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: [email protected]
        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/