openapi: 3.1.0 info: title: Guesty Open Calendars API description: Minimal OpenAPI description for the Guesty Open API. Covers a representative subset of resources for property management including listings, reservations, guests, calendar availability, and conversations across multi-channel distribution. Generated from public documentation; verify before production use. version: '1.0' contact: name: Guesty Open API Documentation url: https://open-api-docs.guesty.com/ x-generated-from: https://open-api-docs.guesty.com/ x-generated-by: claude-crawl-2026-05-08 servers: - url: https://open-api.guesty.com description: Guesty Open API production security: - bearerAuth: [] tags: - name: Calendars description: Listing availability and pricing paths: /calendars/listings/{listingId}: get: operationId: getCalendar summary: Get listing calendar description: Retrieve availability and pricing for a listing. tags: - Calendars parameters: - name: listingId in: path required: true schema: type: string - name: from in: query schema: type: string format: date - name: to in: query schema: type: string format: date responses: '200': description: Successful response content: application/json: schema: type: object components: securitySchemes: bearerAuth: type: http scheme: bearer bearerFormat: JWT