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US Address Verification

Thousands of businesses trust Smarty's wicked awesome US Address Verification, especially industry leaders who require accuracy, reliability, superb performance, top-notch service, and undeniable value.

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US Address Verification demo with Enhanced Matching

Step 1: Pick one
Step 2: Lookup type

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Step 3: Enter an address

The street line of the address, maps to the "street" field of our US Street Address API.

Apartment or suite information, maps to the "secondary" field of our US Street Address API.

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Awaiting input

Enter an address in the address form on this page to see your results here

Predicted address suggestions powered by US Autocomplete Pro Api and International Address Autocomplete API.

Address validation powered by US Street Address API and International Street Address API.

Rooftop geocodes powered by US Street Address API.

Try the Free Full VersionNo credit card required
Like the demo?
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Fix invalid addresses

Reduce costly errors and get your goods to customers faster

Enrich address data

Fill in missing data & unlock additional information about any validated street address

Improve data integrity

Assure your databases are squeaky clean to avoid bad decisions.
Get industry-leading awesomeness
220M+
Verified US addresses
20M
Non-USPS addresses
55 Points
Of data including residential/commercial indicator
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How it works

Just two steps to fly with precise and reliable US Address Verification:
 1) sprinkle pixie dust,
 2) think a happy thought.
The following also works:

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Step 1

Match, Verify & Standardize

Matches the input address to a validated address in Smarty's data, where addresses are standardized according to USPS guidelines—much more fun than it sounds. The process normalizes, corrects, and adds missing information. AI-enhanced algorithms ensure better match rates and lower false positives.

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Step 2

Enrich

Attaches up to 55 data points, like ZIP-9 geocodes, vacancy status, and residential/commercial indicator (RDI). Rooftop-accurate geocodes plus up to 350 property attributes are available to further amp up the brain glitter of each address.

How you win with Smarty Address Verification

Our simple API documentation and fantabulous customer support make it easy to start validating addresses in minutes.

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Cut costs

Slash delivery, chargeback, and customer service sots by getting mail, packages, and peeps to the correct address the first time.
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Improve data governance

Standardize addresses to help group contacts, dedupe data, and merge even the most egregiously massive datasets.
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Delight customers

Accelerate deliveries and boost your brand's status to ROCKSTAR with faster mailers and product delivery!
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Match more addresses

Smarty leverages AI machine learning to reduce false positives and match even shabby incorrect addresses to their correct counterparts.
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Mitigate business risk

Take proactive measures to combat the rising threat of address fraud and bolster your risk assessment strategies.
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Expand with swagger

Improve deliverability by matching 20 million more addresses than the United States Postal Service database

FAQ

Why should I choose Smarty?
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Smarty is the smart choice. With a cloud-based service with 100% uptime, your address data will be processed faster and more efficiently than with any other service. Going with us means you'll be up and running in no time, implementation is easy with access to real-life support, and documentation written by experts. Get the most bang for your buck just like many industry leaders like Microsoft, Siemens, FedEx, Aflac, NASA, and thousands more. We're happy to welcome you to this elite group that grooves on value, performance, and service.
Where can I learn more about Smarty's address verification APIs?
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See Smarty's Cloud API Documentation to learn about the APIs, including authentication, HTTP resources, and recommended best practices.
Can I integrate Smarty within our CRM system?
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Yep. As long as you can make an HTTP request and parse a JSON response, our APIs can be implemented in almost any CRM. Learn more about Smarty API capabilities.
Can I try before buying?
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For Sure! Get a 30-day free trial of address verification/validation. No credit card is required. With the free trial, you can experience the full version of single address verification, bulk address verification, and API integration with your systems and processes. Free trials come with 1,000 lookups. If you need more lookups for your trial, contact our cool sales peeps.
How much does address verification cost?
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If you’re looking for the industry’s best value, you’re in the right place. Smarty pricing scales to fit your needs and there are no setup fees. Smarty pricing is appreciated by smart business owners and managers, regardless of business type.

See how organizations around the world are benefiting from US Address Verification.

Address validation builds a more accurate database and enhances data aggregation.
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Data cleansing for accurate addresses
Address validation builds a more accurate database and enhances data aggregation.
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Corrected and completed secondary address data
Telecom integration company cleans 10%+ of addresses and gets technicians where they need to go faster.

Did we mention

Unlimited, unmatched, free support
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When you reach out to our Support Team, they answer promptly. And Smarty's Support Team is made up of experts -- no novices, no phone trees, and no time-wasting scripts. Try us, and we think you'll agree our unlimited, no-cost support is better than other companies' paid support. Smarty support: powered by real intelligence.

Simple terms
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Our terms and conditions are straightforward and easy to understand, and we try to keep revisions to a minimum. When less can be more.

Clear and concise documentation
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Your development team will feel like wizards regarding how quickly they can implement US Address Verification. Smarty's stellar documentation covers everything your developers need and want. Smarty provides APIs and SDKs built by developers for developers. When you choose Smarty, things might get weird when your developers set up a shrine to you.
Leading value with transparent pricing
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Get straightforward pricing with no setup fees, commitments, or gimmicks. You can choose from flexible plans, including unlimited processing. Smarty's industry-leading value improves your bottom line without hidden fees or unwelcome surprises. Smiles only.
Demo of GeoReference data

What our customers are saying

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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.
Mel CummingsVP, product management & UX, Fabletics
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400,000+addresses in minutes
Over 95%reduction of uncorrected addresses
Results achieved with SmartyLake County's GIS team obtained highly accurate address data, greatly enhancing county and municipal operations and public services.Read Full Story