Kit Rx US Geocoding, Census & Weather API docs
US address geocoding and reverse geocoding with Census geographies (state, county, tract, block group, districts, ZCTA, metro area) and USGS elevation, plus National Weather Service forecasts (7-day or hourly) and active alerts for an address or point. Each call is one x402 v2 payment in USDC on Base, Polygon, Arbitrum, Avalanche or Sei; no signup or API key. Requests that fail or match nothing are not charged.
US address geocode with Census geographies $0.005
GET /v1/geo/us-addressGeocodes a one-line US address, or reverse-geocodes a lat/lon point, to coordinates and the Census geographies containing it: state and county FIPS, county subdivision, place, tract, block group, block, ZCTA, congressional and state legislative districts, school districts, urban area, metro or micro area, metro division, CSA, PUMA, census region and division, plus ground elevation in feet. Sources: US Census Geocoder (current benchmark), USGS 3DEP elevation service (EPQS).
US weather forecast and active alerts (NWS) $0.005
GET /v1/geo/weatherWeather forecast and active alerts for a US address or lat/lon point: NWS office, grid, forecast and county zones, time zone; 7-day periods (temperature, wind, precipitation chance, short and detailed forecast) or, with hourly=true, the next 24 hours adding humidity and dew point; active watches, warnings and advisories with event, severity, urgency, certainty, headline, timing and area. Sources: NOAA National Weather Service API, US Census Geocoder for addresses.
Kit Rx US Geocoding, Census & Weather: Geo data for AI agents: US address geocoding and reverse geocoding with Census geography, elevation, and NWS weather forecasts and alerts, paid per call over x402. Machine-readable: OpenAPI, llms.txt, /.well-known/x402, agent skills.