SmartyStreets

Ridiculously Awesome Address Verification

SmartyStreets 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.
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Address Validation Tools

ADDRESS VALIDATION APIs

Want to build address validation into your custom application? We've got you covered.

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  • Ruby
  • Python
  • Java
  • Go

ADDRESS VALIDATION FOR LISTS

Have a list of addresses that need to be processed? We make it fast and simple.

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Address Validation for Lists

SINGLE ADDRESS VERIFICATION

Need to lookup a few addresses, one at a time? Our Single Address Validation tool is easy to use.

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Fast, easy, and reliable

Our simple API documentation and fantastic customer support make it easy to start validating addresses in just a few minutes.
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Get rolling in minutes

No credit card required. Get 250 free lookups per month. Try out the full demo before signing up.
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100% up-time

Our service averages (drumroll please)…100% up-time! Onsite solution also available.
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Every address on the planet

From Tokyo to Toronto and everywhere in between. Verify addresses with our USPS and International address validation APIs.
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Customer-loving support

Talk with real people who love helping you.
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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.
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Guaranteed data security

24 hour monitoring, encryption, and hashed. And we swallowed the key.
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No contracts

Simple pricing. No setup fees, contracts, commitments, or gimmicks.
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Really fast

There's fast and then there's SmartyStreets fast. Our service averages sub-30 millisecond response time. Self-hosted solution available for ludicrous processing speeds.

The leader in location data intelligence

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