openapi: 3.1.0
info:
  title: Booking.com Car Rentals Accommodations Availability API
  description: The Booking.com Car Rentals API is part of the Demand API and provides endpoints specific to the car rental segment of the connected trip experience. Developers can use it to search for available car rentals, retrieve car details, look up depots and suppliers, and access depot review scores. The API enables affiliate partners to integrate Booking.com's car rental inventory into their own platforms, offering users the ability to find and book vehicles as part of their travel planning workflow.
  version: '3.1'
  contact:
    name: Booking.com Developer Support
    url: https://developers.booking.com/demand/docs
  termsOfService: https://www.booking.com/content/terms.html
servers:
- url: https://demandapi.booking.com/3.1
  description: Production Server
security:
- bearerAuth: []
  affiliateId: []
tags:
- name: Availability
  description: Endpoints for updating room availability, pricing, and booking restrictions using B.XML format.
paths:
  /hotels/xml/availability:
    post:
      operationId: updateAvailability
      summary: Create or update availability, rates, and restrictions
      description: Specifies a property's availability for specific rooms, rates, and dates, including the number of available rooms, prices depending on occupants, and restrictions on length of stay and check-in/check-out dates. This is the primary endpoint for keeping inventory and pricing synchronized with Booking.com.
      tags:
      - Availability
      requestBody:
        required: true
        content:
          application/xml:
            schema:
              type: string
              description: B.XML availability request document specifying room counts, rates, and restrictions by date range and room/rate combination.
      responses:
        '200':
          description: Availability update processed successfully
          content:
            application/xml:
              schema:
                type: string
                description: B.XML response indicating success or failure of the availability update with any error details.
        '400':
          description: Invalid XML request
        '401':
          description: Authentication failed
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: Bearer token authentication. Include your API key token in the Authorization header.
    affiliateId:
      type: apiKey
      in: header
      name: X-Affiliate-Id
      description: Your Booking.com Affiliate ID, required with every request.
externalDocs:
  description: Booking.com Car Rentals API Documentation
  url: https://developers.booking.com/demand/docs/open-api/demand-api/cars