Online Services

Back

Epic Online Services

Free, cross-platform services that make it easier and faster for devs to successfully launch, operate, and scale high-quality games.

Home Account Services Game Services Get Started Licensing News

ResourcesDocumentation FAQ Support Trust Statement

Epic Games Store

Back

Epic Games Store

An open PC distribution platform with a global audience, better revenue share, and an expanding library of player engagement tools.

Learn about distribution Community Dev Portal

ResourcesDocumentation Support

Unreal Engine

Back

Unreal Engine

Unreal Engine is the world's most open and advanced real-time 3D creation tool for photoreal visuals and immersive experiences.

Features Licensing options Marketplace News Unreal Engine 5

ResourcesDocumentation Support FAQ

Metahuman

Back

Metahuman

MetaHuman is a complete framework for creating fully rigged photorealistic digital humans in minutes.

Find out more Launch the app

ResourcesDocumentation

Developer Community

Back

Epic Developer Community

Ask and answer questions; show off your work and get inspiration from others; and access 100s of hours of free learning content.

Home Forums Snippets Tutorials & Courses

MoreInside Unreal Unreal Indies

Back

日本語 [Japanese]한국어 [Korean]简体中文 [Simplified Chinese]

Online Services

Epic Online Services

Free, cross-platform services that make it easier and faster for devs to successfully launch, operate, and scale high-quality games.

Home Account Services Game Services Get Started Licensing News

ResourcesDocumentation FAQ Support Trust Statement

Epic Games Store

Epic Games Store

An open PC distribution platform with a global audience, better revenue share, and an expanding library of player engagement tools.

Learn about distribution Community Dev Portal

ResourcesDocumentation Support

Unreal Engine

Unreal Engine is the world's most open and advanced real-time 3D creation tool for photoreal visuals and immersive experiences.

Features Licensing options Marketplace News Unreal Engine 5

ResourcesDocumentation Support FAQ

Metahuman

MetaHuman is a complete framework for creating fully rigged photorealistic digital humans in minutes.

Find out more Launch the app

ResourcesDocumentation

Developer Community

Epic Developer Community

Ask and answer questions; show off your work and get inspiration from others; and access 100s of hours of free learning content.

Home Forums Snippets Tutorials & Courses

MoreInside Unreal Unreal Indies

Online Services

Back

Epic Online Services

Free, cross-platform services that make it easier and faster for devs to successfully launch, operate, and scale high-quality games.

Home Account Services Game Services Get Started Licensing News

ResourcesDocumentation FAQ Support Trust Statement

Epic Games Store

Back

Epic Games Store

An open PC distribution platform with a global audience, better revenue share, and an expanding library of player engagement tools.

Learn about distribution Community Dev Portal

ResourcesDocumentation Support

Unreal Engine

Back

Unreal Engine

Unreal Engine is the world's most open and advanced real-time 3D creation tool for photoreal visuals and immersive experiences.

Features Licensing options Marketplace News Unreal Engine 5

ResourcesDocumentation Support FAQ

Metahuman

Back

Metahuman

MetaHuman is a complete framework for creating fully rigged photorealistic digital humans in minutes.

Find out more Launch the app

ResourcesDocumentation

Developer Community

Back

Epic Developer Community

Ask and answer questions; show off your work and get inspiration from others; and access 100s of hours of free learning content.

Home Forums Snippets Tutorials & Courses

MoreInside Unreal Unreal Indies

日本語 [Japanese]
한국어 [Korean]
简体中文 [Simplified Chinese]

Epic Developer Resources
Overview
Developer Portal
Epic Games Store
Epic Online Services (EOS) Overview
EOS Game Services
EOS Epic Account Services
EOS SDK API Reference
EOS Web API Reference
Kids Web Services (KWS)
Glossary
Search by Keyword

