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OS Downloads API

Save valuable time by automating the discovery and download of detailed OS data.

OS Maps API

Accurate, up-to-date maps that offer the most convenient way to add detailed OS data to your application.

OS OpenSpace (withdrawn)

OS OpenSpace has been withdrawn and superseded by the OS Maps API.

OS OnDemand (withdrawn)

OS OnDemand is no longer available (withdrawn in November 2021). We have now launched a new suite of APIs, accessible from our data access platform, OS Data Hub.

OS OpenSpace Pro (withdrawn)

OS OpenSpace Pro has been withdrawn and superseded by the OS Maps API.

OS Linked Identifiers API

The OS Linked Identifiers API allows you to access the valuable relationships between properties, streets and OS MasterMap identifiers.

OS Features API

Direct access to the most detailed geographic data for your analysis. Take full advantage of rich geometries and attributes to generate new insight.

OS Names API

With OS Names API, you’ll have access to a straightforward, rapid lookup service: drilling down into the details we hold in our OS Open Names dataset.

OS Places API

Find UK addresses instantly online and be confident you're getting the most up-to-date information with our address API.