About car rentals 
Enable travellers to easily find, compare, and book car rentals.
Demand API for Cars
Unlock new revenue opportunities and elevate your travellers’ experience with Demand API for Cars.
This API collection provides real-time access to Booking.com's worldwide car rental inventory, including availability, pricing, and booking functionality (v3.2).
Key benefits
- Global reach – Access a worldwide catalog of cars across 45,000 locations, sourced from over 200 trusted suppliers in 150 countries.
- Real-time availability and data – Retrieve up-to-date prices, precise depot locations (including coordinates and opening times), supplier and car details, etc.
- Flexible architecture – Modular API design allows bespoke user journeys beyond standard booking solutions.
- Advanced filtering – Implement granular search filters, such as insurance options and vehicle categories, for a highly tailored booking experience.
Features
The Car rental API supports a wide range of capabilities:
| Feature | v3.1 | 3.2 Beta |
|---|---|---|
| Search for cars | ✅ | ✅ |
| Check detailed car information | ✅ | ✅ |
| Depots & ratings | ✅ | ✅ |
| Explore suppliers | ✅ | ✅ |
| Car rental Terms & Conditions | ❌ | ✅ |
| View availability | ❌ | ✅ |
| Make reservations (using orders/preview and orders/create) | ❌ | ✅ |
| Review car order details | ✅ | ✅ |
| Review car rental terms & conditions | ❌ | ✅ |
- Use v3.1 for quick search-and-redirect integrations.
- And v3.2 (Beta) if you want full booking control within your application.
Use cases
| Use case | Description |
|---|---|
| Comparison websites | Display Booking.com Cars results alongside multiple suppliers for easy comparison. |
| Custom cross-sell | Offer personalised car options post-booking flights or accommodation, e.g., filtered by cheapest options. |
| Interactive map integration | Show depot locations on an interactive map, allowing users to visually select pickup and drop-off points. |
| Fully customised experience | Control the look, feel, and branding of every step in the car rental journey. |
| In-path | Offer car rentals as an optional add-on within the flight booking process for a seamless multi-product experience. |
Who is this for?
The Car rentals API is recommended for existing Demand API Affiliate Partners who want to:
- Enhance the post-booking journey.
- Increase cross-sell opportunities.
- Improve traveller satisfaction with convenient, personalised options.
Integration options
The Car Rentals API offers some integration flows, tailored to partner needs:
v3.1 Content flow
- Display car options with depots, suppliers, and scores
- Redirect travellers to cars.booking.com for booking
- Stable, production-ready
3.2 Beta Search, look & book flow
- End-to-end booking via API
- Availability checks and reservations supported
- Beta – special permission required
v3.1 Post-booking flow
- Perform management and reporting tasks for placed orders.
- Via orders/details run your reports and manage label attributions, etc
- Stable, production-ready
Content flow
This stable version allows you to store and display car rental options with depots, suppliers and scores, and redirect travellers to cars.booking.com for booking.
It mirrors the accommodation Content integration flow.
See the Static data guide for more details.
Main actions and endpoints
These are the main actions and involved endpoints. Use these endpoints in your client application so your travellers can search and look at car rentals provided by Booking.com.
| Action | Endpoint | Result |
|---|---|---|
| Search for vehicles | cars/search | Travellers see prices and details for all available vehicles on their route. |
| View details | /cars/suppliers /cars/depots /cars/details /cars/constants | Travellers can explore vehicle, supplier, and depot details. |
| Redirect to booking | URL from /search response | Travellers complete their booking directly on cars.booking.com |
See Car rentals quick guide for step-by-step explanation and best practices.
Search, look and book flow (v3.2 - Beta)
Demand API 3.2 Beta version integrates the Car rentals end-to-end booking, letting your application handle reservations directly through the API.
This version is currently in Beta and subject to changes.
- Use it for early integration or testing purposes only.
- Special permission from Booking.com is required to access it, contact your Account manager for more details.
Main actions and endpoints
These are the main actions and involved endpoints. Use these endpoints in your client application so your travellers can search, look and book car rentals.
| Action | Endpoint | Result |
|---|---|---|
| Search for vehicles | cars/search | Travellers see prices and details for all available vehicles on their route. |
| Retrieve details | /cars/suppliers /cars/depots /cars/details | Travellers can explore vehicle, supplier, and depot details. |
| Check availability (3.2 Beta) | /cars/availability | Travellers can see full breakdown of fees and prices, and select optional extras like Additional driver or Child seat. |
| See Terms & Conditions (3.2 Beta) | /cars/terms-and-conditions | Travellers can see the Terms and Conditions for the selected vehicle before booking. |
| Proceed the booking (3.2 Beta) | /orders/preview and orders/create | Travellers can book their car rentals directly from your platform. |
See Car rentals tutorial for full Search, look and book end-to-end explanation and best practices.
Post booking flows
Use /orders/details and orders/details/cars to retrieve car rental order data including pricing, payment information, order status, commission, etc.
So you can generate reports:
- Synchronise order data with internal systems.
- Retrieve details by ID or within specific date ranges.
- Track labels attributions.
Use /orders/details/cars/terms-and-conditions (3.2 Beta) to review the booking terms and conditions.
See the Orders details guide for general examples and best practices.
Next steps
To start integrating Car Rentals API:
- Get started with the Cars API Quick Guide.
- Explore the Search Guide and use cases.
- Planning to migrate your integration? Follow the Cars migration guide for a smooth transition.