Topographic Map API, one of the LandsD Map APIs, is a XYZ Map Tile Service which enables application developers to retrieve standard topographic map tiles. The service is available from zoom level 10 - 20.
Important Notice on Map API
In order to maintain the quality of the Map API service, your application shall not invoke the API with large amount of requests within a short period.
The use of the Map APIs (including base map details) provided on this website is subject to the Terms and Conditions as well as the IP Rights Notice of LandsD Map API. You are required to include Lands Department logo on the map face and Copyright Notice to attribute Lands Department’s data in your map applications.
Map from Lands Department
Aerial Photograph from Lands Department
Guangdong-Hong Kong-Macao Greater Bay Area Satellite Image Map 2022 (Images from Copernicus Sentinel-2)
Pan-Pearl River Delta Satellite Image Map 2016 (Images from Landsat)
Globe Satellite Image Map 2001 (Images from MODIS)
The map information including Digital Map, Digital Aerial Photo, Digital Orthophoto and Satellite Image provided on this web site is protected by copyright owned by the Government of the Hong Kong Special Administrative Region (the “Government”). No express or implied warranty is given to the accuracy or completeness of such map information or its appropriateness for use in any particular circumstances. The Government is not responsible for any loss or damage whatsoever arising from any cause in connection with such map information or with this web site.
The Guangdong-Hong Kong-Macao Greater Bay Area Satellite Image Map (“the Image Map”) is prepared by the Survey and Mapping Office of the Lands Department of the Government. It contains modified Copernicus Sentinel data  from Copernicus Sentinel-2 data captured in 2022, which covered a large region of Guangdong-Hong Kong-Macao Greater Bay Area for reference of the public. Users should make their own assessment of the Image Map and are advised to verify the information therein before use.
[version] specifies the version number of this API, which is currently "v1.0.0". Notes: The version number may be updated in the future. Old version will be removed at any time without notice. Please check this page to get the list of supported version and update your application(s) accordingly.
[sr] specifies the spatial reference system:
Use value "WGS84" to specify the "WGS84" spatial reference system
Use value "HK80" to specify the "HK80" spatial reference system
[z] specifies the zoom level (10 - 20) of the map tile under the XYZ Tile Scheme
[x] specifies the x position of the map tile under the XYZ Tile Scheme
[y] specifies the y position of the map tile under the XYZ Tile Scheme
Map tiles will be returned in PNG format.
This API uses the standard HTTP status code to indicate the status of the API request.