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US Address Geocoder (Census)
x402
US Address Geocoder (Census) is a paid API for AI agents from bess-x402.onrender.com, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-30).
Geocodes a US street address using the Census Bureau geocoder, returning standardized address, lat/lon coordinates, ZIP, county, census tract and block, city, metro area, and congressional district with FIPS/GEOIDs.
Price / call$0.002
Success—
StatusUnknown
How this service works
Match a US street address with the Census Bureau geocoder: standardized address, coordinates, ZIP, county, census tract and block, city, metro area and congressional district with FIPS/GEOIDs.
Output
Returns a standardized US street address, latitude/longitude coordinates, ZIP code, county name and FIPS code, census tract and block GEOIDs, city name, metropolitan statistical area (MSA), and congressional district — all derived from the US Census Bureau geocoder.
Example use cases
Voter registration district lookup
“I need to find out what congressional district and census tract 742 Evergreen Terrace, Springfield, IL 62701 falls in — can you look that up for me?”
Delivery address standardization
“Can you standardize and geocode this customer address for our records: '123 Main St, Brooklyn NY 11201'? I need the lat/lon plus the official county and ZIP.”
Property location enrichment
“For the property at 450 Serra Mall, Stanford, CA 94305, can you pull the census block, FIPS code, and metro area from the Census geocoder?”
Technical details
Endpoint
GEThttps://bess-x402.onrender.com/v1/geo/us-address?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need authoritative US Census-aligned geographic identifiers (FIPS codes, census tracts, blocks, GEOIDs) alongside coordinates — especially for demographic analysis, regulatory compliance, voter district identification, or any workflow requiring official Census Bureau geography. Prefer this over commercial geocoders when Census-specific attributes (tract, block, congressional district) are required and when cost efficiency matters at $0.002 per call.
Side effects
- Address not found in Census database — returns no match result
- Ambiguous or incomplete address input may return multiple candidate matches or no match
- Non-US addresses will not be geocoded
- Malformed or missing address parameter returns a 400/validation error
- Render.com cold-start latency may cause occasional slow responses
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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