For integrating the fundamental and core maps produced by NLSC and providing standard shared platform and generic maps for the general public, NLSC has established “Taiwan MAP Service” to provide inquiry, browsing, and overlapping services via network map approach, while the Web Map API service can be used without the need for any application or fee, and it can be interfaced with the WMS, WMTS (Web Map Tile Service) services meeting the OGC standard.