PostcoderAllies Computing
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Related Products
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About
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.
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About
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.
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Audience
Organizations wanting a tool to improve their address lookup and form validation processes
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Audience
Ideal for developers, product teams, and businesses that need reliable UK address lookup and validation for web and software applications
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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API
Offers API
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API
Offers API
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Screenshots and Videos |
Screenshots and VideosNo images available
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Pricing
£27 per 500 credits
Free Version
Free Trial
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Pricing
£5/month
Free Version
Free Trial
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Reviews/
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Reviews/
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Company InformationAllies Computing
Founded: 1987
United Kingdom
postcoder.com
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Company InformationfindAddress.io
Founded: 2019
United Kingdom
findAddress.io
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Alternatives |
Alternatives |
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Categories |
Categories |
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Address Verification Features
Address Validation
Autocomplete
Automatic Formatting
Data Cleansing
Data Discovery
Data Quality Control
Data Verification
Geographic Maps
Geolocation
Metadata Management
Reporting / Analytics
Search / Filter
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Integrations
C#
CSS
Contact Form 7
Divi
Elementor
Formidable Forms
Forminator
Gravity Forms
Gutenberg Technology
HTML
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Integrations
C#
CSS
Contact Form 7
Divi
Elementor
Formidable Forms
Forminator
Gravity Forms
Gutenberg Technology
HTML
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