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Prices exclude VAT · Each purchase expires 1 year after first use · Contact us for additional trial lookups


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Simple Pricing

With tools to effortlessly manage and monitor your account

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Clear, Flexible Pricing

Worry free pricing with no hidden costs or lock-in. Just a flat, pay-as-you-go rate. Alternatively contact us to find a licence that works better for you

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Pay When You're Happy

You don't need to pay a thing until you're happy with our API. Sign up, create a key and integrate against our free test methods

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Free Developer Support

Stuck? We're around to help you to get started through email or live chat. We're happy to get technical and debug problems

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Easy to Manage

Each key comes with tools to help you control and manage how it is used, such as usage limits and low balance notifications

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GDPR Compliant

As well as being GDPR compliant, we also provide additional data controls like optional usage logs with configurable automated purging

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Flexible Licensing

With intimate knowledge and contacts across UK data addressing data vendors, we can deliver custom licensing solutions that fit your exact use case

Enterprise Solutions

For sophisticated requirements or very high volumes

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Service Level Agreements

24/7/365 Support SLAs

Dedicated Developer Lead

Dedicated Account Manager

Planning & Consultation

Get started in 3 steps

Sign Up

1. Sign up and create an API Key

Integrate API

2. Integrate our API with free test methods

Go Live

3. Purchase lookups when ready to go live

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Chat · support@ideal-postcodes.co.uk · (+44) 020 7112 8019

Open data is free

Sometimes the data you need is already freely available.
So we've created, open-sourced and maintain Postcodes.io to help you and your clients access that data for free. Try our API

postcodes.io

This fantastic new resource will bring joy to anyone who's ever had to bulk-geocode addresses to plot them on a map: postcodes.io

—Taras Young (@tarasyoung)

Very cool stuff - have wanted this more than once: postcodes.io

—Hugh FD Jackson (@hughfdjackson)

Open source Geolocation data AMAZING! postcodes.io via @jaspertandy

—Paul Whitehead (@pau1rw)

Loving the delightfully UK-specific terminology on http://t.co/ShfehdUOLa. Eastings! Northings! Parishes! Wards!

—Aanand Prasad (@aanand)

@IdealPostcodes great job with your open-source postcode #api! :-) #thanks

—Tim Hodson (@mindshoot)

@IdealPostcodes Thanks for being so swift in updating the server - thanks guys. Love http://t.co/OIj5GMvvEh :)

—Tom Ardern (@TomArdern)

Postcodes.io - [A] Postcode & Geolocation API for the UK Free, Open Source and based on solely Open Data http://t.co/h5XmR10Nhn

—One Thing Well (@onethingwell)

This person deserves a knight hood: postcodes.io

—Chris Reeves (@krak3n)

@IdealPostcodes Thanks for your postcodes.io API!! It’s an absolute life saver!

— Ed Wade (@ed_wade3)

A cool API which returns a tonne of useful information about a UK postcode in a JSON string api.postcodes.io

— Chris Wickham (@chrisw90uk)

So very useful: Postcodes.io postcodes.io

— Jonty Sharples (@Gringomoses)

postcodes.io handy UK postcode API resource #dev

— Rob McCardle (@robmccardle)

Frequently Asked Questions