hammer · Elixir Observer

hammer

A rate-limiter with plugable backends.

Package Resources

ExHammer/hammer

Stars

912

Unreleased Activity

First Release

8

years ago

Last Release

23

days ago

Downloads

438.3k

last 90 days

Last Stable Version

7.3.0

Activity

last year

Pull Requests

Open 1

Merged 26

Latest Merged Pull Requests

chore: Bump version to 7.3.0

epinault merged 23 days ago

Add expires_at/2 API for fix_window algorithm

epinault merged 23 days ago

Add before_clean callback on bucket expiry (#140)

epinault merged 24 days ago

Fix timestamp unit mismatch in TokenBucket and LeakyBucket clean/1

epinault merged 28 days ago

Fix race condition between insert_new and lookup in ETS hit/5

epinault merged 28 days ago

Issues

Open 1

Closed 9

Version 7.3.0

Published Mar 2026 •

Elixir Version Requirement ~> 1.14

Documentation for 7.3.0

This package has no dependencies

Changelog for 7.3.0

Inspect source for 7.3.0

Community

Article
Elixir/Phoenix Security: Rate Limits for Authentication with Hammer

Practical guide to adding authentication rate limits in Phoenix with Hammer, including risks and configuration.

Video
ElixirCasts #172 — Rate-limiting a Phoenix API with Hammer

Screencast implementing per-user API rate limiting using Hammer and returning 429 responses.

Article
Rate Limits Phoenix

Blog post showing how to add a Hammer-based rate limiter plug to a Phoenix API pipeline.

Article
How to make rate limiting in Phoenix 1.7? (community tips)

Elixir Forum thread discussing Hammer backends (ETS/Redis) and approaches to per-role limits.

Article
Building a Distributed Rate Limiter in Elixir with HashRing

AppSignal article that includes examples wrapping Hammer for clustered rate limiting patterns.

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