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post/geo-postal/v1/us_census3 credits

United States census-grade geocode: street ADDRESS, ZIP, or coordinates → state, county (+5-digit FIPS), census TRACT GEOID, census BLOCK GEOID, ZCTA, and tract/ZCTA land-area — with match_type + confidence. Coordinates/ZIP resolve the ZCTA offline from pinned TIGER/ZCTA-2024 polygons (zero egress); the authoritative tract/block GEOID + address geocoding come from the US Census Geocoder, cached. US-Gov public domain (Title 17 §105).

Working example

Parameters

addressoptional

postal_codeoptional

latoptional

lonoptional

include_geometryoptional

liveoptional

request preview

curl -X POST https://api.reefapi.com/geo-postal/v1/us_census \
  -H "x-api-key: $REEF_KEY" \
  -H "content-type: application/json" \
  -d '{"lat":"40.7505","lon":"-73.9967","live":"true"}'

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