Postcode lookup, address autocomplete, typeahead, and validation — all in one API.
See what each API does at a glance. Pick what you need and get integrating.
![[digital project] image of programming and coding screenshots (for a game development company)](https://cdn.prod.website-files.com/699c816f3bc9ca53d9cd692b/69a6ac93def04a3c68d26e12_addressbrain-address-search-720.webp)
Add as-you-type address completion to any form. Works with partial postcodes and street fragments.
![[digital project] image of a mobile device with a website loading on it (for an ai legal tech company)](https://cdn.prod.website-files.com/699c816f3bc9ca53d9cd692b/69a6ac9298135b26c97b1a3a_addressbrain-postcode-lookup-720.webp)
Look up any UK postcode and get back a full list of addresses. Validates and normalises the data too.
UK delivery addresses
UK postcode coverage
UK postcodes
UK business names
Typical response time (UK)
![[background image] image of a work desk with a laptop and documents (for a ai legal tech company)](https://cdn.prod.website-files.com/699c816f3bc9ca53d9cd692b/699c81c7a13d3fae244525c2_991c4d8a-4fd7-4272-be65-66dfbe5f6094.avif)