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.
Use this free address verifier to cleanse, correct, standardize, validate, and verify addresses worldwide. To begin your address check or verification of an address, enter or paste your address in a single line or by components. Addresses entered in a single line will be parsed into address field components.
As you enter an address, valid, deliverable address predictions appear based on your location. Bad addresses are corrected if possible and standardized to the address format of the specified country. US addresses are verified against the USPS address database and Smarty's (formerly SmartyStreets) proprietary dataset of 15+ million non-postal addresses.
Learn more about address verification below:
Smarty address verification and validation is brilliantly engineered to deliver the smartest solutions at reasonable prices, driving industry-leading value. With Smarty address validation software, you get:
Smarty has cleverly engineered redundancies that deliver industry-leading reliability with virtually 100% uptime.
CEO, G2 Review*
Smarty not only delivers leading accuracy, but also transparency on addresses not validated to save you the time and frustration of having to find and clean up errant data after the fact.
Web Developer, G2 Review*
Process in the cloud at lightning speeds - as many as 2 million addresses per second. No joke. It’s smart engineering at work. Our plans include options to process up to 100X faster than your current onsite solution.
Senior Software Developer, G2 Review*
On-premise solutions can cost up to 3 times more than a cloud-based solution, and require on-going management. With Smarty, you can get better-than-on-premise speeds, without the unwanted on-premise costs and headaches.
Should you need help, we’re here for you. Really. Knowledgeable, friendly, US-based support technicians answer the phone when you call. You get better-than-paid, unlimited support for free.
Web Developer, G2 Review*
Smarty was brilliantly engineered for easy, quick set up with world-class documentation including SDKs your developers will love.
Business Owner, G2 Review*
Get simple pricing with no setup fees, commitments, or gimmicks. You can choose from flexible plans, including unlimited processing.
IT Manager, G2 Review*
Offering world-class solutions and fabulous support at reasonable prices, makes Smarty the clear value leader in address-related, location data intelligence service.
Primeritus Financial Services
Taking the address world by storm over the past 10+ years for its genius, quality, and value, Smarty is relied on by some of the largest, most respected companies, including:
*See why our customers love us at the G2 and Google independent review sites.
See how other companies are benefiting from street address validation / verification
For additional information, see Why Won't My Address Verify / Validate?If the USPS won't verify your address, try using the address validator tool above as it references not only the USPS database but also Smarty's proprietary list of more than 15 million non-postal addresses that are verified as deliverable.
Connect to the API (easy setup)
Full access to technical support