Validate and standardise United States addresses in real time. Get a matched address, geocoordinates, confidence score, and ZIP Code data via a single API call.
US addresses consist of a street number, street name, city, two-letter state abbreviation, and 5-digit ZIP code (optionally extended to ZIP+4 for delivery-point precision). Apartment or suite numbers follow the street address.
1600 Pennsylvania Avenue NW, Washington, DC 20500curl -X POST https://agent.apitier.com/v1/enrich \
-H "Content-Type: application/json" \
-H "x-api-key: YOUR_API_KEY" \
-d '{"address": "1600 Pennsylvania Avenue NW, Washington, DC 20500"}'The APITier Address Agent API handles address validation across 120+ countries. Free trial — 20 requests, no credit card required.