---
id: flask-limiter
version: "4.1.1"
license: MIT
license_treatment: permissive
maintenance: active
---

# Flask-Limiter — Rate limiting for flask applications

License: permissive · Maintenance: active · Popularity: top 1,000 on PyPI

## Install

pip install flask-limiter
uv add flask-limiter
poetry add flask-limiter

## Description

.. |ci| image:: https://github.com/alisaifee/flask-limiter/actions/workflows/main.yml/badge.svg?branch=master
   :target: https://github.com/alisaifee/flask-limiter/actions?query=branch%3Amaster+workflow%3ACI
.. |codecov| image:: https://codecov.io/gh/alisaifee/flask-limiter/branch/master/graph/badge.svg
   :target: https://codecov.io/gh/alisaifee/flask-limiter
.. |pypi| image:: https://img.shields.io/pypi/v/Flask-Limiter.svg?style=flat-square
   :target: https://pypi.python.org/pypi/Flask-Limiter
.. |license| image:: https://img.shields.io/pypi/l/Flask-Limiter.svg?style=flat-square
   :target: https://pypi.python.org/pypi/Flask-Limiter
.. |docs| image:: https://readthedocs.org/projects/flask-limiter/badge/?version=latest
   :target: https://flask-limiter.readthedocs.org/en/latest

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Flask-Limiter
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|docs| |ci| |codecov| |pypi| |license|

**Flask-Limiter** adds rate limiting to `Flask <https://flask.palletsprojects.com>`_ applications.

You can configure rate limits at different levels such as:

- Application wide global limits per user
- Default limits per route
- By `Blueprints...

## AI interpretation — verify before relying

Flask-Limiter adds rate limiting to Flask applications, allowing you to enforce request quotas at global, per-route, blueprint, or class-based view levels with support for multiple storage backends like Redis, Memcached, and MongoDB.

Verdict: Flask-Limiter is a production-stable, actively maintained rate-limiting library for Flask with low install friction, MIT licensing, and no known vulnerabilities. It supports flexible configuration across multiple storage backends and is well-suited for protecting Flask applications from abuse.

[View on SkillFed](https://skillfed.io/packages/flask-limiter) · [View on PyPI](https://pypi.org/project/flask-limiter/)