RubyGems

RubyGems.org is the Ruby community's primary gem hosting service, providing the infrastructure for publishing, discovering, and installing Ruby gems. The RubyGems API enables programmatic access to gem metadata, version information, download statistics, search, owner management, webhooks, and the compact index used by Bundler for dependency resolution. RubyGems.org hosts over 160,000 gems with billions of total downloads.

RubyGems publishes 9 APIs on the APIs.io network, including Gems API, Downloads API, Search API, and 6 more. Tagged areas include Ruby, Package Manager, Open Source, and Developer Tools.

The RubyGems catalog on APIs.io includes 1 event-driven AsyncAPI specification, 1 JSON-LD context, and 3 Spectral governance rulesets.

RubyGems’ developer surface includes authentication, developer portal, documentation, GitHub presence, engineering blog, and 5 more developer resources.

🌐 Visit website 📡 Source on GitHub

45.6/100 developing ▬ flat Agent 50/100 agent ready Full breakdown ↓
scored 2026-07-28 · rubric v0.6

AccessSelf serve

9 APIs

RubyPackage ManagerOpen SourceDeveloper Tools

Kin Score

Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6

Composite quality — 45.6/100 · developing

Contract Quality 18.0 / 25

Developer Ergonomics 6.1 / 20

Commercial Clarity 5.8 / 20

Operational Transparency 6.8 / 13

Governance 2.5 / 12

Discoverability 6.5 / 10

Agent readiness — 50/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 7 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 6 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/rubygems: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 9

Individual APIs this provider publishes, each with its own machine-readable definition.

Rate Limits 1

Documented rate limits and quota policies.

Rubygems Rate Limits

6 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

JSON Schema 1

Standalone JSON Schema definitions for this provider's data models.

Examples 2

Example request and response payloads for these APIs.

Get Started 1

Portal, sign-up, and the first successful call

Portal

Portal

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

LlmsText

LlmsText

Build 1

SDKs, sample code, and the tooling you integrate with

GitHub

GitHub

Access & Security 3

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

Authentication

Authentication

Operate 1

Status, limits, changes, and where to get help

StatusPage

StatusPage

Company 1

The organization behind the API

Blog

Blog

Source (apis.yml)

