Epic Online Services Documentation

Definitions for common terms regarding the EOS SDK and the Development Portal

High-level look at the services available to developers using Epic Online Services.

Quickly get your project up and running using Epic Online Services.

A tool to manage login status during development

Overview of the EOS C# SDK

Using the EOS Overlay for in-app purchases.

A tool to assist with stat and achievement management

In-game EOS social overlay and friends list

Full C API Reference for the Epic Online Services SDK.

Account linking, user data requests, and user data deletion

Overview of organization management tools in the Developer Portal.

Overview of product management tools in the Developer Portal.

Managing client credentials within the EOS environment.

Overview of player identity management in the Developer Portal.

Limitations and Throttling Features

Detailed descriptions and usage information about Epic Account Services for developers and end-users

How-to guide for setting up a project with EAS

Information about the user experience of the consent flow and how users can manage permissions

Information about Epic Account data privacy and visibility

Design guidelines for integrating with Epic Account Services for authentication

Interface for checking and unlocking achievements on a user-by-user basis.

Interface to handle verification of user accounts, including login and logout functionality.

The Connect Interface handles connections between users' accounts under different identity providers.

Interface to handle purchases and verification of ownership

Interface to retrieve friends lists, or to add or remove other users.

Interface to handle online leaderboards

Interface to handle lobbies

Interface to record play sessions for game usage data collection.

Interface to send and receive data between users, and related networking functionality.

Interface that grants access to all other interfaces.

Interface to handle cloud-based data management

Interface that enables users to inform their friends of their current activities.

Interface to handle session-based matchmaking

Interface for managing stats.

Interface to obtain information about the user, such as display name or country, and map display names to account identifiers.

Interface to download encrypted data shared by all players from the cloud

Interface to receive log messages from the Epic Online Services SDK

Interface that accesses overlay features

API for distributing and managing mods in the EOS ecosystem

How to implement EOS SDK in an Android project with Android Studio

How to implement EOS SDK in an iOS project using Xcode

Reference information for implementing EOS SDK on Linux

Reference information for implementing EOS SDK on MacOS

Reference information for implementing EOS SDK on Windows

Provides support for your products using an automatically generated, preassigned email address and public web API key.

A tour of the Auth and Friends sample project

Reference page for the Achievements Sample

An overview of the Android login sample

A guide on how to use the EOS C# SDK samples.

An overview of the iOS samples and Apple login flow

Overview of the Leaderboard Sample

Overview of the Lobbies Sample

Overview of the P2P NAT Sample

Overview of the Player Data Storage Sample

Overview of the Session Matchmaking Sample

Overview of the Title Storage Sample

Sample demonstrating Mod Marketplace interactions

Sample program that shows how to build a store with the EOS SDK