Updated 25 Jun 2020
ShopWired integration for UK address search and validation
Updated 3 Jun 2020
Understanding the unique ID number assigned to every premise in the UK
Updated 12 Jun 2020
Integrate address validation to your WordPress Gravity Forms pages
Updated 9 Jun 2020
Integrate address validation to your WordPress Formidable Forms
Updated 7 Jul 2020
How to choose between searching a postcode and address autocompletion
Updated 8 Jul 2020
UK territories covered by Royal Mail's Postcode Address File (PAF) and the Ideal Postcodes APIs
Updated 3 Jun 2020
Integrate postcode lookup into your CRM app in a few simple steps
Updated 25 Jun 2020
BigCommerce integration for UK address search and validation
Updated 7 Jul 2020
What is a Multiple Residence dataset and how is it used? Illustrations and examples of MR data
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
Updated 23 Mar 2020
Ensure your mail is correctly addressed with our UK clear addressing guidelines
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
Updated 10 Jun 2020
Integrate address validation to Your Sage Application
Updated 29 Jun 2020
Identifying the final user of Royal Mail's dataset
Updated 8 Jul 2020
Why your address might not be showing on Royal Mail's Postcode Address File
Updated 12 Jun 2020
A guide on enabling Automated Top-Ups on your account
Updated 23 Jun 2020
Run a local instance of the latest Postcodes.io database and start dispatching SQL queries in minutes
Updated 5 Jun 2020
ONSPD licensing: How data from Postcodes.io can be used
Updated 8 Jun 2020
The most accurate and reliable address dataset for the UK, provided by Royal Mail
Updated 6 Jul 2020
List of Thoroughfare & Dependant Thoroughfare descriptors in the UK
Updated 3 Jun 2020
What is a UPRN, its uses and how it compares to the Postcode Address File
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)
Updated 3 Jun 2020
The Not Yet Built dataset is an additional database from Royal Mail that lists properties currently in planning or under construction
Updated 3 Jun 2020
What is an Internal User? When is it right to license this way?
Updated 8 Jul 2020
Address Verification System and Address Validation sound alike, but they are tools which have different uses
Updated 3 Jun 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.
Updated 9 Jun 2020
Integrate address validation to your Unbounce form
Updated 6 Jul 2020
Best practices to mitigate the risk of misuse on your API key for frontend and backend integrations
Updated 10 Jun 2020
Step by step guide on creating an Ideal Postcodes account, creating a key and enabling automated top-ups
Updated 25 Jun 2020
Standard configuration settings for our address validation integrations
Updated 7 Jul 2020
The importance of geocodes and how they are beneficial to businesses
Updated 3 Jun 2020
How lookups are counted across Ideal Postcodes address search and validation APIs