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faq

How to verify your application using GitHub

There are many reasons as to why you may need to verify using GitHub an example being your application not being a website or your TLD is not supported by Riot Step 1:Make an empty GitHub repository Step 2:Make a riot.txt file in the repository and paste

Getting Started

Identifying Champion Positions

What is the problem?You want to know where each champion played on Summoner’s Rift. The Riot API provides role and lane data, but the values are often inaccurate and make it difficult to identify which position a champion played in. There are many different ways of fixing this

Getting Started

Info About Specific Data

SummonersSee the PUUIDs and Other IDs section for information about summoner IDs, account IDs, and PUUIDs.Tournaments— MatchMatches are kept for 2 years, timelines for 1 year.The creation date timestamps in milliseconds (not seconds).The pick order of participants is 0-5-1-6-2-7-3-8-4-9.The totalGame fields is incorrect in most cases.

lol

Collecting Data

Match DataThe best way to collect a large set of matches is not straightforward. Typically you need code that does this: Collect a few summoners by hand. Just your own summoner is likely enough, or you could use all challenger players.Get the account IDs of those summoners.Get their

replay-api

Replay API

The Replay API is a new game client API that allows developers to adjust the in-game camera during replays. We have also released League Director, which uses these APIs and will give a good jumping off point for any development. Because the Replay API is fairly new, the best place

Getting Started

Mobile Apps (& CORS Error)

Client-side calls to the Riot API are blocked because there is no way to make them without exposing your API key to users. You will need to set up a backend server that can make API calls while keeping your API key secure. If you want to quickly set up

client

LCU - The League Client

The LCU, which stands for “League Client Update” is the League Client. You use parts of the LCU for your projects. This page contains up-to-date information for which endpoints you are allowed to use. It’s important that you create an application on the dev portal telling Riot how you

ids

PUUIDs and Other IDs

The Riot API uses three IDs for players: summoner IDs, account IDs, and PUUIDs. Different APIs use different IDs, and you should use whichever ID is required by the API you are using. Summoner and account IDs are only unique per region, and PUUIDs are unique globally. Because the PUUID

faq

Your Application

You can apply for a personal or production app by clicking “Register Project” on the main dev portal page. Do not apply for a project if you just want to test the API. If you are developing a project or just testing things out, use your development key that Riot

cdragon

Community Dragon

Community Dragon, or cdragon for short, is a massive collection of community-generated files to augment the data in ddragon. If you can’t find what you’re looking for in ddragon, look in cdragon. This is a useful link to start at. If you can’t find what you’re

datadragon

Data Dragon

Data Dragon, or ddragon for short, is a set of static data files that provides images and info about champions, runes, and items. This includes info to translate champion IDs to names. You can download the entire set of data and images by downloading this tarball (make sure to change

faq

How to regenerate your API key

There are may reasons as to why you may want to regenerate/reset your API key, One being accidentally leaking it or committing it to a public repository. This guide will help you regenerate your API key. Developer KeysStep one: Head to the developer portal and scroll down and complete

Getting Started

Welcome to Hextechdocs

League of LegendsThis document will provide you with a basic understanding of the League of Legends developer resources. It is designed to help you begin exploring and developing your own tools and products for League of Legends. Getting StartedBefore starting on a product for League of Legends, there are two

lcu

LCU API FAQ

What is the LCUThe LCU, which stands for “League Client Update” is the League Client. What is the LCU API?The LCU API are is collection of endpoints that the league clients renderer uses to display and modify information What can you do with the LCU API?Anything you can

lcu

Getting started with the LCU websocket

Alongside the LCU REST API, the League Client Architecture uses a websocket connection to communicate changes from the LCU itself to the UX process to be shown to you (for example a friend request or a chat message you receive). This guide will show you how to connect to this

lcu-api

Getting started with the LCU API

Ever since the new client came out and people found out that the League Client Update has a REST API that you can talk to, people have been hard at work figuring out what kind of amazing features they can make to supplement the out of game experience. This guide

map-data

Map data

Match Timeline Data Position ValuesMatch timeline provides positions for various events. Here is a list of the maps and the bounds used for that. Example in Javascript on how to use maps and positions : http://jsfiddle.net/ow4tsbne NameImageNotesSummoner's Rifthttps://ddragon.leagueoflegends.com/cdn/10.18.1/img/map/map11.

item-sets

Item Sets

Disclaimer : this article consists in the old doc from the official dev portal : https://web.archive.org/web/20190629194439/https://developer.riotgames.com/item-sets.html An item set is a custom set of items that are displayed within the in-game item shop. They are included in a drop down along

third-party-code

[Obsolete] Using third-party-code to verify account ownership

As noted by Riot in this tweet, the Third Party Code API has been removed and users are encouraged to migrate over to RSO in lieu of using this endpoint. Anything noted in this document is no longer usable as of the 7th of March 2022.Before the new rune

rate-limiting

Rate Limiting

Disclaimer : this article consists in the old doc from the official dev portal : https://web.archive.org/web/20190629194440/https://developer.riotgames.com/rate-limiting.html What is Rate Limiting?In order to control the use of the Riot Games API, we set limits on how many times endpoints can be

riot-api

Crawling matches using the Riot Games API

One of the most popular use cases of the match-5 API is providing statistics like winrates, playrates, banrates and common runes/builds on a per champion rather than a per player basis. Doing this requires access to as many matches as possible to provide accurate information. This guide will show