curl --request POST \
  --url https://api.getnexor.ai/api/public/master-workflows \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "name": "Real Estate Pipeline",
  "description": "Groups prospecting and closing workflows"
}
'

{
  "success": true,
  "master_workflow": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "name": "Real Estate Pipeline",
    "is_active": true,
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z",
    "description": "Groups prospecting and closing workflows"
  }
}