Effortless Address Lookup

Enhance user experience and deliver to the right properties by verifying customer addresses with address verification.

AddressZen provides the highest level of address accuracy in a simple address validation API


Accurate USPS ZIP+4 data


Easy to integrate


Try for FREE - no credit card required

Why Verify Addresses

Inaccurate addresses and poorly designed address forms
costs businesses $40bn every year

Boost Your User Experience

Eliminate friction at the checkout and save customers time and stress with fewer key strokes. Address Autocomplete displays valid suggestions in seconds as you type.

Jaw Dropping Data Accuracy

Achieve accurate and up to date address data with USPS ZIP+4 leaving no room for error. Address Validation includes Fuzzy Matching which corrects errors in real time.

Become Cost-Conscious

Save money and boost efficiency by putting a stop on failed deliveries and closed laptops. Address verification helps logistic teams deliver to the right properties.

Why AddressZen

Choose Zen
  • 10+ Year Track Record
  • Handling billion of requests per month
  • Thousands of customers globally
  • ISO270001 Certified. The global benchmark for data security
  • Award winning support

Trusted by the Fortune 500 and small businesses alike

Trusted by many


Add our address validation API in moments with one of our native integrations

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Free Verified Addresses


From $49

1,400 Verified Addresses



Verified Addresses

Try us out, absolutely free!

Free 1200 US address credits for 12 months

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