GeoClear
US address intelligence API. Validate and enrich any US address with FEMA flood zone, census tract, timezone, and residential flag — all in one API call. 198M addresses. Free tier, no credit card.
GeoClear endpoints
| Method | Endpoint | Description |
|---|---|---|
| Address | ||
| GET |
/api/address /api/address |
Verify and enrich a US address. Returns the matching address(es) with coordinates, neighborhood, county FIPS, timezone, residential flag, and confidence score. Use `?fuzzy=true`… |
| GET |
/api/near /api/near |
Returns addresses within a given radius of a lat/lon coordinate. |
| GET |
/api/suggest /api/suggest |
Returns up to 20 address suggestions matching the given prefix. Designed for live-as-you-type UX. |
| POST |
/api/address/bulk /api/address/bulk |
Verify and enrich up to 1,000 addresses in a single synchronous request. |
| Enrichment | ||
| GET |
/api/enrich /api/enrich |
Returns census tract, block group, and FEMA flood zone for a lat/lon coordinate or NAD UUID. Calls Census Bureau Geocoder API + FEMA NFHL API. |
| Geography | ||
| GET |
/api/state/{code} /api/state/{code} |
Returns address count, county count, city count, and ZIP count for a state. |
| GET |
/api/zip/{zip} /api/zip/{zip} |
Returns metadata and address count for a ZIP code. |
| Account | ||
| POST |
/v1/signup /v1/signup |
Issue a free API key (10,000 lookups/month). No credit card required. |
| GET |
/v1/me /v1/me |
Returns your key's tier, rate limits, and usage today / all time. |
| Status | ||
| GET |
/api/health /api/health |
Returns service status and address count. No auth required. |
| GET |
/api/stats /api/stats |
Returns counts of states, counties, cities, ZIP codes, and addresses in the database. No auth required. |
GeoClear pricing
| Plan | Price | Rate limit | Quotas |
|---|---|---|---|
| BASIC | Free | — |
|