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Getting UK address lookup right.

14 guides for developers comparing providers, and for WooCommerce owners who need checkout to work.

Start hereMigration · 5 mingetAddress.io Has Shut Down — How to Migrate in 10 MinutesgetAddress.io alternative: Migrate your UK address lookup in 10 minutes. Find the best postcode API replacement for WooCommerce & custom integrations.Updated 7 Oct 2026Read →

Making checkout work

Why Your WooCommerce Address Plugin Breaks on Checkout BlocksWooCommerce address plugin broken after checkout block update? Learn why DOM manipulation fails and how to fix incomplete address issues fast.9 min
Predictive Address Lookup for WooCommerce Checkout BlocksWhy WooCommerce Checkout Blocks break DOM-based address plugins, and how to add PAF-accurate UK postcode lookup that works natively on block checkout.9 min
WooCommerce Address Autocomplete: Free Options vs Properly Licensed PAFWooCommerce address autocomplete free options vs licensed PAF: discover which solution cuts delivery failures and saves UK stores money long-term.9 min
Capturing Flat-Level Addresses at UK CheckoutFlat-level address checkout: how Royal Mail PAF lookup captures exact flat addresses at UK checkout, and what to do when a flat won't match.8 min
WooCommerce Address Validation: PAF Lookup GuideWooCommerce address validation with PAF lookup: what it checks, what it misses, and why it matters for UK checkout success.7 min
UK Postcode Validation: Regex vs PAFUK postcode validation: compare regex checks vs PAF lookup APIs. Learn which method works best for address capture and checkout forms.7 min

Choosing a provider

Pricing, data & licensing