openapi: 3.0.3 info: title: Sportmonks Football Fixtures Seasons API description: 'REST API providing soccer/football data including livescores, fixtures, schedules, standings, teams, players, predictions, and odds across 2,500+ leagues worldwide. All endpoints accept the API token either as an `Authorization` header or as an `api_token` query parameter. Responses are JSON and support `include`, `filters`, and `select` query parameters for response shaping. ' version: '3.0' contact: name: Sportmonks Support email: support@sportmonks.com url: https://www.sportmonks.com/ termsOfService: https://www.sportmonks.com/terms-of-service/ license: name: Sportmonks Commercial License url: https://www.sportmonks.com/terms-of-service/ servers: - url: https://api.sportmonks.com/v3/football description: Sportmonks Football API v3 production base URL security: - ApiTokenHeader: [] - ApiTokenQuery: [] tags: - name: Seasons description: Season records and per-season fixture lists. paths: /seasons: get: operationId: listSeasons summary: List Seasons description: Returns all season records. tags: - Seasons responses: '200': description: A list of seasons. components: securitySchemes: ApiTokenHeader: type: apiKey in: header name: Authorization description: Sportmonks API token passed as the value of the Authorization header. ApiTokenQuery: type: apiKey in: query name: api_token description: Sportmonks API token passed as the api_token query parameter.