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<h1>Sleeper API Documentation</h1>
<h2>Base URL</h2>
<p>https://api.sleeper.app/v1</p>
<h2>Introduction</h2>
<p>The Sleeper API is a read-only HTTP API that is free to use and allows access to a user's leagues, drafts, and rosters.</p>
<p>No API Token is necessary, as you cannot modify contents via this API.</p>
<p>Rate limit: Stay under 1000 API calls per minute to avoid IP blocking.</p>
<h2>Endpoints</h2>
<h3>User</h3>
<pre>
GET /user/{username}
GET /user/{user_id}
Response:
{
"username": "sleeperuser",
"user_id": "12345678",
"display_name": "SleeperUser",
"avatar": "cc12ec49965eb7856f84d71cf85306af"
}
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<h3>Leagues</h3>
<pre>
GET /user/{user_id}/leagues/nfl/{season}
GET /league/{league_id}
GET /league/{league_id}/rosters
GET /league/{league_id}/users
GET /league/{league_id}/matchups/{week}
GET /league/{league_id}/winners_bracket
GET /league/{league_id}/losers_bracket
GET /league/{league_id}/transactions/{round}
GET /league/{league_id}/traded_picks
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<h3>Drafts</h3>
<pre>
GET /user/{user_id}/drafts/nfl/{season}
GET /league/{league_id}/drafts
GET /draft/{draft_id}
GET /draft/{draft_id}/picks
GET /draft/{draft_id}/traded_picks
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<h3>Players</h3>
<pre>
GET /players/nfl
GET /players/nfl/trending/{type}?lookback_hours={hours}&limit={limit}
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<h3>NFL State</h3>
<pre>
GET /state/nfl
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