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Reference Data
List counties
Returns counties, optionally filtered by one or more jurisdiction codes (comma-separated).
GET
Error
Authorizations
Public API key (format cxp_<tier>_<body>, tier = ro|std|full). Scoped to a single firm. The firm must have public_api in allowedIntegrations.
Query Parameters
Comma-separated jurisdiction codes to filter by (optional)
Example:
"NY,NJ"