Epic Games website screenshot

Epic Games

Epic Games is the studio behind Fortnite, the Unreal Engine, the Epic Games Store, MetaHuman, RealityScan, Twinmotion, RAD Game Tools, and the Epic Online Services (EOS) backend. Epic operates a unified developer portal at dev.epicgames.com that hosts the EOS SDK and REST APIs (Auth, Connect, Friends, Presence, Lobby, Sessions, Achievements, Stats, Leaderboards, Player Data Storage, Title Storage, Voice, Sanctions, Anti-Cheat, Reports, P2P, Ecom, User Info), the Unreal Engine documentation, the Epic Games Store publishing tools, and the Kids Web Services (KWS) compliance platform. EOS is cross-platform and runs on Windows, macOS, Linux, PlayStation, Xbox, Switch, iOS, Android, and web. This profile rolls Epic's developer-facing surfaces into a single index; the Unreal Engine surface has its own dedicated profile.

Epic Games publishes 9 APIs on the APIs.io network, including Achievements API, Auth API, Connect API, and 6 more. Tagged areas include Achievements, Anti-Cheat, Cross-Platform, EOS, and Epic Online Services.

Epic Games’ developer surface includes authentication, developer portal, documentation, API reference, getting-started guide, status page, support, and 17 more developer resources.

48.9/100 developing ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreeSelf serve⚡ Free to try
14 APIs
AchievementsAnti-CheatCross-PlatformEOSEpic Online ServicesGame BackendGame DevelopmentGamesIdentityLobbyMatchmakingMultiplayerSessionsUnreal EngineVoice

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 48.9/100 · developing
Contract Quality 15.0 / 25
Developer Ergonomics 10.4 / 20
Commercial Clarity 10.0 / 20
Operational Transparency 3.4 / 13
Governance 0.0 / 12
Discoverability 8.2 / 10
Agent readiness — 31/100 · agent aware
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 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 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/epic-games: 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 14

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

Epic Online Services (EOS)

Epic Online Services is Epic's free cross-platform backend for games. EOS exposes both a native C/C++ SDK (with Unity, Unreal, and platform wrappers) and a set of REST web servi...

Epic Account Services

Epic Account Services provides OAuth 2.0 / OIDC sign-in with an Epic Account, exposing user identity, display name, country, preferred language, and linked-account information t...

Epic Games Store Publishing

The Epic Games Store publishing surface lets developers upload builds, configure store pages, manage offers, run sales, and integrate with EOS achievements and entitlements. Pub...

Kids Web Services (KWS)

Kids Web Services is Epic's compliance and parental-verification platform for games and online services that handle children's data. KWS exposes REST APIs and an SDK for age ver...

Unreal Engine (Pointer)

Unreal Engine is profiled separately. See the unreal-engine entry for Unreal SDK / Plugin / Pixel Streaming / RHI / Online Subsystem details.

Epic Games Achievements API

The Achievements API from Epic Games — 2 operation(s) for achievements.

Epic Games Auth API

The Auth API from Epic Games — 4 operation(s) for auth.

Epic Games Connect API

The Connect API from Epic Games — 1 operation(s) for connect.

Epic Games Ecom API

The Ecom API from Epic Games — 1 operation(s) for ecom.

Epic Games Leaderboards API

The Leaderboards API from Epic Games — 2 operation(s) for leaderboards.

Epic Games PlayerDataStorage API

The PlayerDataStorage API from Epic Games — 1 operation(s) for playerdatastorage.

Epic Games Sanctions API

The Sanctions API from Epic Games — 1 operation(s) for sanctions.

Epic Games Stats API

The Stats API from Epic Games — 1 operation(s) for stats.

Epic Games TitleStorage API

The TitleStorage API from Epic Games — 1 operation(s) for titlestorage.

Scroll for all 14

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

GraphQL 1

GraphQL schemas published by this provider.

Epic Games GraphQL

Epic Games exposes GraphQL surfaces across several developer-facing products. The primary surface historically lived at `https://graphql.epicgames.com/graphql` and powered the E...

GRAPHQL

Pricing Plans 1

Published pricing tiers and plan structures.

Rate Limits 1

Documented rate limits and quota policies.

