Bring your apps alive withOS APIsWith OS APIs, you can start using Britain’s most detailed, accurate location data tohelp everyone find exactly what they’re looking for. Ordnance Survey’s APIs bringGreat Britain’s landscape to life, with maps, data, insights and more.
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Security Update - Change to SSL Server Certificate for OS api.ordnancesurvey.co.uk - Learn moreFrom 24 September, OS will be changing all SSL certificates to a new provider. While most customers will not experience any impact when SSL certificates are changed, some customers may need to take action to continue to use our services. This action will complete on 16 October.Security Update - Extension period for TLS 1.2 migration until 30 Sept 2018 - Learn moreFrom 30 September, the Transport Layer Security (TLS) protocols 1.0 and 1.1 on our APIs will be disabled. You must fully migrate by 30 September to ensure continuity of service. After this date, any call you make to our APIs will need to use 1.2.OS APIS Team - 23/08/2018 |
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MAPS |
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Maps
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OS Maps API for EnterpriseAccess detailed layers of topographical data for Enterprise users all in an easy to use RESTful API with standard projections.Pricing | API docs |
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With OS Maps API, you’ll get access to the maps your users really trust.
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Places
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OS Places APIGet closer to your customers. With OS Places API you'll get access to the most accurate addressing data in Great Britain.Free trial | Pricing | API docs
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Everyone needs to work smarter, not harder. With our Data APIs, you'll find places and assets, and can plan your routes, faster and easier every time. |
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OS Match & Cleanse APIPerfect if you only need to dedupe and cleanse address data for your business. With over 40 million address records.Free trial | Pricing | API docs |
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OS Names APIA free, searchable, reliable database to help you find and verify populated places, road names, road numbers and postcodes.Free plan | Learn more | API docs
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INSPIRE Address ViewAn INSPIRE compliant view service for addresses derived from AddressBase Premium.Free plan | Learn more | API docs |
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Manage your API keys and monitor yourusage in My Keys
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Comprehensive guides and code snippets tostart building with OS APIs |
Ask us questions and find answers inDeveloper Portal support
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