Clojars

name: Clojars
description: Clojars is a community repository for open source Clojure libraries, providing a REST API for searching artifacts,
  retrieving version information, accessing user and group data, and managing deployment credentials via deploy tokens.
image: https://clojars.org/images/clojars-logo.png
url: https://clojars.org/
tags:
- Clojure
- Package Registry
- Artifact Repository
- Open Source
created: '2026-06-13'
modified: '2026-06-13'
specificationVersion: '0.19'
apis:
- name: Clojars REST API
  description: A RESTful API for searching and retrieving Clojure artifact metadata, user profiles, group memberships, and
    release feeds from the Clojars community repository.
  humanURL: https://github.com/clojars/clojars-web/wiki/Data
  baseURL: https://clojars.org/api
  tags:
  - Artifacts
  - Users
  - Groups
  - Search
  - Release Feed
  properties:
  - type: Documentation
    url: https://github.com/clojars/clojars-web/wiki/Data
  - type: Authentication
    url: https://github.com/clojars/clojars-web/wiki/Deploy-Tokens
  - type: OpenAPI
    url: openapi/openapi.json
  contact:
  - FN: Clojars Team
    email: clojars@googlegroups.com
    X-github: https://github.com/clojars
  meta:
  - key: authentication
    value: Deploy tokens (username + token) for write operations; read endpoints are public
  - key: formats
    value: JSON (default), EDN, YAML, Transit+JSON via Accept header
  plans:
  - name: Free
    description: Clojars is fully free and open source. No pricing tiers exist. Read API endpoints are public with no authentication
      required. Write/deploy operations require a free deploy token.
    url: https://clojars.org/
  endpoints:
  - name: Get User
    description: Returns the list of groups the specified user belongs to.
    url: https://clojars.org/api/users/{username}
    method: GET
  - name: Get Group Artifacts
    description: Returns all artifacts belonging to the specified group.
    url: https://clojars.org/api/groups/{group_name}
    method: GET
  - name: Get Artifact
    description: Returns metadata for a specific artifact, including latest version, downloads, dependencies, and licenses.
    url: https://clojars.org/api/artifacts/{artifact_name}
    method: GET
  - name: Get Artifact by Group
    description: Returns metadata for a specific artifact within a group namespace.
    url: https://clojars.org/api/artifacts/{group_name}/{artifact_name}
    method: GET
  - name: Get Release Feed
    description: Returns a paginated feed of releases after a given timestamp. Up to 500 releases per page.
    url: https://clojars.org/api/release-feed
    method: GET
  - name: Search Artifacts
    description: Searches artifacts by query string. Supports JSON and XML response formats.
    url: https://clojars.org/search
    method: GET
  - name: All POMs List
    description: Returns a plain-text list of all POM file paths. Updated hourly.
    url: https://clojars.org/all-poms.txt
    method: GET
  - name: All JARs List
    description: Returns a Leiningen-syntax list of all JAR artifact versions. Updated hourly.
    url: https://clojars.org/all-jars.clj
    method: GET
  - name: Download Statistics
    description: Returns daily or cumulative download statistics per artifact in EDN format.
    url: https://clojars.org/stats/all.edn
    method: GET
common:
- type: StatusPage
  url: https://clojars.statuspage.io
- type: GitHubOrg
  url: https://github.com/clojars
- type: GitHubRepo
  url: https://github.com/clojars/clojars-web
- type: Wiki
  url: https://github.com/clojars/clojars-web/wiki
- type: MavenRepository
  url: https://repo.clojars.org
- type: Sponsor
  url: https://www.clojuriststogether.org/
maintainers:
- FN: Clojurists Together
  url: https://www.clojuriststogether.org/