Epic Games Rate Limits

2 limits

RATE LIMITS

FinOps 1

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

Security Posture 3

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Epic Games Authentication

http/oauth2 · 2 schemes

SECURITY

Epic Games Domain Security

TLSv1.3 · DMARC

SECURITY

Epic Games Vulnerability Disclosure

Hackerone · security.txt · contact published

SECURITY

Scopes 1

OAuth scopes governing access to this provider's APIs.

Epic Games Scopes

1 scope · clientCredentials

1 scopes

SCOPES

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Epic Games Agentic Access

17 operations · 5 acting · 1 human-in-the-loop

17 operations · 5 acting

AGENTIC

Resources

Get Started 2

Portal, sign-up, and the first successful call

Documentation 2

Reference material describing how the API behaves

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

Build 1

SDKs, sample code, and the tooling you integrate with

Access & Security 4

Authentication, authorization, and security posture

Learn 2

Tutorials, courses, talks, and written guidance

Operate 3

Status, limits, changes, and where to get help

Commercial 3

Pricing, plans, and the legal terms of use

Company 4

The organization behind the API

Other 2

Properties that don't map to a standard resource type

Source (apis.yml)

apis.yml Raw ↑
aid: epic-games
name: Epic Games
description: Epic Games is the studio behind Fortnite, the Unreal Engine, the Epic Games Store, MetaHuman, RealityScan, Twinmotion,
  RAD Game Tools, and the Epic Online Services (EOS) backend. Epic operates a unified developer portal at dev.epicgames.com
  that hosts the EOS SDK and REST APIs (Auth, Connect, Friends, Presence, Lobby, Sessions, Achievements, Stats, Leaderboards,
  Player Data Storage, Title Storage, Voice, Sanctions, Anti-Cheat, Reports, P2P, Ecom, User Info), the Unreal Engine documentation,
  the Epic Games Store publishing tools, and the Kids Web Services (KWS) compliance platform. EOS is cross-platform and runs
  on Windows, macOS, Linux, PlayStation, Xbox, Switch, iOS, Android, and web. This profile rolls Epic's developer-facing surfaces
  into a single index; the Unreal Engine surface has its own dedicated profile.
accessModel:
  pricing: free
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Free · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/epic-games.png
url: https://www.epicgames.com
created: '2024-01-01'
modified: '2026-05-23'
specificationVersion: '0.19'
type: Index
access: 3rd-Party
tags:
- Achievements
- Anti-Cheat
- Cross-Platform
- EOS
- Epic Online Services
- Game Backend
- Game Development
- Games
- Identity
- Lobby
- Matchmaking
- Multiplayer
- Sessions
- Unreal Engine
- Voice
apis:
- aid: epic-games:epic-online-services
  name: Epic Online Services (EOS)
  description: Epic Online Services is Epic's free cross-platform backend for games. EOS exposes both a native C/C++ SDK (with
    Unity, Unreal, and platform wrappers) and a set of REST web services covering identity (Epic Account Services, Connect,
    Auth), social (Friends, Presence, Blocklist), play (Lobby, Sessions, P2P, Voice), progression (Achievements, Stats, Leaderboards),
    storage (Player Data Storage, Title Storage), integrity (Anti-Cheat, Sanctions, Reports), and commerce (Ecom). All EOS
    APIs are gated behind an Epic developer organization, sandbox, and client credentials issued in the EOS Developer Portal.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://dev.epicgames.com/en-US/services/epic-online-services
  baseURL: https://api.epicgames.dev
  tags:
  - Achievements
  - Anti-Cheat
  - EOS
  - Game Backend
  - Identity
  - Lobby
  - Sessions
  - Voice
  properties:
  - type: Portal
    url: https://dev.epicgames.com
  - type: Documentation
    url: https://dev.epicgames.com/docs/epic-online-services
  - type: GettingStarted
    url: https://dev.epicgames.com/docs/epic-online-services/eos-get-started
  - type: SDKs
    url: https://dev.epicgames.com/docs/epic-online-services/platform-sdks
  - type: WebAPI
    url: https://dev.epicgames.com/docs/web-api-ref
  - url: graphql/epic-games-graphql.md
    type: GraphQL
- aid: epic-games:epic-account-services
