AddressZen
Verified address lookup you can trust.
AddressZen is an address verification and autocomplete service that uses authoritative local data sources (e.g. USPS) to validate, standardize, and correct addresses in real time. It covers 240+ countries and 60+ languages, and is ISO 27001 certified and USPS CASS Certified. The service can be integrated via a REST API, typed libraries (JavaScript, React), AI coding assistants, AI app builders, or through platform integrations (Zapier, WordPress, Adobe Commerce, form builders, landing page builders, CRM).
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