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TLDR: Smarty customers won’t feel a thing from the new USPS API restrictions because Smarty doesn’t depend on USPS’s real-time APIs to do address verification. We’ve always used our own, powerful, hyper-accurate data to back our tools and support client needs.

While USPS is capping its address verification service at 60 requests per hour and retiring the legacy Web Tools API on January 25, Smarty keeps verifying addresses at full speed on our own infrastructure. We ingest USPS data updates monthly and run verification internally, so USPS API changes, rate limits, or even a temporary USPS outage don’t ripple into your workflows.

How is this possible? The USPS isn’t our only data input. Smarty uses multiple data sources to build redundancy into the system, so service continuity doesn’t hinge on any single provider. If USPS ever delays a monthly release, Smarty simply keeps operating on the most recent dataset available until the next update lands—no customer disruption, no “sorry, come back later.” That independence also gives us tighter control over performance and scalability.

For additional information, watch this webinar recording or read the details here.

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