aid: rubygems
name: RubyGems
description: RubyGems.org is the Ruby community's primary gem hosting service, providing the infrastructure for publishing,
  discovering, and installing Ruby gems. The RubyGems API enables programmatic access to gem metadata, version information,
  download statistics, search, owner management, webhooks, and the compact index used by Bundler for dependency resolution.
  RubyGems.org hosts over 160,000 gems with billions of total downloads.
type: Index
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
position: Consumer
access: 3rd-Party
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/rubygems.png
tags:
- Ruby
- Package Manager
- Open Source
- Developer Tools
created: '2025-01-01'
modified: '2026-05-19'
url: https://raw.githubusercontent.com/api-evangelist/rubygems/refs/heads/main/apis.yml
specificationVersion: '0.19'
apis:
- aid: rubygems:gems-api
  name: RubyGems Gems API
  description: The RubyGems Gems API (v1) provides endpoints for retrieving gem metadata, listing owned gems, submitting new
    gems, yanking gem versions, managing gem ownership, retrieving user profiles, querying gem dependencies, and exchanging
    OIDC tokens for API keys for trusted publishing workflows.
  humanURL: https://guides.rubygems.org/rubygems-org-api/
  baseURL: https://rubygems.org/api/v1
  tags:
  - Ruby
  - Gems
  - Package Manager
  properties:
  - type: Documentation
    url: https://guides.rubygems.org/rubygems-org-api/
  - type: OpenAPI
    url: https://raw.githubusercontent.com/api-evangelist/rubygems/refs/heads/main/openapi/rubygems-gems-api-openapi.yml
- aid: rubygems:downloads-api
  name: RubyGems Downloads API
  description: The RubyGems Downloads API provides download count statistics for gems and individual gem versions hosted on
    RubyGems.org.
  humanURL: https://guides.rubygems.org/rubygems-org-api/
  baseURL: https://rubygems.org/api/v1
  tags:
  - Ruby
  - Downloads
  - Statistics
  properties:
  - type: Documentation
    url: https://guides.rubygems.org/rubygems-org-api/
  - type: OpenAPI
    url: https://raw.githubusercontent.com/api-evangelist/rubygems/refs/heads/main/openapi/rubygems-downloads-api-openapi.yml
- aid: rubygems:search-api
  name: RubyGems Search API
  description: The RubyGems Search API allows developers to search for gems by matching a query string against gem names and
    descriptions. Returns paginated results of active gems.
  humanURL: https://guides.rubygems.org/rubygems-org-api/
  baseURL: https://rubygems.org/api/v1
  tags:
  - Ruby
  - Search
  - Discovery
  properties:
  - type: Documentation
    url: https://guides.rubygems.org/rubygems-org-api/
  - type: OpenAPI
    url: https://raw.githubusercontent.com/api-evangelist/rubygems/refs/heads/main/openapi/rubygems-search-api-openapi.yml
- aid: rubygems:activity-api
  name: RubyGems Activity API
  description: The RubyGems Activity API provides activity feeds of the most recently added and most recently updated gems
    on RubyGems.org, useful for monitoring new releases and tracking ecosystem changes.
  humanURL: https://guides.rubygems.org/rubygems-org-api/
  baseURL: https://rubygems.org/api/v1
  tags:
  - Ruby
  - Activity
  - Monitoring
  properties:
  - type: Documentation
    url: https://guides.rubygems.org/rubygems-org-api/
  - type: OpenAPI
    url: https://raw.githubusercontent.com/api-evangelist/rubygems/refs/heads/main/openapi/rubygems-activity-api-openapi.yml
- aid: rubygems:webhooks-api
  name: RubyGems Webhooks API
  description: The RubyGems Webhooks API enables webhook subscriptions that fire when gems are pushed to RubyGems.org. Webhooks
    can be scoped to a specific gem or applied globally using a wildcard. Includes test-fire functionality and HMAC signature
    verification.
  humanURL: https://guides.rubygems.org/rubygems-org-api/
  baseURL: https://rubygems.org/api/v1
  tags:
  - Ruby
  - Webhooks
  - Events
  properties:
  - type: Documentation
    url: https://guides.rubygems.org/rubygems-org-api/
  - type: OpenAPI
    url: https://raw.githubusercontent.com/api-evangelist/rubygems/refs/heads/main/openapi/rubygems-webhooks-api-openapi.yml
  - type: AsyncAPI
    url: https://raw.githubusercontent.com/api-evangelist/rubygems/refs/heads/main/asyncapi/rubygems-webhooks-asyncapi.yml
- aid: rubygems:rubygems-dependencies-api
  name: RubyGems Dependencies API
  description: Endpoints for querying gem dependency information.
  humanURL: https://guides.rubygems.org/rubygems-org-api/
  baseURL: https://rubygems.org/api/v1
  tags:
  - Dependencies
  properties:
  - type: OpenAPI
    url: openapi/rubygems-dependencies-api-openapi.yml
  - type: Documentation
    url: https://guides.rubygems.org/rubygems-org-api-v2/
- aid: rubygems:rubygems-owners-api
  name: RubyGems Owners API
  description: Endpoints for managing gem ownership, including listing owners, adding and removing owners, and listing gems
    by owner.
  humanURL: https://guides.rubygems.org/rubygems-org-api/
  baseURL: https://rubygems.org/api/v1
  tags:
  - Owners
  properties:
  - type: OpenAPI
    url: openapi/rubygems-owners-api-openapi.yml
  - type: Documentation
    url: https://guides.rubygems.org/rubygems-org-api-v2/
- aid: rubygems:rubygems-profiles-api
  name: RubyGems Profiles API
  description: Endpoints for retrieving user profile information from RubyGems.org.
  humanURL: https://guides.rubygems.org/rubygems-org-api/
  baseURL: https://rubygems.org/api/v1
  tags:
  - Profiles
  properties:
  - type: OpenAPI
    url: openapi/rubygems-profiles-api-openapi.yml
  - type: Documentation
    url: https://guides.rubygems.org/rubygems-org-api-v2/
- aid: rubygems:rubygems-versions-api
  name: RubyGems Versions API
  description: Endpoints for querying detailed version information for specific gem versions, including metadata, dependencies,
    checksums, and platform-specific builds.
  humanURL: https://guides.rubygems.org/rubygems-org-api/
  baseURL: https://rubygems.org/api/v1
  tags:
  - Versions
  properties:
  - type: OpenAPI
    url: openapi/rubygems-versions-api-openapi.yml
  - type: Documentation
    url: https://guides.rubygems.org/rubygems-org-api-v2/
common:
- type: AgenticAccess
  url: agentic-access/rubygems-agentic-access.yml
- type: DomainSecurity
  url: security/rubygems-domain-security.yml
- type: Authentication
  url: authentication/rubygems-authentication.yml
- type: Portal
  url: https://rubygems.org/
- type: Documentation
  url: https://guides.rubygems.org/
- type: Authentication
  url: https://guides.rubygems.org/api-key-scopes/
- type: GitHub
  url: https://github.com/rubygems/rubygems.org
- type: StatusPage
  url: https://status.rubygems.org/
- type: Blog
  url: https://blog.rubygems.org/
- type: LlmsText
  url: https://blog.rubygems.org/llms.txt
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

RubyGems

APIs 9

Open Collections 6

Pricing Plans 1

Rate Limits 1

FinOps 1

Event Specifications 1

Semantic Vocabularies 1

Spectral Rules 3