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Saylor Innovations US Census Geocoder
x402
Saylor Innovations US Census Geocoder is a paid API for AI agents from saylorinnovations.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-18).
Geocodes a US street address using the Census Bureau, returning matched address, lat/lon coordinates, state/county FIPS codes, census tract, block, and congressional district
Price / call$0.01
Success—
StatusUnknown
How this service works
US street address geocoder from the Census Bureau - matched address, lat/lon, state and county FIPS, census tract, block and congressional district
Output
Returns the matched/standardized address string, decimal latitude and longitude, state and county objects with FIPS codes, census tract details, census block identifier, congressional district, parsed address components, data source attribution, and a count of other lower-ranked candidate matches.
Example use cases
Census tract lookup for compliance
“I need the census tract and county FIPS code for 350 Fifth Avenue, New York, NY 10118 — can you look that up for me?”
Congressional district finder
“Which congressional district does 233 S Wacker Dr, Chicago, IL 60606 fall in? Also grab me the latitude and longitude while you're at it.”
Address enrichment for voter data
“Can you geocode 1 Infinite Loop, Cupertino, CA 95014 and give me the full census geography info including state FIPS, county FIPS, census block, and matched address?”
Technical details
Endpoint
GEThttps://saylorinnovations.com/api/geocode/us-census?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need authoritative US Census Bureau-backed geocoding that also returns census geography identifiers (tract, block, FIPS codes) and congressional districts alongside coordinates. It is ideal for compliance workflows, demographic analysis, voter/political district lookups, and address enrichment pipelines that require official census geographies rather than just lat/lon. Prefer over general-purpose geocoders when census tract or FIPS codes are explicitly required.
Side effects
- Address not found or unrecognized — lat/lon and census fields return null
- Ambiguous address with multiple matches — primary match returned with other_matches count > 0
- Non-US address submitted — no match returned
- Malformed or incomplete address string — query echoed back with null geographic fields
- Service unavailable — HTTP error response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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