curl --request POST \
  --url https://api.example.com/api/v1/personalize/bulk \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "requests": [
    {
      "lead_data": {
        "data": {}
      },
      "sender_data": {
        "data": {}
      }
    }
  ]
}
'

{
  "job_id": "<string>",
  "status": "<string>",
  "message": "<string>",
  "estimated_time_seconds": 2,
  "credits_required": 123,
  "priority": "normal"
}