GeoClear returns FEMA flood zone, census tract, county FIPS, RDI, and timezone for any US address — in a single API call. 198M+ addresses. Free tier (10K calls/mo), no credit card. Paid plans from $49/mo. No stitching together the Census Bureau geocoder + FEMA NFHL API separately. We did that work. You get one clean JSON response. Built on: USDOT NAD, Overture Maps, FEMA NFHL, US Census Bureau.