Audience
GoAddress is ideal for developers, product teams, and businesses that need fast, reliable UK address lookup and validation for web and software applications
About GoAddress
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.
Other Popular Alternatives & Related Software
Ideal Postcodes
Our UK address validation and postcode lookup tools are the most comprehensive available, providing access to highly accurate data, including geolocations and UPRN. We offer a user-friendly integration process with transparent documentation, open-source libraries, and live support.
We cater to businesses of all sizes, ranging from small startups to public and FTSE 100 organizations, delivering fast, cost-effective, and well-supported APIs to enable postcode lookup, address search, and address autocomplete. Our services are GDPR compliant, ensuring the protection of your customer data within our UK and EU data centers.
With minimal code, you can easily integrate address validation into your eCommerce site, CRM, or any other platform. Our JavaScript libraries allow for quick implementation of address finder and postcode lookup.
Learn more about Ideal Postcodes
findAddress.io
findAddress.io is a fast, reliable UK address lookup and postcode validation API built for developers and businesses that need accurate address data without enterprise-level complexity or cost.
Our RESTful JSON API provides postcode lookup, address autocomplete and real-time address validation, helping improve form completion rates, reduce address errors and capture clean, structured UK address data at the point of entry.
Designed for modern web applications, findAddress.io integrates easily into checkout flows, registration forms, CRMs and internal systems using JavaScript, PHP, Node.js and other common stacks.
Learn more about findAddress.io
Postcoder
Postcoder is an API from Allies Computing that gives developers a single endpoint for verifying and validating customer contact data at the point of entry. Used across sectors from healthcare to retail, it's built to drop into checkout, onboarding, and account creation flows with minimal friction.
What's included:
Address lookup – Postcode, partial address, or coordinate-based search across Royal Mail PAF, Ordnance Survey AddressBase, and 249 countries worldwide.
Bank validation – Real-time sort code and account number verification, with branch data and direct debit eligibility returned in the response.
Email validation – Domain and formatting checks with disposable address detection.
Mobile validation – Live network status checks across 200+ countries.
OTP verification – SMS-based one-time password delivery.
Clear documentation, multi-language sample code, and a straightforward REST structure mean integration is quick. 30 day free trial with no credit card required.
Learn more about Postcoder
Web APIs by Melissa
Melissa’s Web APIs provide a comprehensive solution for global data verification, cleansing, and enrichment to maintain reliable data. Verify, standardize and cleanse global identities, addresses, phones & emails, powered by AI-driven reference data. Our flexible APIs are designed for modern interfaces, including REST, JSON, and XML are easily accessible through our Developer Portal, where you can build, test, and explore integrations.
Enhance your data with geographic, demographic, and firmographic insights, along with U.S. property data for advanced enrichment. Melissa supports seamless integration with popular platforms such as Salesforce, Shopify, and more, making data management and governance simple and efficient. Whether you’re focused on data management, data validation, or leveraging our APIs into your website or mobile applications, Melissa helps you unlock the full potential of your data.
Get started with 1,000 complimentary credits! All you need is a Melissa account
Learn more about Web APIs by Melissa
Pricing
Starting Price:
£6.3/month
Free Version:
Free Version available.
Free Trial:
Free Trial available.
Integrations
API:
Yes, GoAddress offers API access
No integrations listed.
Company Information
GoAddress
Founded: 2025
United Kingdom
goaddress.io
Videos and Screen Captures
Other Useful Business Software
99.99% Uptime for MySQL and PostgreSQL Databases
Cloud SQL Enterprise Plus delivers near-zero downtime with 35 days of point-in-time recovery. Supports MySQL, PostgreSQL, and SQL Server.
Product Details
Platforms Supported
Cloud
Training
Documentation
Live Online
Webinars
In Person
Videos
Not Offered
Support
Phone Support
24/7 Live Support
Online
Not Offered
GoAddress Frequently Asked Questions
Q: What kinds of users and organization types does GoAddress work with?
GoAddress works with these users and organization types: Mid Size Business, Small Business, Enterprise, Freelance, Nonprofit, Government, and Startup.
Q: What languages does GoAddress support in their product?
GoAddress supports these languages: English.
Q: What kind of support options does GoAddress offer?
GoAddress offers support via phone support, 24/7 live support, online, and not offered.
Q: Does GoAddress have an API?
Yes, GoAddress has an API.
Q: What type of training does GoAddress provide?
GoAddress provides training in the form of documentation, live online, webinars, in person, videos, and not offered.
Q: Does GoAddress offer a free trial?
Yes, GoAddress offers a free trial.
Q: How much does GoAddress cost?
Pricing for GoAddress starts at £6.3/month.
