List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-rules&page=6004
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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                "id": 12619,
                "name": "Happy Go!!!",
                "summary": "Feel free to join and create tournaments!\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday    \nSingle Elimination tournaments every Thursday\n\nHAPPY",
                "require_invitation": false,
                "is_public": true,
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            "started": "2025-11-09T04:00:33.006722Z",
            "ended": "2026-04-08T13:36:47.444767Z",
            "start_waiting": "2025-11-09T04:00:32.816734Z",
            "board_size": 19,
            "active_round": null,
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}