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ease
features
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support

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Description

Postcoder is a global address verification and customer data validation API used by over 10,000 organisations worldwide. Built by Allies Computing, Postcoder helps businesses capture clean, accurate customer data at the point of entry, reducing errors, cutting failed deliveries, and speeding up checkout and onboarding flows. Postcoder's address lookup API lets users find verified addresses instantly using postcode lookup or address autocomplete. Look up addresses based on a postcode, part of an address or a coordinate position. Postcoder provides access to Royal Mail PAF and Multiple Residence addresses, Ordnance Survey AddressBase property records and international addresses in 249 countries. Beyond address verification, Postcoder offers a full suite of contact data validation tools in a single API integration. Bank account validation checks sort codes and account numbers in real time, confirming validity, returning branch details, and verifying direct debit eligibility - useful for subscription businesses, lenders, and anyone collecting payment mandates. Email validation checks formatting, domain validity, and flags disposable or high-risk addresses to keep CRM data clean and improve deliverability. Mobile number validation checks whether a number is active and connected across 200+ countries, helping reduce wasted SMS spend and improve contact rates. For added security, Postcoder also offers OTP verification, delivering one-time passwords via SMS to protect customer accounts at sign-up, login, or checkout. Developers appreciate the comprehensive documentation and sample code, and a 30-day free trial means teams can get up and running in minutes without a credit card.

Description

findAddress.io is a quick and dependable API for UK address lookup and postcode verification, specifically designed for developers and businesses seeking precise address information without the hassle or expense typically associated with enterprise solutions. Our RESTful JSON API offers features such as postcode lookup, address autocomplete, and real-time address validation, which collectively enhance form completion rates, minimize address inaccuracies, and facilitate the acquisition of clean, structured UK address data right at the moment of entry. Tailored for contemporary web applications, findAddress.io seamlessly integrates into various systems such as checkout processes, registration forms, CRMs, and internal platforms, utilizing popular programming languages like JavaScript, PHP, and Node.js among others. This makes it an ideal choice for organizations aiming to streamline their data collection while ensuring accuracy and efficiency.

API Access

Has API

API Access

Has API

Screenshots View All

Screenshots View All

No images available

Integrations

C#
CSS
Contact Form 7
Divi
Elementor
Formidable Forms
Forminator
Gravity Forms
Gutenberg Technology
HTML
JavaScript
Ninja Forms
Node.js
PHP
Python
WP Fluent Forms
Wix

Integrations

C#
CSS
Contact Form 7
Divi
Elementor
Formidable Forms
Forminator
Gravity Forms
Gutenberg Technology
HTML
JavaScript
Ninja Forms
Node.js
PHP
Python
WP Fluent Forms
Wix

Pricing Details

£27 per 500 credits
Free Trial
Free Version

Pricing Details

£5/month
Free Trial
Free Version

Deployment

Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook

Deployment

Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook

Customer Support

Business Hours
Live Rep (24/7)
Online Support

Customer Support

Business Hours
Live Rep (24/7)
Online Support

Types of Training

Training Docs
Webinars
Live Training (Online)
In Person

Types of Training

Training Docs
Webinars
Live Training (Online)
In Person

Vendor Details

Company Name

Allies Computing

Founded

1987

Country

United Kingdom

Website

postcoder.com

Vendor Details

Company Name

findAddress.io

Founded

2019

Country

United Kingdom

Website

findAddress.io

Product Features

Address Verification

Address Validation
Autocomplete
Automatic Formatting
Data Cleansing
Data Discovery
Data Quality Control
Data Verification
Geographic Maps
Geolocation
Metadata Management
Reporting / Analytics
Search / Filter

Product Features

Address Verification

Address Validation
Autocomplete
Automatic Formatting
Data Cleansing
Data Discovery
Data Quality Control
Data Verification
Geographic Maps
Geolocation
Metadata Management
Reporting / Analytics
Search / Filter

Alternatives

Alternatives

Postcoder Reviews

Postcoder

Allies Computing