curl --request POST \
  --url https://api.bey.dev/v1/sessions \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "avatar_id": "<string>",
  "url": "<string>",
  "token": "<string>",
  "transport": "livekit"
}
'

{
  "id": "<string>",
  "avatar_id": "<string>",
  "status": {
    "type": "to_start"
  },
  "url": "<string>",
  "transport": "livekit"
}