GET/healthSystem health check
POST/providers/searchSearch providers with network participation + zip radius
GET/providers/:npiGet provider by NPI
GET/zip/:zipcodeZip code coordinates (42,354 US zip codes)
GET/carriersList carriers with membership counts and sync status
GET/plansCMS Medicare Advantage plan codes
GET/data-freshnessData currency by carrier and source
GET/fhir/r4/metadataFHIR R4 CapabilityStatement