curl --request POST \
  --url https://protegee.ai/voice/api/v1/retell/set-context \
  --header 'Content-Type: application/json' \
  --data '
{
  "call": {
    "from_number": "+1234567890",
    "to_number": "+1987654321"
  },
  "args": {
    "description": "iPhone 15 Pro Max",
    "price": "999.99",
    "vendor": "Apple Store",
    "customer_id": "<string>",
    "persona": "english-jessica",
    "callback": "<string>",
    "email": "<string>",
    "full_name": "<string>",
    "memory": "<string>",
    "transaction_type": "once"
  }
}
'

{
  "message": {
    "caller": "<string>"
  }
}