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Address API

Every UK address.
One API.

Typed responses. Headless components. Documentation you'll actually read.

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Live demo

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Built on authoritative UK address data

Ordnance Survey logo
Royal Mail logo

Official Partner

Licensed Solutions Provider

HOW IT WORKS

Autocomplete that feels native to your product

See every address as usable type, with ranked, verified suggestions ready to drop into any form, checkout, or internal tool.

01

Autocomplete

See every address as usable type. Return clean, ranked suggestions with stable IDs for downstream lookups.

Drop‑in components

Drop‑in components

Use prebuilt React components to add address autocomplete to forms, checkouts, and internal tools in minutes.

Ranked, stable suggestions

Ranked, stable suggestions

Return clean, ordered address suggestions with stable IDs you can reuse across sessions and locate calls.

Autocomplete
02

Validate

Turn messy address input into a single, trusted record. Get back standardised fields with a confidence score you can act on.

Standardised records

Standardised records

Turn messy input text into a single, canonical address record that fits your schema.

Confidence and ID flags

Confidence and ID flags

Get a confidence score and human‑readable hints so you can decide when to auto‑accept, flag, or prompt users.

Validate
03

Locate

Locate every address on the map in one call. Return precise coordinates, boundaries, and administrative areas for any UK address or postcode.

Coordinates in one call

Coordinates in one call

Geocode any address or postcode into precise latitude and longitude ready for maps, routing, or proximity search.

Geometry and admin areas

Geometry and admin areas

Boundaries, wards, and administrative geography returned with every address for reporting and access rules.

Locate
TRY IT

Works the way your stack does

SDKs for JavaScript and Python, plus a clean REST API. Drop in a client, paste a key, and start returning addresses in minutes.

> curl "https://api.vepler.com/v1/search/suggest?q=10+Downing&source=address&limit=5" \
  -H "x-api-key: vepler_test_iddqd"
Cityscape illustration
INTEGRATIONS

Bring smart addresses into every framework

Wire address data into every layer of your stack so frontends, backends, and plugins all share the same clean source of truth.

TypeScript

TypeScript

Typed SDK for any frontend or Node.js backend.

AvailableSDK
React

React

Autocomplete components with hooks.

On requestSDK
Next.js

Next.js

Server and client components for App Router.

On requestSDK
Vue

Vue

Composables and components for Vue 3.

On requestSDK
Nuxt

Nuxt

Auto-imported composables for Nuxt 3.

On requestSDK
Angular

Angular

Directives and services for Angular forms.

On requestSDK
Svelte

Svelte

Actions and stores for SvelteKit.

On requestSDK
Python

Python

Client for backend address lookups.

On requestLibrary
WordPress

WordPress

Address fields for WP forms and checkouts.

On requestPlugin
WooCommerce

WooCommerce

Checkout address autocomplete plugin.

On requestPlugin
Shopify

Shopify

Checkout extension for address capture.

On requestPlugin

Bring addresses into your product

Datasets

Other datasets, same integration

Use the same API key to turn on additional datasets whenever you need them, from risk and environment to geography and market context.

Planning intelligence

Work with structured planning applications, documents, and policies to analyse development activity and decisions at scale.

Explore Planning intelligence

Flood risk

Understand how likely each location is to flood over time so you can factor exposure into products, models, and decisions.

Explore Flood risk

Coastal erosion

Property-level erosion scores, encroachment timelines, and coastal defence intelligence for every UK coastal address.

Explore Coastal erosion

Faq

Answers before you integrate

>

Where does your address data come from?

Royal Mail PAF for postal addresses and Ordnance Survey NGD for UPRNs, rooftop coordinates, and property classification. We are an official partner of both.

What counts as a lookup?

How does autocomplete billing work?

What is the difference between the Address and Address + UPRN tiers?

How does pricing work?

Can I resolve messy or incomplete addresses?

What property data can I access through the same API key?

Do I need a contract?

Ready to build on
something you can trust?

View Docs