curl --request POST \
  --url https://api.example.com/v1/onboarding/eligibility/check \
  --header 'Content-Type: application/json' \
  --header 'x-ws-api-key: <api-key>' \
  --data '
{
  "zipcode": "94107"
}
'

{
  "supported": true,
  "wholesaleMarket": true,
  "tariffData": true,
  "demandResponsePrograms": [
    "CAISO"
  ],
  "reason": "Zipcode is supported for onboarding."
}