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fittings Census Geography Bundle
x402
fittings Census Geography Bundle is a paid API for AI agents from fittings.sh, paid per call via x402, $0.008/call, status unknown (last checked 2026-10-10).
Returns all US Census geographic layers (state, county, tract, block, place, urban area, congressional and state legislative districts) for a given latitude/longitude coordinate in a single API call.
Price / call$0.008
Success—
StatusUnknown
How this service works
Every Census geography layer containing a US coordinate in one call: state, county, tract, block, place, urban area, congressional and state legislative districts.
Output
A JSON object containing all matching US Census geography layers for the provided coordinate: state, county, census tract, census block, place, urban area, congressional district, and state legislative districts — each with their FIPS codes and names.
Example use cases
Voter district lookup tool
“I have a GPS coordinate at latitude 38.897 and longitude -77.037 — can you tell me which congressional district, state house district, and state senate district it falls in?”
Census tract enrichment for addresses
“I need to enrich my dataset: for the point at lat 34.0522, lon -118.2437, give me the full Census geography bundle including tract, block, county, and place.”
Urban area classifier for field survey
“We're collecting field data and recorded a location at 41.8781 latitude and -87.6298 longitude — which Census urban area, county, and state does that fall under?”
Technical details
Endpoint
GEThttps://fittings.sh/v1/census/geography-bundle?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need all Census geography layers for a single US coordinate in one call, instead of making multiple separate lookups per layer. Ideal for enriching datasets with full Census context, mapping political districts, or performing compliance checks that require tract-level geographic resolution. Prefer this over geocoding endpoints when you already have coordinates and need Census layers specifically.
Side effects
- Coordinate outside the US returns no matching geography layers
- Invalid or missing lat/lon parameters return a 400 error
- Coordinates in US territories may have incomplete or missing district data
- Ambiguous coordinates on geographic boundaries may return unexpected results
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Tags
x402
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