The definitive UK address API. Lightning-fast autocomplete, geocoding, and company discovery. Start with 1,000 free requests/month. No credit card required.
Test all endpoints with real UK data. No API key required for demos.
Start typing any UK postcode or address. Companies registered at addresses appear automatically.
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Get precise GPS coordinates for any UK postcode.
Comprehensive UK address intelligence at your fingertips.
Lightning-fast address suggestions as users type. Perfect for checkout forms and delivery apps.
Find registered companies at any address using official Companies House data integration.
Convert postcodes to coordinates. Find nearest postcodes to any lat/lng point with accuracy.
Complete postcode metadata including district, ward, county, region, and administrative boundaries.
Process up to 100 postcodes in a single API call. Perfect for data enrichment and batch operations.
Data updated quarterly from official ONS and government sources. Always fresh, always accurate.
Start free. Scale as you grow. No hidden fees.
For testing & development
For production apps