CCA Community API

Resolve a location to its full Census geography hierarchy (state → county → tract → block, plus place, congressional & state-legislative districts, MSA, PUMA, urban area, ZCTA5, and school districts).

address	One-line street address (Census Geocoder + TIGERweb)
zip	5-digit ZIP / ZCTA (cca-geocode centroid → TIGERweb)
lat & lon	Explicit point (TIGERweb only)
include	data to also bundle the tract SDOS data in one call

curl "https://community.datasourceapi.com/api/v1/geographies?address=1600+Pennsylvania+Ave+NW,+Washington,+DC+20500"

Cached bundle for an 11-digit tract GEOID: ACS demographics/economics/housing, CDC PLACES health, CDC SVI, EPA EJScreen, FEMA NRI, USDA Food Access. Sources are fetched on first request and cached with per-source staleness.

refresh	Bypass cache and refetch
acs_year	Historical ACS vintage (2020–2023)
lat & lon	Improves USDA food-access tract crosswalk

curl "https://community.datasourceapi.com/api/v1/tract/11001980000"

A single source slice: acs, health (PLACES), svi, risk (FEMA NRI), food (USDA), environment (EJScreen).

Force-refresh every source for a tract. Requires the X-Admin-Key header.

Mapbox Vector Tiles of Census boundaries, ingested from TIGER/Line into PMTiles and served from our own R2 bucket — no third-party tile host. Layers: tracts, block_groups, counties, zcta, places, congressional, state_senate, state_house, school_unified, msa, puma, urban_areas, states. See /api/v1/tiles for which are ingested, and /api/v1/tiles/{layer}.json for TileJSON.

map.addSource('counties', { type: 'vector', url: 'https://community.datasourceapi.com/api/v1/tiles/counties.json' });