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

Address Lists

Updated 6 Oct 2020

Extract UK Address Lists to power your database and bolster your marketing strategies

Pricing Plans

Updated 24 Jul 2020

Ideal Postcodes' available pricing plans

Formidable Forms: Add Address Validation to your Forms

Updated 3 Aug 2020

Integrate address validation to your WordPress Formidable Forms

ShopWired Integration

Updated 18 Aug 2020

ShopWired integration for UK address search and validation

Postcode Lookup or Address Finder

Updated 21 Sep 2020

How to choose between Postcode Lookup and Address Finder

Gravity Forms: Add Address Validation to your Forms

Updated 23 Oct 2020

Integrate address validation to your WordPress Gravity Forms pages

Multiple Residence

Updated 30 Oct 2020

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

Postcode Areas

Updated 6 Nov 2020

A complete list of UK postcode areas and regions

Sage Business Cloud Accounting Integration

Updated 28 Aug 2020

Integrate address validation to your Sage application

Odoo Integration

Updated 25 Jun 2020

Integrate address validation to Your Odoo Application


Updated 2 Jun 2020

API Keys allow you to access our services outside the website. Find out what it is and how to use it

Address Validation for Mobile Devices

Updated 8 Jul 2020

How to improve your mobile conversions

Organisation Information on PAF

Updated 3 Jun 2020

Listed in PAF are names of companies, organisations and departments. This organisation information can be useful and appropriate for specific use cases

Browser Extension

Updated 20 Oct 2020

Integrate address validation to Chrome and Firefox browsers

UK Address Guidelines

Updated 3 Aug 2020

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


Updated 28 Oct 2020

A glossary of address terms

Importance of Address Validation

Updated 20 Jul 2020

How address validation can help your business

Ideal Postcodes and SubscriberCRM

Updated 3 Aug 2020

Integrate postcode lookup into your CRM app in a few simple steps

End User - Who Is Licensed to Use the Data?

Updated 29 Jun 2020

Identifying the final user of Royal Mail's dataset

USRN: Unique Street Reference Number

Updated 22 Sep 2020

Understanding the unique identifier for every street across Great Britain

Setting Up Automated Top-Ups

Updated 12 Jun 2020

A guide on enabling Automated Top-Ups on your account

Missing Address

Updated 3 Aug 2020

Why your address might not be showing on Royal Mail's Postcode Address File

Magento Extension

Updated 18 Aug 2020

Magento extension for UK address search and validation

Run Database Locally

Updated 18 Aug 2020

Run a local instance of the latest database and start dispatching SQL queries in minutes

Thoroughfare Descriptors

Updated 21 Jul 2020

List of Thoroughfare & Dependent Thoroughfare descriptors in the UK

OpenCart Extension

Updated 2 Sep 2020

OpenCart module for UK address search and validation

What Is the Postcode Address File (PAF®)?

Updated 20 Jul 2020

The most accurate and reliable address dataset for the UK, provided by Royal Mail

Postcode Validation

Updated 3 Jun 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)

Not Yet Built Dataset

Updated 3 Aug 2020

The Not Yet Built dataset is an additional database from Royal Mail that lists properties currently in planning or under construction

Address Autocomplete

Updated 3 Aug 2020

What is Address Autocomplete and how is it useful?

The UK Postcode Format

Updated 20 Jul 2020

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.

Address Verification System or Address Validation?

Updated 22 Jul 2020

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

Unbounce: Add Address Validation to Your Forms

Updated 20 Aug 2020

Integrate address validation to your Unbounce form

WooCommerce Extension

Updated 24 Sep 2020

WooCommerce extension for UK address search and validation

UPRN: Unique Property Reference Number

Updated 27 Oct 2020

What is a UPRN, its uses and how it compares to the Postcode Address File

Securing Your API Key

Updated 6 Nov 2020

Best practices to mitigate the risk of misuse on your API key for frontend and backend integrations


Updated 3 Aug 2020

Understanding how the Sublicensing Platform works

Internal User Licensing

Updated 1 Sep 2020

What is an Internal User? When is it correct to license this way?

Quick Account Setup on Ideal Postcodes

Updated 3 Aug 2020

Step by step guide on creating an Ideal Postcodes account, creating a key and enabling automated top-ups

Integration Configuration

Updated 20 Jul 2020

Standard configuration settings for our address validation integrations

What is a Lookup?

Updated 3 Jun 2020

How lookups are counted across Ideal Postcodes address search and validation APIs

Missing Postcode

Updated 23 Sep 2020

Why can't I find a postcode?

BigCommerce Integration

Updated 14 Oct 2020

BigCommerce integration for UK address search and validation

Zoho CRM

Updated 28 Oct 2020

Integrate UK Address Validation with Zoho CRM

MicroMkt Address Validation

Updated 17 Nov 2020

Add address validation to your MicroMkt suite in a few simple steps

What are Geocodes?

Updated 6 Nov 2020

Understanding the importance of geocodes and their use cases

Supported Territories

Updated 23 Nov 2020

UK territories covered by Royal Mail's Postcode Address File (PAF) and the Ideal Postcodes APIs

Royal Mail Charity Registration

Updated 17 Nov 2020

A guide to completing the Royal Mail charity registration form

Postcode Facts

Updated 20 Oct 2020

Interesting facts and information about postcodes

UDPRN: Unique Delivery Point Reference Number

Updated 23 Sep 2020

Understanding the unique ID number assigned to every premise in the UK


Updated 26 Oct 2020

Integrate address validation with the WordPress Divi Page Builder

Office for National Statistics Postcode Directory (ONSPD) Licensing

Updated 2 Nov 2020

ONSPD licensing: How data from can be used

Breaking Down UK Address Data

Updated 29 Sep 2020

What is a locality? What is a thoroughfare? Some common UK address questions answered


Updated 29 Sep 2020

Configure the WooCommerce plugin for custom Elementor checkouts