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Lichess Simuls API

Access simuls played on Lichess.

Lichess Simuls API is one of 23 APIs that Lichess publishes on the APIs.io network, described by a machine-readable OpenAPI specification and an AsyncAPI event-driven specification.

This API exposes 2 JSON Schema definitions.

Tagged areas include Simuls. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an AsyncAPI specification, a JSON-LD context, and 2 JSON Schemas.

This API exposes 1 operation across 1 path, and defines 7 schemas. It is described by OpenAPI 3.1.0, at version 2.0.144.

Requests are made against 4 base URLs: https://lichess.org, https://lichess.dev, http://localhost:{port}, http://l.org.

1 operations 1 paths 7 schemas 1 GET

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.1.0
API Version
2.0.144
Base URL
https://lichess.org
Authentication
OAuth 2.0
Resource Areas
1

Authentication & Security 1

Lichess Simuls API declares 1 security scheme for authenticating requests. It supports OAuth 2.0 (OAuth2) using the authorizationCode flow, exposing 23 scopes.

  • OAuth2 — Read [the introduction for how to make authenticated requests](description/authentication).

Paths & Operations 1

Across 1 path, the API surfaces 1 operation — 1 GET. Each is listed below with its method, path, parameters, and response codes.

Simuls 1

Access simuls played on Lichess.

GET
/api/simul
Get current simuls
apiSimul → 200

Schemas 7

The contract defines 7 schemas that model the data the API accepts and returns. The most detailed are Simul (14 properties), LightUser (6 properties). Each schema is shown below with its type and property counts.

Flair
string
See [available flair list and images](https://github.com/lichess-org/lila/tree/master/public/flair)
LightUser
object
6 properties 2 required
PatronColor
integer
Players can choose a color for their Patron wings. See [here for the color mappings](https://github.com/lichess-org/lila/blob/master/ui/lib/css/abstract/patron…
Title
string
only appears if the user is a titled player or a bot user
Patron
boolean
Use patronColor value instead to determine if player is a patron.
Simul
object
14 properties 10 required
VariantKey
string

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

lichess-simuls-api-openapi.yml Raw ↑

Other APIs Lichess publishes across the network.

Lichess Account API
Lichess Analysis API
Lichess Board API
Lichess Bot API
Lichess Broadcasts API
Lichess Bulk pairings API
Lichess Challenges API
Lichess External engine API
Lichess FIDE API
Lichess Games API
Lichess Messaging API
Lichess OAuth API
Where this information came from

This is an independent, third-party profile of Lichess Simuls API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

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