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OS Match & Cleanse API

Match, correct and validate addresses against authoritative data from AddressBase Premium.

OS Match & Cleanse API

With OS Match & Cleanse API, you’ll have instant, reliable search results to make removing duplications and cleansing address data easier for your business.

Reliable results

Improve efficiency, guarantee accuracy and reduce costs. With OS Match & Cleanse API, you’ll have instant, reliable search results to make deduping and cleansing address data easier for your business.

Fewer, duplicate records

For customer data managers, OS Match & Cleanse API lets you build trust in your information. It makes it simple to correct errors from misheard phone calls, for example, so you get fewer duplicate records.

Clean address data

Use full or partial address strings to identify and match your targets – get information about residential and commercial properties quickly and easily.

Instant and reliable

Instant and reliable

With OS Match & Cleanse API, you’ll have instant, reliable search results to make deduping and cleansing address data easier for your business. Transform partial address information into the authoritative address to enhance asset management and customer data.

It's a RESTful web service, which is easy to integrate, and because you're not locked into Ordnance Survey - you're free to use our APIs with other provider's services (subject to third party terms and conditions).

Quick and easy

Quick and easy

Improve efficiency, guarantee accuracy and reduce costs throughout. Use postcodes and UPRNs or text strings to identify and match your targets – get information about residential and commercial properties quickly and easily.

Each address record contains geographic co-ordinates meaning that you can position it accurately on a map. They also contain the Unique Property Reference Number (UPRN) so you can cross reference the results with other datasets and ensure consistency.

Specifications

Key FeaturesWhat this product offers
FormatJSON and XML
Update Frequency​Every six weeks
Projection​British National Grid (EPSG: 27700), EPSG:4326, EPSG:3857 or EPSG:4258.
Availability​99.9% uptime
Supply​Access via the OS Data Hub
Coverage​Address, geometry and UPRN for GB; address only for Northern Ireland

Licensing

OS Data Hub plans

  • You’ll benefit from up to £1,000 of free Premium data every calendar month (no free OS Places API or OS Match & Cleanse API data), as well as free development mode.
  • Gives you access to both OS OpenData and Premium data within the API.
  • It can be used by anyone, whether you're a lone developer, a small company, or a big business.
  • You can use Premium Plan to develop an app or service for use by a third party, such as the public or another organisation. You cannot use Premium Plan to develop an app or service for your own use.

See the OS Data Hub Plans for more information.

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OS Match & Cleanse API FAQs

Case studies

BT connected to UK mapping data

British Telecom (BT) combined data from Ordnance Survey and Ordnance Survey of Northern Ireland in one seamless service to create a dataset for the UK.

Using OS data to help fix the housing market

How Sprift, a UK tech start-up and OS Partner has used brought together location intelligence on any property in the country, in one place, online.