Epic Games website screenshot

Epic Games

Epic Games operates the Epic Games Store digital storefront and the Epic Online Services (EOS) platform, providing developers with cross-platform game services. Epic Online Services is a free SDK based on Fortnite's backend infrastructure, supporting matchmaking, friends, leaderboards, achievements, voice chat, anti-cheat, and player data storage across Windows, macOS, PlayStation, Xbox, Nintendo Switch, iOS, and Android. The Epic Account Services and EOS Web APIs deliver authentication, account management, ecommerce, and analytics for games published on the Epic Games Store and other platforms.

Epic Games publishes 10 APIs on the APIs.io network. Tagged areas include Game Services, Gaming, Cross-Platform, Achievements, and Leaderboards.

Epic Games’ developer surface includes developer portal, documentation, getting-started guide, authentication, support, and 8 more developer resources.

33.0/100 thin ▬ flat Agent 12/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemium
10 APIs
Game ServicesGamingCross-PlatformAchievementsLeaderboardsMatchmakingAnti-CheatOAuth2

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 33.0/100 · thin
Contract Quality 0.0 / 25
Developer Ergonomics 8.7 / 20
Commercial Clarity 12.1 / 20
Operational Transparency 4.8 / 13
Governance 0.0 / 12
Discoverability 7.4 / 10
Agent readiness — 12/100 · agent aware
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 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: 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 10

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

Epic Account Services API

Epic Account Services (EAS) provides authentication and identity for players using Epic Games accounts. Supports OAuth 2.0 authorization code, device, and exchange code flows, a...

Epic Online Services Achievements API

The EOS Achievements API enables developers to define, unlock, and query player achievements across platforms. Supports definitions, player progress, and unlocking via the EOS S...

Epic Online Services Leaderboards API

The EOS Leaderboards API provides global and per-friend leaderboards backed by player stats. Developers configure leaderboards in the developer portal and query rankings via the...

Epic Online Services Stats API

The EOS Stats API tracks player statistics over time, providing the data source that powers leaderboards and achievements. Supports ingest, increment, and query operations on st...

Epic Online Services Friends API

The EOS Friends API exposes a player's Epic Games friends list, allowing games to surface social presence, invitations, and party formation across platforms.

Epic Online Services Ecom API

The EOS Ecom (Ecommerce) Interface API exposes the player's Epic Games Store entitlements, ownership, catalog offers, and checkout flows. Used by titles published on the Epic Ga...

Epic Online Services Lobby and Sessions API

The EOS Lobby and Sessions APIs provide matchmaking primitives for multiplayer games, including lobby creation, joining, attribute filtering, and dedicated session management.

Epic Online Services Player Data Storage API

The EOS Player Data Storage and Title Storage APIs persist per-player save data and shared title-level configuration in the cloud, with cross-platform availability and versioning.

Epic Online Services Anti-Cheat API

Easy Anti-Cheat (EAC) integrated into Epic Online Services provides kernel and user-mode anti-cheat protections, server-side validation, and reporting tooling for cross-platform...

Epic Online Services Voice API

The EOS Voice Interface delivers in-game voice chat using Vivox backend infrastructure, with positional audio, room management, and moderation controls across platforms.

Scroll for all 10

Pricing Plans 1

Published pricing tiers and plan structures.

Epic Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Epic Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

Epic Finops

FINOPS

Security Posture 2

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

Epic Domain Security

TLSv1.3 · DMARC

SECURITY

Epic Vulnerability Disclosure

Hackerone · security.txt · contact published

SECURITY

Resources

Get Started 2

Portal, sign-up, and the first successful call

Documentation 1

Reference material describing how the API behaves

Build 1

SDKs, sample code, and the tooling you integrate with

Access & Security 3

Authentication, authorization, and security posture

Operate 1

Status, limits, changes, and where to get help

Commercial 2

Pricing, plans, and the legal terms of use

Company 2

The organization behind the API

Other 1

Properties that don't map to a standard resource type

Source (apis.yml)

