{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://docs.sportmonks.com/schemas/fixture.json",
  "title": "Sportmonks Fixture",
  "description": "Schema for a Sportmonks Football fixture entity returned by the /fixtures and /livescores endpoints.",
  "type": "object",
  "required": ["id", "sport_id", "league_id", "season_id", "starting_at"],
  "properties": {
    "id": { "type": "integer", "description": "Unique fixture identifier." },
    "sport_id": { "type": "integer", "description": "Sport identifier (1 = football)." },
    "league_id": { "type": "integer", "description": "League the fixture belongs to." },
    "season_id": { "type": "integer", "description": "Season identifier." },
    "stage_id": { "type": ["integer", "null"], "description": "Stage identifier where applicable." },
    "group_id": { "type": ["integer", "null"], "description": "Group identifier for group-stage fixtures." },
    "aggregate_id": { "type": ["integer", "null"], "description": "Aggregate identifier for two-legged ties." },
    "round_id": { "type": ["integer", "null"], "description": "Round identifier within the season." },
    "state_id": { "type": "integer", "description": "Fixture state (e.g., not started, in play, finished)." },
    "venue_id": { "type": ["integer", "null"], "description": "Venue identifier." },
    "name": { "type": "string", "description": "Display name of the fixture (e.g., 'Team A vs Team B')." },
    "starting_at": { "type": "string", "format": "date-time", "description": "Scheduled kickoff timestamp in ISO 8601 UTC." },
    "starting_at_timestamp": { "type": "integer", "description": "Scheduled kickoff as a Unix timestamp." },
    "result_info": { "type": ["string", "null"], "description": "Textual result summary, e.g. 'Team A won after extra time'." },
    "leg": { "type": ["string", "null"], "description": "Leg of a multi-leg tie." },
    "details": { "type": ["string", "null"], "description": "Additional details about the fixture." },
    "length": { "type": ["integer", "null"], "description": "Total length of the match in minutes." },
    "placeholder": { "type": "boolean", "description": "True when fixture participants are not yet known." },
    "has_odds": { "type": "boolean", "description": "True when odds data is available for the fixture." },
    "has_premium_odds": { "type": "boolean", "description": "True when premium odds data is available." }
  }
}