Skip to content
API REFERENCES/Beta/Autocomplete/
Retrieve autocomplete sug...

Booking.com Demand API (3.2-Beta)

Beta version – experimental endpoints

This API version is currently in Beta and is offered to a limited set of pilot affiliate partners. Access is granted on request via your Booking.com account manager.

⚠️ Important: This API is under active development. Endpoints, request/response structures, and functionality may change without prior notice. Specifications are updated frequently during the pilot phase.

  • Consult the Changelog for the latest updates.
  • All requests require authentication using your Affiliate ID and token credentials.
Download OpenAPI description
demand-api.json
demand-api.yaml
Languages
Servers
Production environment – use for live integrations.
https://demandapi.booking.com/3.2
Sandbox environment – use for testing and validation.
https://demandapi-sandbox.booking.com/3.2

Accommodation

This collection includes endpoints related to stays within the connected trip experience.
Use these endpoints to:
- Search for hotels, apartments, and other accommodation types.
- Check real-time availability and pricing.
- Retrieve property details and guest reviews.

Operations

Attractions

Operations

Car rentals

This collection includes endpoints related to car rental services within the connected trip experience.
Use these endpoints to:
- Search and retrieve car details.
- Retrieve car specifications, depot locations, and supplier information.

Operations

Autocomplete

Use this endpoint to retrieve ranked suggestions based on a free-text query. Designed for real-time "as-you-type" autocomplete experiences.

Operations

Retrieve autocomplete suggestions

Request

Returns ranked suggestions based on the free-text query, destination popularity, and the provided context. This endpoint is designed for real-time "as-you-type" autocomplete experiences.\n\nSupports prefix matching with basic typo tolerance and is optimised for low-latency search.\n\nYou can optionally restrict results by destination type using filters.types.\n\nEach suggestion includes a destination identifier, localised name, and geographic context.

Security
BearerAuth
Headers
X-Affiliate-Idintegerrequired

Include here your Affiliate identifier number

Bodyapplication/jsonrequired
querystring[ 3 .. 200 ] charactersrequired

Free-text search query used to generate suggestions. Leading and trailing whitespace is ignored. Must contain between 3 and 200 characters.

languagestring(languageId)^[a-z]{2}(-[a-z]{2})?$

A IETF language tag code that uniquely identifies a supported human language or dialect. Note: Demand API only accepts lowercase for the language codes. Examples: "nl" for Dutch/Nederlands or "en-us" for English (US). To retrieve the full list of supported languages, call the /common/languages endpoint in the same Demand API version you are using.

Default "en-gb"
countrystring(countryId)^[a-z]{2}$required

A two-letter code that uniquely identifies a country. This code is defined by the ISO 3166-1 alpha-2 standard (ISO2) as described here: https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2. The full list can be obtained by calling common/locations/countries.

filtersobject(autoCompleteFilters)

Restricts results to the specified destination types. If omitted, all types are included. It should not be an empty object.

curl -i -X POST \
  https://demandapi.booking.com/3.2/common/autocomplete \
  -H 'Authorization: Bearer <YOUR_string_HERE>' \
  -H 'Content-Type: application/json' \
  -H 'X-Affiliate-Id: 0' \
  -d '{
    "query": "ams",
    "language": "en-us",
    "country": "nl",
    "filters": {
      "types": [
        "airport"
      ]
    }
  }'

Responses

Successful response with ranked suggestions.

Bodyapplication/json
request_idstring(requestId)

Uniquely identifies the request. Please provide this identifier when contacting support.

dataArray of objects(AutoCompleteResultOutput)
Response
application/json

Locations

This collection provides standardised location identifiers for geographical entities such as airports, countries, cities, and regions.
Use the returned identifiers when constructing requests across all travel services API collections, including both accommodation and car rental endpoints.

Operations

Payments

Provides generic payment-related identifiers, including supported currency codes, payment cards, and relevant metadata for booking flows.
- Use the returned identifiers when constructing requests across all travel services API collections, including both accommodation and car rental endpoints.

Operations

Languages

Use this endpoint to retrieve a list of supported IETF language tag codes.
- You can use these codes when constructing requests across all travel services API collections, including both accommodation and car rental endpoints.

Operations

Orders

This API collection enables management of booking orders within the Demand API.
Use these endpoints to:
- Preview and create new orders.
- Check order details.
- Cancel or modify existing orders.
This collection is required to integrate booking and order management functionality.

Operations

Messages

This API collection enables two-way communication between guests and properties. Use these endpoints to send and receive messages, include attachments, follow conversations, and more.

Operations

Conversations

Operations

Attachments

Operations