apis.yml Raw ↑
aid: epic
name: Epic Games
description: Epic Games operates the Epic Games Store digital storefront and the Epic Online Services (EOS) platform, providing
  developers with cross-platform game services. Epic Online Services is a free SDK based on Fortnite's backend infrastructure,
  supporting matchmaking, friends, leaderboards, achievements, voice chat, anti-cheat, and player data storage across Windows,
  macOS, PlayStation, Xbox, Nintendo Switch, iOS, and Android. The Epic Account Services and EOS Web APIs deliver authentication,
  account management, ecommerce, and analytics for games published on the Epic Games Store and other platforms.
type: Index
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/epic.png
tags:
- Game Services
- Gaming
- Cross-Platform
- Achievements
- Leaderboards
- Matchmaking
- Anti-Cheat
- OAuth2
url: https://raw.githubusercontent.com/api-evangelist/epic/refs/heads/main/apis.yml
created: '2024-07-02'
modified: '2026-04-28'
specificationVersion: '0.19'
position: Provider
access: Partner
apis:
- aid: epic:epic-account-services
  name: Epic Account Services API
  description: Epic Account Services (EAS) provides authentication and identity for players using Epic Games accounts. Supports
    OAuth 2.0 authorization code, device, and exchange code flows, account info retrieval, and single sign-on across Epic
    Games Store and partner titles.
  humanURL: https://dev.epicgames.com/docs/epic-account-services
  baseURL: https://api.epicgames.dev
  tags:
  - Authentication
  - OAuth2
  - Identity
  - Single Sign-On
  properties:
  - type: Documentation
    url: https://dev.epicgames.com/docs/epic-account-services
  - type: Authentication
    url: https://dev.epicgames.com/docs/epic-account-services/auth/auth-interface
  - type: GettingStarted
    url: https://dev.epicgames.com/docs/epic-account-services/getting-started
- aid: epic:eos-achievements
  name: Epic Online Services Achievements API
  description: The EOS Achievements API enables developers to define, unlock, and query player achievements across platforms.
    Supports definitions, player progress, and unlocking via the EOS SDK or Web API.
  humanURL: https://dev.epicgames.com/docs/game-services/achievements
  baseURL: https://api.epicgames.dev
  tags:
  - Achievements
  - Game Services
  - Progression
  properties:
  - type: Documentation
    url: https://dev.epicgames.com/docs/game-services/achievements
- aid: epic:eos-leaderboards
  name: Epic Online Services Leaderboards API
  description: The EOS Leaderboards API provides global and per-friend leaderboards backed by player stats. Developers configure
    leaderboards in the developer portal and query rankings via the EOS SDK or Web API.
  humanURL: https://dev.epicgames.com/docs/game-services/leaderboards
  baseURL: https://api.epicgames.dev
  tags:
  - Leaderboards
  - Game Services
  - Stats
  properties:
  - type: Documentation
    url: https://dev.epicgames.com/docs/game-services/leaderboards
- aid: epic:eos-stats
  name: Epic Online Services Stats API
  description: The EOS Stats API tracks player statistics over time, providing the data source that powers leaderboards and
    achievements. Supports ingest, increment, and query operations on stat values.
  humanURL: https://dev.epicgames.com/docs/game-services/eos-stats-interface
  baseURL: https://api.epicgames.dev
  tags:
  - Stats
  - Game Services
  - Telemetry
  properties:
  - type: Documentation
    url: https://dev.epicgames.com/docs/game-services/eos-stats-interface
- aid: epic:eos-friends
  name: Epic Online Services Friends API
  description: The EOS Friends API exposes a player's Epic Games friends list, allowing games to surface social presence,
    invitations, and party formation across platforms.
  humanURL: https://dev.epicgames.com/docs/epic-account-services/eos-friends-interface
  baseURL: https://api.epicgames.dev
  tags:
  - Friends
  - Social
