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Ordnance Survey Linked Identifiers REST API v1.0

The Ordnance Survey Linked Identifiers API provides access to relationships between mapping properties, streets and OS MasterMap identifiers. It enables users with to look up an identifier and find its associated identifiers, look up linked identifiers and more. Ordnance Survey is a British mapping agency that provides data and information about geography, GI and mapping.
Ordnance Survey Linked Identifiers