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# Lichess API

> Every Lichess endpoint on Cotlet: inputs, JSON Schema, cURL, Python and Node.js examples and an example response for each call.

Source: https://cotlet.dev/docs/api/lichess

Docs sections: [Get started](https://cotlet.dev/docs.md) · [REST API](https://cotlet.dev/docs/api.md) · [MCP](https://cotlet.dev/docs/mcp.md) · [SDKs & CLI](https://cotlet.dev/docs/sdks.md) · [Integrations](https://cotlet.dev/docs/integrations.md)

15 endpoints for Lichess, each at its own method and path, called with your API key. Open an endpoint for its inputs, examples and response.

- Base URL: `https://cotlet.dev/api/v1/lichess`
- Connects with: Your own Lichess account. Team tools need a team leader role, and sending team updates needs the Updates permission. You sign in yourself in your Cloud Browser; Cotlet never plays moves for you.
- Integration page: https://cotlet.dev/integrations/lichess-api-mcp-server

## Read

Return data and change nothing in the account.

| Endpoint | Description |
|---|---|
| [`GET /account`](https://cotlet.dev/docs/api/lichess/get_account.md) | Return the signed-in Lichess profile: username, title, ratings per game type and account dates. |
| [`GET /user-teams`](https://cotlet.dev/docs/api/lichess/list_user_teams.md) | List the teams a user belongs to, with member counts and which ones they lead. |
| [`GET /team-join-requests`](https://cotlet.dev/docs/api/lichess/list_team_join_requests.md) | List pending requests to join a team you lead, with each applicant's message and profile. |
| [`GET /arena-tournaments`](https://cotlet.dev/docs/api/lichess/list_arena_tournaments.md) | List recently active, running and upcoming Arena tournaments from the Lichess schedule. |
| [`GET /tournaments/{tournament_id}/arena-results`](https://cotlet.dev/docs/api/lichess/get_arena_results.md) | Return the final standings of an Arena tournament: rank, score, rating and performance per player. |
| [`GET /studies`](https://cotlet.dev/docs/api/lichess/list_studies.md) | List the studies of a user with their IDs, names and update dates. |
| [`GET /user-games/export`](https://cotlet.dev/docs/api/lichess/export_user_games.md) | Export the games of a user as PGN or JSON, newest first, filtered by date, game type, color and opponent. |
| [`GET /broadcasts`](https://cotlet.dev/docs/api/lichess/list_broadcasts.md) | List the broadcasts a user created, with their rounds and start dates. |

## Write

Change the account. Calls marked Confirm wait for the user to approve them.

| Endpoint | Description |
|---|---|
| [`POST /teams/{team_id}/join-request/accept`](https://cotlet.dev/docs/api/lichess/accept_team_join_request.md) (Confirm) | Accept one person's request to join a team you lead. |
| [`POST /teams/{team_id}/join-request/decline`](https://cotlet.dev/docs/api/lichess/decline_team_join_request.md) (Confirm) | Decline one person's request to join a team you lead. |
| [`POST /teams/{team_id}/update`](https://cotlet.dev/docs/api/lichess/send_team_update.md) (Confirm) | Send a message to all members of a team you lead. |
| [`POST /arena-tournaments`](https://cotlet.dev/docs/api/lichess/create_arena_tournament.md) (Confirm) | Create a public or private Arena tournament with a clock, length, start time and entry rules. |
| [`POST /studies/{study_id}/pgn-to-studies`](https://cotlet.dev/docs/api/lichess/import_pgn_to_study.md) (Confirm) | Add a PGN as new chapters to a study you own or can edit. |
| [`POST /broadcasts`](https://cotlet.dev/docs/api/lichess/create_broadcast.md) (Confirm) | Create a broadcast for an over-the-board event, to which rounds are added next. |
| [`POST /broadcasts/{broadcast_id}/round`](https://cotlet.dev/docs/api/lichess/create_broadcast_round.md) (Confirm) | Add a round to a broadcast, fed from a PGN URL, Lichess game IDs or Lichess usernames. |

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Cotlet is an independent service. It is not affiliated with, endorsed by or sponsored by any of the products listed on this site. Product names are trademarks of their respective owners.

## For AI agents: sign your user up

Is your user asking you to sign them up for Cotlet? You can do it for them, no account or key needed.

1. Read the fields and their allowed values: GET https://cotlet.dev/api/v1/access-requests
2. Ask the user for each value: email, apps, what you will do with them. If they leave the password to you, generate a strong one and show it to them.
3. Show the user what you will send, then POST it as JSON to https://cotlet.dev/api/v1/access-requests.

One call creates the account and sends the access request; we email the user when access is granted.