Light

Dark

Epic Developer Resources

Epic Developer Resources

EOS Auth Interface API Reference

Top-Level Reference for the EOS Auth Interface's API

Under 1 min to read

Functions

EOS_Auth_AddNotifyLoginStatusChanged
- EOS_Auth_AddNotifyLoginStatusChangedOptions
- EOS_Auth_OnLoginStatusChangedCallback
EOS_Auth_CopyIdToken
EOS_Auth_CopyUserAuthToken
EOS_Auth_DeletePersistentAuth
- EOS_Auth_DeletePersistentAuthOptions
- EOS_Auth_OnDeletePersistentAuthCallback
EOS_Auth_GetLoggedInAccountByIndex
EOS_Auth_GetLoggedInAccountsCount
EOS_Auth_GetLoginStatus
- EOS_ELoginStatus
EOS_Auth_GetMergedAccountByIndex
EOS_Auth_GetMergedAccountsCount
EOS_Auth_GetSelectedAccountId
- EOS_EResult
EOS_Auth_IdToken_Release
- EOS_Auth_IdToken
EOS_Auth_LinkAccount
- EOS_Auth_LinkAccountOptions
- EOS_Auth_OnLinkAccountCallback
EOS_Auth_Login
- EOS_Auth_LoginOptions
- EOS_Auth_OnLoginCallback
EOS_Auth_Logout
- EOS_Auth_LogoutOptions
- EOS_Auth_OnLogoutCallback
EOS_Auth_QueryIdToken
- EOS_Auth_OnQueryIdTokenCallback
- EOS_Auth_QueryIdTokenOptions
EOS_Auth_RemoveNotifyLoginStatusChanged
EOS_Auth_Token_Release
- EOS_Auth_Token
EOS_Auth_VerifyIdToken
- EOS_Auth_OnVerifyIdTokenCallback
- EOS_Auth_VerifyIdTokenOptions
EOS_Auth_VerifyUserAuth
- EOS_Auth_OnVerifyUserAuthCallback
- EOS_Auth_VerifyUserAuthOptions

Function Callbacks

EOS_Auth_OnDeletePersistentAuthCallback
EOS_Auth_OnLinkAccountCallback
EOS_Auth_OnLoginCallback
EOS_Auth_OnLoginStatusChangedCallback
EOS_Auth_OnLogoutCallback
EOS_Auth_OnQueryIdTokenCallback
EOS_Auth_OnVerifyIdTokenCallback
EOS_Auth_OnVerifyUserAuthCallback

Data Structures

EOS_Auth_AccountFeatureRestrictedInfo
EOS_Auth_AddNotifyLoginStatusChangedOptions
EOS_Auth_CopyIdTokenOptions
EOS_Auth_CopyUserAuthTokenOptions
EOS_Auth_Credentials
EOS_Auth_DeletePersistentAuthCallbackInfo
EOS_Auth_DeletePersistentAuthOptions
EOS_Auth_IdToken
EOS_Auth_LinkAccountCallbackInfo
EOS_Auth_LinkAccountOptions
EOS_Auth_LoginCallbackInfo
EOS_Auth_LoginOptions
EOS_Auth_LoginStatusChangedCallbackInfo
EOS_Auth_LogoutCallbackInfo
EOS_Auth_LogoutOptions
EOS_Auth_PinGrantInfo
EOS_Auth_QueryIdTokenCallbackInfo
EOS_Auth_QueryIdTokenOptions
EOS_Auth_Token
EOS_Auth_VerifyIdTokenCallbackInfo
EOS_Auth_VerifyIdTokenOptions
EOS_Auth_VerifyUserAuthCallbackInfo
EOS_Auth_VerifyUserAuthOptions

Enumerated Types

EOS_EAuthScopeFlags
EOS_EAuthTokenType
EOS_ELinkAccountFlags
EOS_ELoginCredentialType

Contents

Functions
Function Callbacks
Data Structures
Enumerated Types

Developer Portal Documentation Support Distribute on Epic Games

Acceptable Use Policy Services Developer Agreement Subprocessor List Trust Statement

© 2023, Epic Games, Inc. All rights reserved. Epic, Epic Games, the Epic Games logo, Fortnite, the Fortnite logo, Unreal, Unreal Engine, the Unreal Engine logo, Unreal Tournament, and the Unreal Tournament logo are trademarks or registered trademarks of Epic Games, Inc. in the United States of America and elsewhere. Other brands or product names are the trademarks of their respective owners.

Terms of Service Privacy Policy