Free UK property data API Start free →
Live API — no signup required

Try the API

Real UK property data, live. Search an address or postcode and see what our API returns — then grab your free key to build with it.

GET /api/address/find/?query=

Search 29M+ UK addresses. Returns matching addresses with UPRNs. 2 calls per request.

Response
// Make a request above to see the live API response here.
// This is real data from 29M+ UK properties.
//
// When you're ready, get your free API key:
// → 100 calls/month, no credit card required.

Ready to build?

Free tier: 100 API calls/month. No credit card. Key in 30 seconds.

Get free API key →

Three lines of code to property data

1

Get your key

Sign up free — API key generated instantly. No approval process, no sales calls.

2

Make your first call

REST API with JSON responses. Any language, any framework. cURL to production in 60 seconds.

3

Scale when ready

Free tier covers prototyping. Upgrade to Starter (£49/mo) when you need more calls.