curl --request POST \
  --url https://app.nex.ai/api/developers/v1/notes \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "title": "Meeting notes",
  "content": "Discussed Q3 roadmap...",
  "entity_id": "1001"
}
'

{
  "id": "900",
  "title": "Meeting notes",
  "content": "Discussed Q3 roadmap...",
  "entity_id": "1001",
  "created_by": "developer_api",
  "created_at": "2024-01-15T10:00:00Z"
}