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Smarty

Getting started by product – US Address Verification

US Address Verification helps you verify, standardize, and clean US addresses. It's commonly used to improve data quality, reduce returned mail, and prevent address-related errors. The APIs below power this product and can help you get started quickly.

Set up credentials

Getting started is simple. Check out our onboarding guide to know how to set up your account for success with API key setup, "Teams" management, key management, and more!

Get familiar with the APIs

US Address Verification includes three API endpoints. You can call them individually or together, depending on your workflow:

  • US Street Address API - Validates and standardizes street addresses and returns rich metadata (like ZIP+4 and deliverability signals)
  • US ZIP Code API - Searches and validates city/state/ZIP combinations and returns ZIP-level data.
  • US Extract API - Parses freeform text and extracts/validates address candidates.

To find out more, check out these API resources:

US Street Address API

US ZIP Code API

US Extract API

No code options

Not a coder? Not a problem! Smarty's US Address Verification is available through several no-code options. Just grab a subscription and follow these guides to get going on bulk address verification:

Implement Smarty with an SDK

Know the code? Dig into it faster using one of our SDKs for your integration:

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