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Guides

Resources about UK addressing, PAF, Ideal Postcodes APIs and more

Pricing Plans

Updated 30 Dec 2020

Ideal Postcodes' Available Pricing Plans

Multiple Residence

Updated 11 Mar 2021

What is the Multiple Residence dataset and how is it used? Illustrations and examples of MR data

Postcode Data List Directory

Updated 4 Jan 2021

Links to Downloads of Various UK Postcode Data Lists

ShopWired Integration

Updated 15 Mar 2021

Shopwired Integration for UK Address Search and Validation

Postcode Areas

Updated 30 Dec 2020

A complete list of UK postcode areas and regions

Postcode Lookup or Address Finder

Updated 3 Feb 2021

How to Choose Between Postcode Lookup and Address Finder

Gravity Forms: Add Address Validation to your Forms

Updated 30 Mar 2021

Integrate Address Validation to Your WordPress Gravity Forms Pages

FormAssembly: Add Address Validation to Your Forms

Updated 6 Apr 2021

Integrate Address Validation to Your FormAssembly Pages

Formidable Forms: Add Address Validation to your Forms

Updated 19 Apr 2021

Integrate Address Validation to Your WordPress Formidable Forms

Organisation Information on PAF

Updated 30 Dec 2020

Listed in PAF Are Names of Companies, Organisations and Departments. This Organisation Information Can Be Useful and Appropriate for Specific Use Cases

Odoo Integration

Updated 29 Dec 2020

Integrate Address Validation to Your Odoo Application

Browser Extension

Updated 26 Mar 2021

Integrate Address Validation to Chrome and Firefox Browsers

Contact Form 7: Add Address Validation to your Forms

Updated 6 Apr 2021

Integrate Address Validation to Your WordPress Contact Form 7 Pages

Address Validation for Mobile Devices

Updated 29 Dec 2020

How to improve your mobile conversions

API Key

Updated 30 Dec 2020

API Keys Allow You to Access Our Services Outside the Website. Find out What It Is and How to Use It

UDPRN: Unique Delivery Point Reference Number

Updated 30 Dec 2020

Understanding the Unique ID Number Assigned to Every Premise in the UK

UK Address Guidelines

Updated 24 Feb 2021

Ensure your mail is correctly addressed with our UK clear addressing guidelines

OpenCart Extension

Updated 30 Dec 2020

OpenCart Module for UK Address Search and Validation

Magento Extension

Updated 11 Jan 2021

Magento extension for UK address search and validation

Thoroughfare Descriptors

Updated 21 Jul 2020

List of Thoroughfare & Dependent Thoroughfare descriptors in the UK

Run Postcodes.io Database Locally

Updated 19 Feb 2021

Run a Local Instance of the Latest Postcodes.io Database and Start Dispatching SQL Queries in Minutes

Setting Up Automated Top-Ups

Updated 24 Feb 2021

A Guide on Enabling Automated Top-ups on Your Account

Missing Address

Updated 29 Dec 2020

Why Your Address Might Not Be Showing on Royal Mail's Postcode Address File

Address Autocomplete

Updated 3 Feb 2021

What Is Address Autocomplete and How Is It Useful?

Postcode Validation

Updated 29 Dec 2020

How to Validate a UK Postcode. Evaluating the Trade-offs for Various Solutions Including Postcode Lookup Services, Proprietary Postcode Datasets, Free Datasets and Regular Expressions (Regex)

Quick Account Setup on Ideal Postcodes

Updated 24 Feb 2021

Step by Step Guide on Creating an Ideal Postcodes Account, Creating a Key and Enabling Automated Top-ups

e-Commerce and Address Validation

Updated 25 Feb 2021

Optimise Your Online Shopping Experience

JetFormBuilder: Add Address Validation to your Forms

Updated 5 Mar 2021

Integrate Address Validation to Your JetFormBuilder Pages

Securing Your API Key

Updated 24 Feb 2021

Best Practices to Mitigate the Risk of Misuse on Your API Key for Frontend and Backend Integrations

Address Verification System or Address Validation?

