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OpenAPI Specification

openapi: 3.2.0
info:
  title: RubyGems Activity Dependencies API
  description: The RubyGems Activity API provides endpoints that return the most recently added and most recently updated gems on RubyGems.org. The latest endpoint returns the 50 gems most recently published to the registry, while the just-updated endpoint returns the 50 most recently modified gems. These endpoints are useful for building activity feeds, monitoring new releases, and tracking changes across the Ruby ecosystem.
  version: '1.0'
  contact:
    name: RubyGems.org Support
    url: https://help.rubygems.org
  termsOfService: https://rubygems.org/pages/about
servers:
- url: https://rubygems.org/api/v1
  description: Production Server
tags:
- name: Dependencies
  description: Endpoints for querying gem dependency information.
paths:
  /dependencies:
    get:
      operationId: getDependencies
      summary: Get Gem Dependencies
      description: Returns dependency information for one or more gems specified as a comma-separated list. The response is a marshalled array of hashes containing dependency details. This endpoint is deprecated in favor of the Compact Index API.
      tags:
      - Dependencies
      security: []
      deprecated: true
      parameters:
      - name: gems
        in: query
        description: Comma-separated list of gem names
        required: true
        schema:
          type: string
        example: rails,sinatra
      responses:
        '200':
          description: Successful response with dependency information
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/DependencyInfo'
components:
  schemas:
    DependencyInfo:
      type: object
      description: Dependency information for a gem version
      properties:
        name:
          type: string
          description: Name of the gem
        number:
          type: string
          description: Version number
        platform:
          type: string
          description: Platform identifier
        dependencies:
          type: array
          items:
            type: array
            items:
              type: string
          description: Array of dependency pairs (name, version requirement)
externalDocs:
  description: RubyGems.org API Documentation
  url: https://guides.rubygems.org/rubygems-org-api/