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Most accurate & fastest address verification
Smarty is simply the best solution for USPS and International Address Validation. From our APIs, to our list-processing tools, we have an address validation solution for you.
Smarty products
Address Verification
Validate and standardize addresses for 250 countries and territories around the globe with lightning-fast processing speeds.
Address Autocomplete
Improve form completion rates and create a better user experience by quickly suggesting properly formatted addresses for more than 130 countries.
Geocoding
Effortlessly convert addresses into hyper-accurate latitude and longitude coordinates, and vice versa, at mind-blowing speeds.
Address Enrichment
Access over 350 property attributes, including structural, locational, and financial information.
Easy, fast, reliable
Our simple API documentation and fantastic customer support make it easy to start validating addresses in just a few minutes.
Get rolling in minutes
No credit card required. Get 1,000 free lookups. Try out the full version before signing up.
100% up-time
Our service averages (drumroll please)…100% up-time!
Every address on the planet
From Tokyo to Toronto and everywhere in between. Verify addresses with our USPS and International address validation APIs.
Customer-loving support
Talk with real people who love helping you.
Ridiculously good documentation
Comprehensive and easy-to-digest documentation. From our address validation APIs to our List Processing Tools, every detail you need is right here.
Guaranteed data security
24 hour monitoring, encryption, and hashed. And we swallowed the key.
Transparent pricing
Simple pricing. No setup fees, commitments, or gimmicks.
Really fast
There's fast and then there's Smarty fast. Our service averages sub-30 millisecond response time.
Our results
You don't have to take our word for it. The numbers speak for themselves.
Integrations & Plugins
Validate and standardize addresses for 250 countries and territories around the world with lightning-fast speed and precision.
What our customers are saying
We evaluated quite a few providers, and felt that Smarty was the right partner for us, given their user-friendly approach and robust support. It checked all of our boxes.
