BREAKING: USPS slashes address verification to 60 addresses/hour. What now?
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SmartyKey® now in US Address Verification and why that rocks

SmartyKey® glowing inside a house representing address verification
Updated November 10, 2025
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SmartyKey® glowing inside a house representing address verification

Up until now, SmartyKey®, a persistent unique identifier for all 210+ million addresses in Smarty’s database, has only been available to customers who purchased US Master Address List or geocoding products. We’re happy to announce that, as of today, it's also available at no extra cost with US Address Verification. Yippee!

But … what is SmartyKey?

SmartyKey is the persistent, unique identifier of your dreams. It remains constant through address changes and is available for USPS and non-USPS addresses. 

It’s an incredible tool that improves data hygiene and management processes by providing a historical view of the same location over time. Alias locations will become more evident, and the deduplication process will be more straightforward because SmartyKey tracks changes to an address at any address over time. 

Enriching your addresses is snappier now. Datapoints such as roof type, square footage, tax jurisdiction, sale amount, lot size, and more are also bonuses within reach while using SmartyKey in your US address verification adventures. This tool is truly a game-changer in data management and enrichment.

It’s also an absolute must for any organization looking at data blending, as records are speedily matched with ease and accuracy. Say goodbye to address and reporting confusion. Say hello to SmartyKey.

SmartyKey spiffiness 

There are mind-melting features associated with SmartyKey:

Huge database

Efficient format

Fast processing

Superior accuracy

Simple link to additional data

But … do I have to pay more now?

NOPE! Existing customers are now automatically receiving SmartyKey in their verification results at no extra cost and with no additional fuss. We’re just grandfathering you guys in. You don't need to do anything except sit back and enjoy the new benefits that SmartyKey offers in every verification result!

Have any questions that we didn’t cover? Here’s a list of FAQs about the superpowers behind SmartyKey.

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