OS Places API

Find UK addresses instantly online and be confident you're getting the most up-to-date information with our address API.  Perform accurate geocoding and reverse geocoding with our secure, scalable, and resilient address look-up web service. Search by postcode, UPRN, full or partial address and ensure you get the right address first time. Keep your records accurate to provide effective citizen services. Our secure, scalable, and resilient address look-up web service, OS Places API lets you search the UK's most comprehensive online address database. With OS Places API, managing customer data is a breeze. Lightning-quick postcode and address search means your records are accurate and customer deliveries should always get to the right front door. When an incident happens, control room staff need to know which properties are closest. OS Places' GeoSearch tools give instant answers. This helps create the common operating picture that's vital for the emergency services.