  name: Epic Account Services
  description: Epic Account Services provides OAuth 2.0 / OIDC sign-in with an Epic Account, exposing user identity, display
    name, country, preferred language, and linked-account information to integrating games and tools. It powers cross-platform
    Epic login and is the identity layer underneath EOS Auth.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://dev.epicgames.com/docs/epic-account-services
  baseURL: https://api.epicgames.dev
  tags:
  - Authentication
  - Identity
  - OAuth
  - OIDC
  - SSO
  properties:
  - type: Documentation
    url: https://dev.epicgames.com/docs/epic-account-services
  - type: Authentication
    url: https://dev.epicgames.com/docs/epic-account-services/auth-interface
- aid: epic-games:epic-games-store-publishing
  name: Epic Games Store Publishing
  description: The Epic Games Store publishing surface lets developers upload builds, configure store pages, manage offers,
    run sales, and integrate with EOS achievements and entitlements. Publishing tools include the BuildPatchTool / EOS SDK
    Tool for uploading builds and a developer portal for managing products. There is no fully self-serve public REST Store
    API; publishing is gated through Epic's onboarding.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://dev.epicgames.com/en-US/store
  baseURL: https://dev.epicgames.com
  tags:
  - Builds
  - Entitlements
  - Publishing
  - Store
  properties:
  - type: Portal
    url: https://dev.epicgames.com/en-US/store
  - type: Documentation
    url: https://dev.epicgames.com/docs/epic-games-store
- aid: epic-games:kids-web-services
  name: Kids Web Services (KWS)
  description: Kids Web Services is Epic's compliance and parental-verification platform for games and online services that
    handle children's data. KWS exposes REST APIs and an SDK for age verification, parental consent collection (COPPA, GDPR-K,
    age-appropriate design code), account linking, and consent revocation flows.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://kidswebservices.com
  baseURL: https://kidswebservices.com
  tags:
  - COPPA
  - Compliance
  - GDPR-K
  - Kids
  - Parental Consent
  - Privacy
  properties:
  - type: Portal
    url: https://kidswebservices.com
  - type: Documentation
    url: https://docs.kidswebservices.com
- aid: epic-games:unreal-engine-pointer
  name: Unreal Engine (Pointer)
  description: Unreal Engine is profiled separately. See the unreal-engine entry for Unreal SDK / Plugin / Pixel Streaming
    / RHI / Online Subsystem details.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://www.unrealengine.com
  baseURL: https://www.unrealengine.com
  tags:
  - Game Engine
  - SDK
  - Unreal Engine
  properties:
  - type: SisterEntry
    url: https://github.com/api-evangelist/unreal-engine
- aid: epic-games:epic-games-achievements-api
  name: Epic Games Achievements API
  description: The Achievements API from Epic Games — 2 operation(s) for achievements.
  humanURL: https://dev.epicgames.com/en-US/services/epic-online-services
  baseURL: https://api.epicgames.dev
  tags:
  - Achievements
  properties:
  - type: OpenAPI
    url: openapi/epic-games-achievements-api-openapi.yml
- aid: epic-games:epic-games-auth-api
  name: Epic Games Auth API
  description: The Auth API from Epic Games — 4 operation(s) for auth.
  humanURL: https://dev.epicgames.com/en-US/services/epic-online-services
  baseURL: https://api.epicgames.dev
  tags:
  - Auth
  properties:
  - type: OpenAPI
    url: openapi/epic-games-auth-api-openapi.yml
- aid: epic-games:epic-games-connect-api
  name: Epic Games Connect API
  description: The Connect API from Epic Games — 1 operation(s) for connect.
  humanURL: https://dev.epicgames.com/en-US/services/epic-online-services
  baseURL: https://api.epicgames.dev
  tags:
  - Connect
  properties:
  - type: OpenAPI
    url: openapi/epic-games-connect-api-openapi.yml
- aid: epic-games:epic-games-ecom-api
  name: Epic Games Ecom API
  description: The Ecom API from Epic Games — 1 operation(s) for ecom.
  humanURL: https://dev.epicgames.com/en-US/services/epic-online-services
  baseURL: https://api.epicgames.dev
