openapi: 3.0.3
info:
  title: GitLab Container Registry API
  description: >-
    REST API for the GitLab Container Registry, providing access to container
    image repositories, tags, and registry metadata stored alongside GitLab projects.
  version: 1.0.0
  contact:
    name: GitLab
    url: https://docs.gitlab.com/api/container_registry/
servers:
  - url: https://gitlab.com/api/v4
    description: GitLab.com API
paths:
  /registry/repositories/{id}:
    get:
      summary: Get details of a single repository
      operationId: getRegistryRepository
      tags:
        - Repositories
      parameters:
        - name: id
          in: path
          required: true
          schema:
            type: integer
        - name: tags
          in: query
          schema:
            type: boolean
        - name: tags_count
          in: query
          schema:
            type: boolean
        - name: size
          in: query
          schema:
            type: boolean
      responses:
        '200':
          description: Repository details
  /projects/{id}/registry/repositories:
    get:
      summary: List registry repositories within a project
      operationId: listProjectRegistryRepositories
      tags:
        - Repositories
      parameters:
        - name: id
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: A list of registry repositories
  /groups/{id}/registry/repositories:
    get:
      summary: List registry repositories within a group
      operationId: listGroupRegistryRepositories
      tags:
        - Repositories
      parameters:
        - name: id
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: A list of registry repositories
  /projects/{id}/registry/repositories/{repository_id}:
    delete:
      summary: Delete a registry repository
      operationId: deleteProjectRegistryRepository
      tags:
        - Repositories
      parameters:
        - name: id
          in: path
          required: true
          schema:
            type: string
        - name: repository_id
          in: path
          required: true
          schema:
            type: integer
      responses:
        '202':
          description: Repository deletion scheduled
  /projects/{id}/registry/repositories/{repository_id}/tags:
    get:
      summary: List tags for a repository
      operationId: listRepositoryTags
      tags:
        - Tags
      parameters:
        - name: id
          in: path
          required: true
          schema:
            type: string
        - name: repository_id
          in: path
          required: true
          schema:
            type: integer
      responses:
        '200':
          description: A list of tags
    delete:
      summary: Delete repository tags in bulk
      operationId: deleteRepositoryTagsBulk
      tags:
        - Tags
      parameters:
        - name: id
          in: path
          required: true
          schema:
            type: string
        - name: repository_id
          in: path
          required: true
          schema:
            type: integer
        - name: name_regex_delete
          in: query
          schema:
            type: string
        - name: name_regex_keep
          in: query
          schema:
            type: string
        - name: keep_n
          in: query
          schema:
            type: integer
        - name: older_than
          in: query
          schema:
            type: string
      responses:
        '202':
          description: Bulk tag deletion scheduled
  /projects/{id}/registry/repositories/{repository_id}/tags/{tag_name}:
    get:
      summary: Get details of a single tag
      operationId: getRepositoryTag
      tags:
        - Tags
      parameters:
        - name: id
          in: path
          required: true
          schema:
            type: string
        - name: repository_id
          in: path
          required: true
          schema:
            type: integer
        - name: tag_name
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Tag details
    delete:
      summary: Delete a single tag
      operationId: deleteRepositoryTag
      tags:
        - Tags
      parameters:
        - name: id
          in: path
          required: true
          schema:
            type: string
        - name: repository_id
          in: path
          required: true
          schema:
            type: integer
        - name: tag_name
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Tag deleted
components:
  securitySchemes:
    PrivateToken:
      type: apiKey
      in: header
      name: PRIVATE-TOKEN
    OAuth2:
      type: oauth2
      flows:
        authorizationCode:
          authorizationUrl: https://gitlab.com/oauth/authorize
          tokenUrl: https://gitlab.com/oauth/token
          scopes:
            api: Full API access
security:
  - PrivateToken: []
  - OAuth2:
      - api
tags:
  - name: Repositories
    description: Container registry repositories
  - name: Tags
    description: Container image tags