US Street Address
Free trialLiveLast verified 24 Sept 2026
Validates and standardizes US street addresses against USPS and proprietary datasets.
Example request
curl -s 'https://us-street.api.smarty.com/street-address?auth-id=$API_KEY&auth-token=$API_KEY&street=1600+amphitheatre+pkwy&city=mountain+view&state=CA&candidates=1'
Free tier, in plain English
No ongoing free tier; a 42-day trial with 1,000 lookups is offered before a paid plan is required.
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