News Article Postcoder combines PAF with AddressBase Premium

Tom Stanley

Postcoder can now provide access to PAF and AddressBase Premium within a single lookup.

Postcoder combines PAF with AddressBase Premium

Postcoder, the address lookup API from Allies, can now provide access to Royal Mail PAF® and Ordnance Survey (OS) AddressBase Premium within a single lookup.

The new feature allows users to append AddressBase Premium fields - such as UPRN or property-level coordinates - to the addresses found within PAF®.

AddressBase Premium, which itself uses PAF®, is updated and released every six weeks by OS. As such, the address details it holds can be up to six weeks out-of-date.

In contrast, PAF® is updated daily by Royal Mail. Postcoder combines this daily feed of PAF® with the 6-weekly feed of AddressBase Premium to provide the most up-to-date and comprehensive view possible.

Dan Cooper, CEO for Allies, said: “Our latest innovation combines the agility of PAF with the richness of AddressBase Premium. It shows our ability to add value, particularly in areas where others are not, is as strong as ever.”

For more information, please visit

For technical documentation, please visit


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