List child geographies
GET/v1/geographies/:geo_key/children
Returns child geographies for the given parent. For direct children (e.g. state → counties), uses the parent_geo_id relationship. For deeper hierarchies (e.g. state → tracts), resolves via FIPS prefix matching.
Request
Responses
- 200
- 400
- 404
- 422
Successful Response
Bad Request
Not Found
Validation Error