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Real-time US address autocomplete returning only verified USPS addresses with fuzzy matching and state/ZIP filtering.
Description, fields, and how we track updates on the provider’s site.
Smarty's US Autocomplete Pro API delivers real-time address suggestions that are fully verified USPS addresses. It uses fuzzy logic to handle missing directionals, street suffix substitutions, and partial spellings, so users can find the right address even with incomplete input. The API supports filtering and preferences by city, state, and ZIP Code — including multi-city and allstates filter keywords — making it ideal for checkout flows, CRM data entry, and property search forms. Requests are made via HTTPS GET to us-autocomplete-pro.api.smarty.com. SDKs are available for .NET, Go, Java, JavaScript, PHP, Python, Ruby, and Rust.
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This description was generated by an AI that visited www.smarty.com/docs/apis/us-autocomplete-pro-api/reference and used a prompt on its data to produce consistent output. If there are errors, please .
Geographic boundaries and features for all US census geography.