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Be confident
in your
address data

Say goodbye to errors. Capture and verify customer addresses with the most comprehensive datasets on the market

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Ideal Postcodes

Try Address Finder

Rooftop Geocodes & UPRN included with every UK Address Lookup

Address Finder
Address Finder

Simple to Install

Use one of our many plugins to install address validation with no or little code or use our address finder API

Address Autofill

Quickly corrects common mistakes in addresses as you type, thanks to fuzzy matching

Accessible

Our address capture enables those relying on screen readers to complete their addresses easily and independently

UK & International Data

Access the most extensive international address data in one search, powered by local postal authorities

You're in Good Company

Integrations

Connect your Platform

Add address validation where you already work. Drop in a native extension or follow a guide. No heavy lifting, no developer required.

Most popular

eCommerce · CRM · Forms · AI
Shopify integrationShopifyeCommerceWooCommerce extensionWooCommerceeCommerceWix integrationWixWebsitesBigCommerce integrationBigCommerceeCommerceZoho CRM integrationZoho CRMCRMHubSpot integrationHubSpotCRMGravity Forms integrationGravity FormsForm builderZapier integrationZapierAutomationMicrosoft Dynamics integrationMicrosoft DynamicsCRMShopWired integrationShopWiredeCommerceSalesforce integrationSalesforceCRMElementor integrationElementorPage builder
XChrome30+

Plus 30+ more, from a Chrome extension and Lovable to other CRMs, page builders and CMSs. Each has a ready-made guide.

New integrationFeatured
Excel add-in

Address cleansing
inside Excel

Our newest add-in. Drag-select a column of messy addresses and write back verified PAF fields, without leaving your worksheet.

  • 1 Install the add-in
  • 2 Paste your API key
  • 3 Start cleansing
Explore the add-inRead the guide
See all integrations Browse every native extension and integration guide.

Our Services

Convert customers faster with our other integrated services
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Address Finder

Capture accurate addresses in your online forms through our address validation tool with autofill functionality

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Postcode Lookup

Postcode validation captures and verifies addresses by entering only the postcode

Phone with a verified number

Phone Number Validation

Verify international phone numbers by confirming they are callable and identify type, location and network

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Email Validation

Verify an email address at the point of capture to confirm it is valid and can receive mail

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Address Cleanse

Ensure your customer data is accurate and compliant by verifying your existing database against official data sources

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Address Database

Acquire a customisable UK address list as a downloadable CSV file

Customers' Reviews

What Our Customers Are Saying

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Starling Bank Logo

"Extremely reliable service. Our onboarding process provides a smooth welcome to new customers"

Jason Maude

Chief Technology Advocate

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Duke of Edinburgh Logo

"Find out how Duke of Edinburgh reduced cost, increased data accuracy and freed developer resources"

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Happy Colleagues
SubscriberCRM logo

"We found Ideal Postcodes had comprehensive and straightforward documentation. It was also important for us to find a cost-effective service for our customers and with the simple pricing, Ideal Postcodes was just that."

Elliot Gresham

Technical Director, Subscriber CRM

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TogetherTV logo

"Ideal Postcodes have been a pleasure to work with. Not only is the service they offer brilliant, the technical support we have received has been unmatched by any other look up provider."

Anisa Darcy

Digital Marketing Executive

FREE TRIAL

Try Address Validation for Free

No Risk · No Credit Card Required · Free Support

  • 1-month free trial with 50 free credits
  • Includes UPRN & Geocodes at no additional charge
  • Global address data sourced from each country's database
Start Free Trial