Accurate, up-to-date maps that offer the most convenient way to add detailed OS data to your application. Benefit from unrivalled levels of detail in your GIS, web or mobile app. OS Maps API contains OS MasterMap Topography Layer, 1:25 000 Scale Colour Raster and more data layers.
This product is updated every six weeks (largest scales)
No need to update or download the latest version - OS Maps API always provides the most up-to-date mapping in unrivalled detail, including OS MasterMap Topography Layer.
Choose from four beautifully styled map suites to fit your needs, from our iconic Leisure Maps to a more subtle Light style mapping.
OS Maps API is interoperable with most geospatial software; you can access the maps via OGC standard Web Map Tile Service (WMTS) or RESTful ZXY.
You can use OS Maps API with web mapping libraries like Mapbox GL JS, Leaflet, OpenLayers and ArcGIS API for JavaScript.
OS Maps API has four map style options; Leisure, Road, Outdoor and Light.
OS Maps API has two projection options; British National Grid (EPSG: 27700) and Web Mercator (EPSG: 3857).
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