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Customer stories

Postcoder is the API for address lookup and form validation. Over 9,000 businesses use it to advance their data quality and customer experience.

Case studies

See what our customers say about Postcoder and why they trust it for their address lookup and form validation.

Industry sectors

Postcoder helps businesses of all sizes and across all industries from ecommerce to the public sector.

Ecommerce & retail

Your online presence should be as smooth and clean for your customers as possible. Achieve this goal by using Postcoder to reduce cart abandonment and improve the user experience.

  • Hillarys Blinds customer logo
  • Kentucky Fried Chicken customer logo
  • Smyths Toys Superstores customer logo
  • Pizza Hut customer logo
A stylish white bathroom example from Victorian Plumbing

Having Postcoder on our checkout page has really helped ... customers spend much less time adding their details which in turn made for a much more pleasant transaction.

Alex Woods
Digital Marketing Executive at Victorian Plumbing


Organisations that rely on contributions from the public to fund their good causes need to make the donation process as easy as possible. Using Postcoder, the most tedious aspects of a donation form are completed in a few clicks.

  • Royal National Lifeboat Institution customer logo
  • Citizens Advice customer logo
  • Scottish Book Trust customer logo
An aerial photo of an RNLI lifeboat at sea

It's a real pleasure when I encounter little gems like Postcoder - a really good product with plain, no-nonsense guidance to make it easy to use.

Michael B

Insurance & financial services

Up-to-date address information, location intelligence, property data. Speed and accuracy are vital for businesses that make on the spot risk assessments. Postcoder's cloud availability ensures all your staff have access to the information they need, when they need it.

  • USwitch customer logo
  • Legal and General customer logo
  • Sphonic customer logo
A Financial Director typing on his laptop at his desk

Postcoder offers a seamless integration with our services. It is very popular with our customers.

James Gutterson
Commercial Manager at Sphonic

Public sector

Getting your users' data correct is important in any kind of business. In the public sector, it is crucial. Postcoder helps ensure personal information doesn't go to the wrong person. With our data, you can make sure members of the public receive the information they need.

  • NHS customer logo
  • Food Standards Agency customer logo
A Financial Director typing on his laptop at his desk

As always, great customer service from you and the team at Allies.

Derrick C


Accurate contact details are vital for travel agents. Whether informing customers of important travel updates, or sending a marketing brochure of the latest holiday hot-spots, Postcoder ensures that all correspondence lands at the correct destination.

  • loveholidays logo
  • Barrhead travel logo
A couple with a young child taking a selfie at the beach

We picked Postcoder because the API is simple to use and it supports many countries which we want to scale out to.

David Annez
Head of Engineering at Loveholidays


In a fast-moving industry, businesses need to be dynamic. Keep up with (and overtake) the competition by improving the experience for your sales reps. Postcoder drives sales by helping online customers get the information they want fast.

  • Halfords customer logo
  • Kwikfit customer logo
A mechanic changing the oil under the hood of a car

I have been working in the tech space for nearly 40 years and this is the best customer experience I have had.

Postcoder customer