HomePrice Hong Kong Property Valuation Data API Service V2 (New)

For business interested in our Hong Kong property valuation data, we offer a standard API service for accessing all of our available valuation data.

The pricing and detail are as follow:

Plan	Standard 002	Advanced 002
Service Fee	HK$20,000 per month	HK$38,000 per month
Query rate limits	Maximum 20,000 HTTP requests per day and 20 HTTP requests per minute	Maximum 50,000 HTTP requests per day and 50 HTTP requests per minute
API Service	Request via standard HTTP GET request, Response in JSON format. See technical details.
Available Data	Estate names and locations (district and regions) in Chinese and English Building names and phase (if any) in Chinese and English Units floor and name and current valuation	All data available from the Standard 002 plan plus: Unit saleable area in feet Unit valuation historical trend
Estate Coverage	The new V2 API comes with 3000+ residential estates / buildings, please contact us for the complete list of available estates. The follow types of resident are usually excluded: detached house (獨立屋), village house (村屋), tenement building (唐樓), buildings without name, building with very few units or transactions.
Valuation Accuracy	Median absolute error: 4.58% ^{Note 1} Average error: +0.43% ^{Note 2} (based on valuations from 2022-06-21 to 2023-06-20)
Update Frequency	Everyday after new transaction data are published.
Payment Method	Monthly invoice and payment by bank transfer, please contact us: info@homepricehk.com
Disclaimer	TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, HOMEPRICE AND ITS SUPPLIERS DO NOT MAKE ANY WARRANTY OF ANY KIND, WHETHER EXPRESS, IMPLIED, STATUTORY OR OTHERWISE, INCLUDING WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR USE AND NONINFRINGMENT. NEITHER HOMEPRICE NOR ITS SUPPLIERS, WARRANTS THAT THE OPERATION OF THE SERVICE WILL BE ERROR-FREE OR UNINTERRUPTED. THE SERVICE IS NOT DESIGNED, MANUFACTURED, OR INTENDED FOR HIGH RISK ACTIVITIES. NEITHER HOMEPRICE, NOR HOMEPRICE’S SUPPLIERS, WILL BE LIABLE FOR LOST REVENUES OR INDIRECT, SPECIAL, INCIDENTAL, CONSEQUENTIAL, EXEMPLARY, OR PUNITIVE DAMAGES.
Notes	Median absolute error (MAE): Absolute Error = (\|Homeprice Valuation Price - Actual Transaction Price\|) / Actual Transaction Price x 100%. The Median absolute error is the median of absolute error of all transactions. For instance, if MAE is 4%, half of our valuation had an absolute error of less than 4%. Average error: Error = (Homeprice Valuation Price - Actual Transaction Price) / Actual Transaction Price x 100%. Average error indicate how much we over or understand estimate from the market trend as a whole.