SmartyStreets is a leading solution for USPS and International Address Validation.


From its APIs, to list-processing tools, SmartyStreets has an address validation solution for your business.

Companies like Microsoft, Netflix and NASA use SmartyStreets to process colossal amounts of location data at breakneck speed.


Single Address Verification - Easy-to-use tool for single address verification - USPS or International.

Address Validation for Lists (Bulk Validation) - Got a list of addresses to process? We make it fast and simple.

Address Validation APIs - Need the power and versatility of an API? We've got you covered.


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 250 free lookups per month. Try out the full demo before signing up.

✔️ 100% up-time - Our service averages 100% up-time! Onsite solution also available.

✔️ Every address on the planet - From Tokyo to Toronto and everywhere in between. Verify addresses with our USPS and International address validation APIs.

✔️ 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 SmartyStreets fast. Our service averages sub-30 millisecond response time. Self-hosted solution available for even better processing speeds.

For more extensive information about Smarty Streets, please visit their website.

Address Validation
Address Validation
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