Updated 23 Mar 2021

Address Verification System and Address Validation sound alike, but they are tools which have different uses

WooCommerce Extension

Updated 8 Mar 2021

WooCommerce extension for UK address search and validation

Elementor

Updated 30 Dec 2020

Configure the WooCommerce Plugin for Custom Elementor Checkouts

UPRN: Unique Property Reference Number

Updated 17 Mar 2021

What Is a UPRN, Its Uses and How It Complements the Postcode Address File

Unbounce: Add Address Validation to Your Forms

Updated 31 Mar 2021

Integrate Address Validation to Your Unbounce Form

The UK Postcode Format

Updated 11 Jan 2021

A comprehensive outline of UK postcode patterns, its constituent components and how they can be utilised. Split a postcode into outward code, inward code, postcode area, district code, sub-district code, postcode sector and postcode unit.

Ideal Postcodes and SubscriberCRM

Updated 30 Dec 2020

Integrate Postcode Lookup Into Your CRM App in a Few Simple Steps

End User - Who Is Licensed to Use the Data?

Updated 11 Jan 2021

Identifying the Final User of Royal Mail's Dataset

Internal User Licensing

Updated 11 Jan 2021

What Is an Internal User? When Is It Correct to License This Way?

Integration Configuration

Updated 30 Dec 2020

Standard Configuration Settings for Our Address Validation Integrations

Missing Postcode

Updated 30 Dec 2020

Why Can't I Find a Postcode?

BigCommerce Integration

Updated 26 Mar 2021

BigCommerce Integration for UK Address Search and Validation

What Is the Postcode Address File (PAF®)?

Updated 29 Dec 2020

The Most Accurate and Reliable Address Dataset for the UK, Provided by Royal Mail

MicroMkt Address Validation

Updated 30 Dec 2020

Add Address Validation to Your MicroMkt Suite in a Few Simple Steps

Zoho CRM

Updated 30 Dec 2020

Integrate UK Address Validation with Zoho CRM

What are Geocodes?

Updated 30 Dec 2020

Understanding the Importance of Geocodes and Their Use Cases

Address Cleanse

Updated 11 Mar 2021

Understanding Address Cleanse

Not Yet Built Dataset

Updated 11 Mar 2021

The Not Yet Built Dataset Is an Additional Database from Royal Mail That Lists Properties Currently in Planning or under Construction

Address Validation

Updated 17 Mar 2021

What Is Address Validation and How Does It Work?

Supported Territories

Updated 30 Dec 2020

Uk Territories Covered by Royal Mail's Postcode Address File (PAF) and the Ideal Postcodes APIs

Postcode Facts

Updated 23 Feb 2021

Interesting Facts and Information About Postcodes

Royal Mail Charity Registration

Updated 29 Mar 2021

A Guide to Completing the Royal Mail Charity Registration Form

What is a Lookup?

Updated 30 Dec 2020

How Lookups Are Counted Across Ideal Postcodes Address Search and Validation APIs

Divi

Updated 31 Mar 2021

Integrate Address Validation with the WordPress Divi Page Builder

Sage Business Cloud Accounting Integration

Updated 30 Dec 2020

Integrate Address Validation to Your Sage Application

Office for National Statistics Postcode Directory (ONSPD) Licensing

Updated 30 Dec 2020

ONSPD Licensing: How Data from Postcodes.io Can Be Used

Breaking Down UK Address Data

Updated 18 Jan 2021

What Is a Locality? What Is a Thoroughfare? Some Common UK Address Questions Answered

USRN: Unique Street Reference Number

Updated 30 Dec 2020

Understanding the Unique Identifier for Every Street Across Great Britain

Gutenberg Forms: Add Address Validation to Your Forms

Updated 29 Mar 2021

Integrate Address Validation to Your WordPress Gutenberg Forms Pages

Sublicensing

Updated 30 Mar 2021

Understanding How the Sublicensing Platform Works

Glossary

Updated 30 Dec 2020

A Glossary of Address Terms

Address Lists

Updated 11 Jan 2021

Extract UK Address Lists to Power Your Database and Bolster Your Marketing Strategies