect information on which identifiers made how many requests and how many were blocked.
Multiple Limits
Use different limits for different kinds of requests (example: paid and free users)
Custom Rates
Consume different amounts of tokens in different requests (example: limiting based on request/response size)
Multi Region
Utilize several Redis databases in different regions to serve users faster
For more information about the features, see the Features tab.
Examples
Cloudflare Workers
Rate limit access to your Cloudflare Workers
Nextjs
Rate limit an API in a Nextjs project using the App router
Nextjs with Middleware
Rate limit an API with a Middleware in a Nextjs project using the Pages router
Remix
Rate limit access to a Remix App
Rate limit using Vercel KV
Rate limit a Nexjs app using Vercel KV
Rate limit your Chatbot
Limiting requests to a Chatbot endpoint which streams LLM outputs