curl --request POST \
  --url https://your-instance.example.com/api/webhook/calls/twilio \
  --header 'Content-Type: application/json' \
  --data '
{
  "CallSid": "<string>",
  "CallStatus": "<string>",
  "From": "<string>",
  "To": "<string>",
  "Direction": "<string>"
}
'

{}