curl --request POST \
  --url https://pria.praxislxp.com/api/ai/rtProxy/rtSession \
  --header 'Content-Type: application/json' \
  --header 'x-access-token: <api-key>' \
  --data '
{
  "institutionId": "<string>",
  "model": "gpt-4o-realtime-preview",
  "voice": "alloy"
}
'

{
  "success": true,
  "sessionId": "<string>",
  "ephemeralKey": "<string>",
  "model": "<string>"
}