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API REFERENCES/Version 3.1/
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Constants

Constants

Request

Use this endpoint to retrieve standardised codes and names for accommodation-specific types, including facilities, room types, bed types, themes, and charges.
These constants can be used to filter searches or populate reference data across other accommodation endpoints.
You can request multiple languages using IETF language tags (see common/languages).
Call with an empty body to retrieve all constants. The codes returned are canonical identifiers used across the API.

Security
BearerAuth
Headers
X-Affiliate-Idintegerrequired

Include here your Affiliate identifier number

Bodyapplication/json
constantsArray of strings

Allows to filter the results only for specific sections.

Items Enum:"accommodation_facilities""accommodation_themes""accommodation_types""bed_types""charge_types""facility_types""review_scores""room_facilities""room_types"
languagesArray of strings
Default:["en-gb"]
curl -i -X POST \
  https://demandapi.booking.com/3.1/accommodations/constants \
  -H 'Authorization: Bearer <YOUR_string_HERE>' \
  -H 'Content-Type: application/json' \
  -H 'X-Affiliate-Id: 0' \
  -d '{
    "languages": [
      "en-gb",
      "zh-cn"
    ]
  }'

Responses

Successful response.

Bodyapplication/json
request_idstring

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

dataobject(ConstantsDataOutput)
Response
{
  "request_id": "01fr9ez700exycb98w90w5r9sh",
  "data": {
    "accommodation_facilities": [ … ],
    "accommodation_themes": [ … ],
    "accommodation_types": [ … ],
    "bed_types": [ … ],
    "charge_types": [ … ],
    "facility_types": [ … ],
    "review_scores": [ … ],
    "room_facilities": [ … ],
    "room_types": [ … ]
  }
}