animir/node-rate-limiter-flexible

Health v2 · maintenance only

Adoption not part of the score

3581 stars · 195 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

A Node.js/Deno library for counting and limiting events with atomic rate limiting across many backends including Redis, Valkey, Memcached, MongoDB, DynamoDB, MySQL, PostgreSQL, SQLite, Prisma, and in-process memory. It provides a unified API to throttle requests, block keys, and protect against DoS and brute force attacks at any scale.

Use cases

• rate limit api requests per ip address
• protect login endpoint from brute force attacks
• throttle requests in express or koa middleware
• distributed rate limiting across multiple servers with redis
• limit user actions like password resets or otp requests
• prevent dos attacks on nodejs application
• rate limiting without external store using in-memory counters

When to choose

• you need a unified rate limiter API that can switch between memory, Redis, and SQL/NoSQL stores as your app scales
• you need atomic increments to avoid race conditions in distributed environments
• you use Express, Koa, Hapi, or NestJS and need drop-in throttling middleware
• you need features like key blocking, action delays, and insurance/failover options

When to avoid

• you need advanced algorithms like token bucket or sliding window log with precise guarantees
• you are not on a JavaScript runtime (Node.js, Deno, or browser)
• you only need simple HTTP-level rate limiting already provided by your API gateway or reverse proxy

Facets

library · maturity stable

rate-limiting security caching middleware security web-development backend apis developer-tools browser cross-platform brute-force-protection dos-protection throttling express koa nestjs redis dynamodb postgresql memcached mongodb sqlite fixed-window distributed-rate-limiting nodejs deno web-server

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