AddressZen

AddressZen

IDDQD Limited
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About

We provide an address lookup solution to search and verify addresses on an online form. We provide an API and various integrations to implement address verification. Address lookup autocompletes in real time as a user types, speeding up form fill and improving ux. Our data is sourced from USPS, providing the most complete, accurate and up-to-date address database.

About

GoAddress is a UK postcode and address lookup API designed to deliver fast, accurate address data in seconds. It allows developers to search by postcode or full and partial address text using simple REST endpoints. The API returns clean, structured address data that is ready for use in forms, databases, and applications. GoAddress is built for production use cases such as checkout flows, customer onboarding, and internal systems. Address data is refreshed daily to ensure accuracy and reliability. Secure API key authentication and high availability make it suitable for business-critical applications. Trusted by thousands of developers, GoAddress offers a quick setup with no credit card required for the free tier.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Companies that need an address verification solution

Audience

GoAddress is ideal for developers, product teams, and businesses that need fast, reliable UK address lookup and validation for web and software applications

Support

Phone Support Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Supported
24/7 Live Support Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

Pay as you go
Free Version Supported
Free Trial Supported

Pricing

£6.3/month
Free Version Supported
Free Trial Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Supported
Live Online Supported
In Person Supported

Company Information

IDDQD Limited
Founded: 2012
United Kingdom
addresszen.com

Company Information

GoAddress
Founded: 2025
United Kingdom
goaddress.io

Alternatives

Alternatives

Postcoder

Postcoder

Allies Computing
Postcodes.io

Postcodes.io

Ideal Postcodes

Categories

Categories

Address Verification Features

Address Validation Supported
Autocomplete Supported
Automatic Formatting Supported
Data Cleansing Not Supported
Data Discovery Not Supported
Data Quality Control Not Supported
Data Verification Not Supported
Geographic Maps Not Supported
Geolocation Not Supported
Metadata Management Not Supported
Reporting / Analytics Not Supported
Search / Filter Not Supported

Integrations

Contact Form 7 Supported
FormAssembly Supported
Formidable Forms Supported
Gravity Forms Supported
Ninja Forms Supported
WordPress Supported

Integrations

Contact Form 7 Not Supported
FormAssembly Not Supported
Formidable Forms Not Supported
Gravity Forms Not Supported
Ninja Forms Not Supported
WordPress Not Supported
Claim AddressZen and update features and information
Claim AddressZen and update features and information
Claim GoAddress and update features and information
Claim GoAddress and update features and information