  - Game Services
  properties:
  - type: Documentation
    url: https://dev.epicgames.com/docs/epic-account-services/eos-friends-interface
- aid: epic:eos-ecom
  name: Epic Online Services Ecom API
  description: The EOS Ecom (Ecommerce) Interface API exposes the player's Epic Games Store entitlements, ownership, catalog
    offers, and checkout flows. Used by titles published on the Epic Games Store to verify purchases and unlock downloadable
    content.
  humanURL: https://dev.epicgames.com/docs/epic-games-store/services/ecom/ecom-overview
  baseURL: https://api.epicgames.dev
  tags:
  - Ecommerce
  - Entitlements
  - Catalog
  - Epic Games Store
  properties:
  - type: Documentation
    url: https://dev.epicgames.com/docs/epic-games-store/services/ecom/ecom-overview
- aid: epic:eos-lobby-sessions
  name: Epic Online Services Lobby and Sessions API
  description: The EOS Lobby and Sessions APIs provide matchmaking primitives for multiplayer games, including lobby creation,
    joining, attribute filtering, and dedicated session management.
  humanURL: https://dev.epicgames.com/docs/game-services/lobbies-and-sessions
  baseURL: https://api.epicgames.dev
  tags:
  - Matchmaking
  - Lobbies
  - Sessions
  - Multiplayer
  properties:
  - type: Documentation
    url: https://dev.epicgames.com/docs/game-services/lobbies-and-sessions
- aid: epic:eos-player-data-storage
  name: Epic Online Services Player Data Storage API
  description: The EOS Player Data Storage and Title Storage APIs persist per-player save data and shared title-level configuration
    in the cloud, with cross-platform availability and versioning.
  humanURL: https://dev.epicgames.com/docs/game-services/player-data-storage
  baseURL: https://api.epicgames.dev
  tags:
  - Storage
  - Cloud Saves
  - Game Services
  properties:
  - type: Documentation
    url: https://dev.epicgames.com/docs/game-services/player-data-storage
- aid: epic:eos-anti-cheat
  name: Epic Online Services Anti-Cheat API
  description: Easy Anti-Cheat (EAC) integrated into Epic Online Services provides kernel and user-mode anti-cheat protections,
    server-side validation, and reporting tooling for cross-platform multiplayer titles.
  humanURL: https://dev.epicgames.com/docs/game-services/anti-cheat
  baseURL: https://api.epicgames.dev
  tags:
  - Anti-Cheat
  - Security
  - Multiplayer
  properties:
  - type: Documentation
    url: https://dev.epicgames.com/docs/game-services/anti-cheat
- aid: epic:eos-voice
  name: Epic Online Services Voice API
  description: The EOS Voice Interface delivers in-game voice chat using Vivox backend infrastructure, with positional audio,
    room management, and moderation controls across platforms.
  humanURL: https://dev.epicgames.com/docs/game-services/eos-voice-interface
  baseURL: https://api.epicgames.dev
  tags:
  - Voice
  - Chat
  - Communications
  - Vivox
  properties:
  - type: Documentation
    url: https://dev.epicgames.com/docs/game-services/eos-voice-interface
common:
- type: VulnerabilityDisclosure
  url: security/epic-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/epic-domain-security.yml
- type: GitHubOrganization
  url: https://github.com/epicgames
- type: LinkedIn
  url: https://www.linkedin.com/company/epic-games
- type: Website
  url: https://www.epicgames.com/
- type: Portal
  url: https://dev.epicgames.com/portal/
- type: Documentation
  url: https://dev.epicgames.com/docs/
- type: GettingStarted
  url: https://dev.epicgames.com/docs/epic-online-services/eos-get-started
- type: Authentication
  url: https://dev.epicgames.com/docs/epic-account-services/auth/auth-interface
- type: TermsOfService
  url: https://dev.epicgames.com/services-agreement
- type: PrivacyPolicy
  url: https://www.epicgames.com/site/en-US/privacypolicy
- type: Support
  url: https://dev.epicgames.com/community/
- type: Store
  url: https://store.epicgames.com/
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com