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Address Finder &
Validation API

Drop address lookup into any stack. Includes UPRN & rooftop geocodes on every selected address, at no additional cost.

Get API Key (50 Free Credits)

No card. Takes 30 seconds

Lat. 51.5034. Long. 0.1276 (11)

Add Address Lookup in Minutes

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Stop Address Errors at Input
Before They Hit Production

Faster checkouts & fewer address errors

<100ms typical response time

Works wherever
your users are

Full coverage (UK + international)

Drop in any stack — keep your existing form

Script snippet or JSON API

Get unstuck fast
with real engineers

Dev docs & tools, plus code-level
support on chat/email

Handles spikes
automatically

Auto-scales to millions of requests/min

Easier security &
compliance sign-off

ISO certified • GDPR compliant • Data stays local

Property-level ID (URPN) included

Stable ID for dedupe, linking records, and cleaner customer data

Rooftop geocodes included

Lat/long for delivery zones, routing, eligibility checks, analytics

  
 

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No Credit Card Required for Trial · Quick integration · Includes UPRN & rooftop-geocodes
 
Get API Key (50 Free Credits)