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rate-limiter-flexible

Node.js atomic and non-atomic counters, rate limiting tools, protection from DoS and brute-force attacks at scale

v11.2.1, 17 Sept 2026ISCCommonJSTypes: BundledSecurityHTTP servers and web frameworks
$ npm install rate-limiter-flexible

Key numbers

As of 25 Sept 2026
Weekly downloads
2m
+95% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
0
Direct, from package.json
Last release
7 days ago
v11.2.1
GitHub stars
3.6k
195 forks
Open issues / PRs
7 / 2
Contributors
-
Commits, last 52 weeks
124

Downloads

Last week 2026-09-15 to 2026-09-21
01m2m3m4mSept 2025Mar 2026Sept 2026High 3.1m (28 Jul 2026)Low 825.8k (23 Dec 2025)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

2,047,800 downloads last week, 10,468,671 in the last month. The 12-month change of +95% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
19196 in total
Latest version
11.2.1, 17 Sept 20267 days ago
First published
6 May 2018
Last push to GitHub
17 Sept 20267 days before the snapshot
Repository archived
No
Open issues
7
Open pull requests
2
Commits, last 52 weeks
124
Dependents on npm
501

Major versions

  1. v11 first release 11.0.0, 3 Apr 2026
  2. v10 first release 10.0.0, 14 Mar 2026
  3. v9 first release 9.0.0, 29 Nov 2025
  4. v8 first release 8.0.0, 25 Sept 2025
  5. v7 first release 7.0.0, 5 Apr 2025
  6. v6 first release 6.0.0, 12 Mar 2025
  7. v5 first release 5.0.0, 15 Feb 2024
  8. v4 first release 4.0.0, 16 Dec 2023
  9. v3 first release 3.0.0, 29 Aug 2023
  10. v2 first release 2.0.0, 9 Feb 2020
  11. v1 first release 1.0.0, 20 Apr 2019
  12. v0 first release 0.0.1, 6 May 2018

Recent releases

VersionPublished
11.2.117 Sept 2026
11.2.08 Jun 2026
11.1.15 Jun 2026
11.1.06 May 2026
11.0.22 May 2026
11.0.118 Apr 2026
11.0.03 Apr 2026
10.0.115 Mar 2026
10.0.014 Mar 2026
9.1.17 Feb 2026
9.1.01 Feb 2026
9.0.113 Dec 2025
9.0.029 Nov 2025
8.3.023 Nov 2025
Module format
CommonJSFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
225 kB
Dependencies (0)
None
npm install rate-limiter-flexible
  • jsDelivrhttps://cdn.jsdelivr.net/npm/rate-limiter-flexible@11.2.1/
  • unpkghttps://unpkg.com/rate-limiter-flexible@11.2.1/
  • esm.shhttps://esm.sh/rate-limiter-flexible@11.2.1
PackageWeekly downloadsGzipLast releaseModuleComparison
express-rate-limit45.1m-27 days agoESM + CommonJSexpress-rate-limit vs rate-limiter-flexible
corser5.1m-10 years agoCommonJS-
feature-policy336.5k-5 years agoCommonJS-
hide-powered-by348.2k-7 years agoCommonJS-
dont-sniff-mimetype347.7k-7 years agoCommonJS-
referrer-policy340.5k-7 years agoCommonJS-
dns-prefetch-control137.9k-7 years agoCommonJS-
cors58m-8 months agoCommonJS-

Related

Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Indexed.