Clojars Artifacts API

openapi: 3.2.0
info:
  title: Clojars REST Artifacts API
  description: A RESTful API for searching and retrieving Clojure artifact metadata, user profiles, group memberships, and release feeds from the Clojars community repository. Read endpoints are public; write/deploy operations require a deploy token.
  version: 1.0.0
  contact:
    name: Clojars Team
    email: clojars@googlegroups.com
    url: https://github.com/clojars
  license:
    name: Eclipse Public License
    url: https://github.com/clojars/clojars-web/blob/main/COPYING
  termsOfService: https://clojars.org/
servers:
- url: https://clojars.org
  description: Clojars production server
tags:
- name: Artifacts
  description: Operations related to Clojars artifacts and releases
paths:
  /api/artifacts/{artifact_name}:
    get:
      operationId: getArtifact
      summary: Get Artifact
      description: Returns metadata for a specific artifact, including latest version, downloads, dependencies, and licenses.
      tags:
      - Artifacts
      parameters:
      - name: artifact_name
        in: path
        required: true
        description: The artifact name (without group prefix).
        schema:
          type: string
          example: clojure
      responses:
        '200':
          description: Artifact metadata.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Artifact'
        '404':
          description: Artifact not found.
  /api/artifacts/{group_name}/{artifact_name}:
    get:
      operationId: getArtifactByGroup
      summary: Get Artifact by Group
      description: Returns metadata for a specific artifact within a group namespace.
      tags:
      - Artifacts
      parameters:
      - name: group_name
        in: path
        required: true
        description: The group identifier.
        schema:
          type: string
          example: org.clojure
      - name: artifact_name
        in: path
        required: true
        description: The artifact name within the group.
        schema:
          type: string
          example: clojure
      responses:
        '200':
          description: Artifact metadata.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Artifact'
        '404':
          description: Artifact not found.
components:
  schemas:
    License:
      type: object
      description: A software license.
      properties:
        name:
          type: string
          description: The license name.
          example: Eclipse Public License 1.0
        url:
          type: string
          format: uri
          description: URL to the license text.
          example: https://opensource.org/licenses/eclipse-1.0.php
    Dependency:
      type: object
      description: A dependency declared by an artifact.
      properties:
        group_name:
          type: string
          description: The dependency group.
          example: org.clojure
        jar_name:
          type: string
          description: The dependency artifact name.
          example: spec.alpha
        version:
          type: string
          description: The required version.
          example: 0.2.194
        scope:
          type: string
          description: The Maven dependency scope.
          example: compile
    ArtifactVersion:
      type: object
      description: A version entry for an artifact.
      properties:
        version:
          type: string
          description: The version string.
          example: 1.11.1
        downloads:
          type: integer
          description: Number of downloads for this version.
          example: 45000
    Artifact:
      type: object
      description: Full metadata for a Clojars artifact.
      properties:
        jar_name:
          type: string
          description: The artifact (JAR) name.
          example: clojure
        group_name:
          type: string
          description: The group identifier.
          example: org.clojure
        version:
          type: string
          description: The latest released version.
          example: 1.11.1
        description:
          type: string
          description: A short description of the artifact.
          example: The Clojure programming language
        homepage:
          type: string
          format: uri
          description: The project homepage URL.
          example: https://clojure.org
        licenses:
          type: array
          description: List of licenses for the artifact.
          items:
            $ref: '#/components/schemas/License'
        downloads:
          type: integer
          description: Total number of downloads.
          example: 1234567
        recent_versions:
          type: array
          description: List of recent versions.
          items:
            $ref: '#/components/schemas/ArtifactVersion'
        dependencies:
          type: array
          description: List of declared dependencies.
          items:
            $ref: '#/components/schemas/Dependency'
  securitySchemes:
    BasicAuth:
      type: http
      scheme: basic
      description: HTTP Basic authentication using your Clojars username and a deploy token (not your password). Deploy tokens can be created at https://clojars.org/tokens. Required only for write/deploy operations.
externalDocs:
  description: Clojars API Wiki
  url: https://github.com/clojars/clojars-web/wiki/Data