  tags:
  - Ecom
  properties:
  - type: OpenAPI
    url: openapi/epic-games-ecom-api-openapi.yml
- aid: epic-games:epic-games-leaderboards-api
  name: Epic Games Leaderboards API
  description: The Leaderboards API from Epic Games — 2 operation(s) for leaderboards.
  humanURL: https://dev.epicgames.com/en-US/services/epic-online-services
  baseURL: https://api.epicgames.dev
  tags:
  - Leaderboards
  properties:
  - type: OpenAPI
    url: openapi/epic-games-leaderboards-api-openapi.yml
- aid: epic-games:epic-games-playerdatastorage-api
  name: Epic Games PlayerDataStorage API
  description: The PlayerDataStorage API from Epic Games — 1 operation(s) for playerdatastorage.
  humanURL: https://dev.epicgames.com/en-US/services/epic-online-services
  baseURL: https://api.epicgames.dev
  tags:
  - PlayerDataStorage
  properties:
  - type: OpenAPI
    url: openapi/epic-games-playerdatastorage-api-openapi.yml
- aid: epic-games:epic-games-sanctions-api
  name: Epic Games Sanctions API
  description: The Sanctions API from Epic Games — 1 operation(s) for sanctions.
  humanURL: https://dev.epicgames.com/en-US/services/epic-online-services
  baseURL: https://api.epicgames.dev
  tags:
  - Sanctions
  properties:
  - type: OpenAPI
    url: openapi/epic-games-sanctions-api-openapi.yml
- aid: epic-games:epic-games-stats-api
  name: Epic Games Stats API
  description: The Stats API from Epic Games — 1 operation(s) for stats.
  humanURL: https://dev.epicgames.com/en-US/services/epic-online-services
  baseURL: https://api.epicgames.dev
  tags:
  - Stats
  properties:
  - type: OpenAPI
    url: openapi/epic-games-stats-api-openapi.yml
- aid: epic-games:epic-games-titlestorage-api
  name: Epic Games TitleStorage API
  description: The TitleStorage API from Epic Games — 1 operation(s) for titlestorage.
  humanURL: https://dev.epicgames.com/en-US/services/epic-online-services
  baseURL: https://api.epicgames.dev
  tags:
  - TitleStorage
  properties:
  - type: OpenAPI
    url: openapi/epic-games-titlestorage-api-openapi.yml
common:
- type: AgenticAccess
  url: agentic-access/epic-games-agentic-access.yml
- type: VulnerabilityDisclosure
  url: security/epic-games-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/epic-games-domain-security.yml
- type: Authentication
  url: authentication/epic-games-authentication.yml
- type: OAuthScopes
  url: scopes/epic-games-scopes.yml
- url: https://www.epicgames.com
  name: Epic Games Website
  type: Website
- url: https://store.epicgames.com
  name: Epic Games Store
  type: Store
- url: https://dev.epicgames.com
  name: Epic Developer Portal
  type: Portal
- url: https://dev.epicgames.com/docs
  name: Epic Developer Documentation
  type: Documentation
- url: https://dev.epicgames.com/community
  name: Epic Developer Community
  type: Community
- url: https://dev.epicgames.com/docs/web-api-ref
  name: EOS Web API Reference
  type: APIReference
- url: https://dev.epicgames.com/docs/epic-online-services/eos-get-started
  name: EOS Getting Started
  type: GettingStarted
- url: https://dev.epicgames.com/docs/services/en-US/Tutorials
  name: EOS Tutorials
  type: Tutorials
- url: https://github.com/EpicGames
  name: Epic Games on GitHub
  type: GitHubOrganization
- url: https://status.epicgames.com
  name: Epic Games Status
  type: Status
- url: https://www.epicgames.com/help
  name: Epic Games Help
  type: Support
- url: https://www.unrealengine.com/blog
  name: Unreal Engine Blog
  type: Blog
- url: https://store.epicgames.com/en-US/eula
  name: Epic Games Store EULA
  type: TermsOfService
- url: https://www.epicgames.com/site/en-US/privacypolicy
  name: Epic Games Privacy Policy
  type: PrivacyPolicy
- url: https://www.epicgames.com/site/en-US/eula
  name: Epic Games EULA
  type: TermsOfService
- url: https://x.com/EpicGames
  name: Epic Games on X
  type: X
- url: https://www.facebook.com/epicgames
  name: Epic Games on Facebook
  type: Facebook
- url: https://www.linkedin.com/company/epic-games
  name: Epic Games on LinkedIn
  type: LinkedIn
- url: https://www.youtube.com/@epic
  name: Epic Games on YouTube
  type: YouTube
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com