Lichess

For usage, see OAuth 2.0 provider with PKCE.

import { Lichess } from "arctic";

export const lichess = new Lichess(clientId, redirectURI);

Get user profile

Use the /api/account endpoint

const tokens = await lichess.validateAuthorizationCode(code);
const lichessUserResponse = await fetch("https://lichess.org/api/account", {
	headers: {
		Authorization: `Bearer ${tokens.accessToken}`
	}
});
const user = await lichessUserResponse.json();

Get user email

Add the email:read scope and use the /api/account/email endpoint

const url = await lichess.createAuthorizationURL(state, codeVerifier, {
	scopes: ["email:read"]
});

const tokens = await lichess.validateAuthorizationCode(code);
const liichessEmailResponse = await fetch("https://lichess.org/api/account/email", {
	headers: {
		Authorization: `Bearer ${tokens.accessToken}`
	}
});
const { email } = await lichessUserResponse.json();