Postcoder is the API for address lookup & form validation

Improve your conversion rates and capture better quality customer data.

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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

Postcoder is trusted by more than 9,000 businesses in the UK

Companies large and small trust Postcoder to process over 1M requests every week

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