curl --request POST \
  --url 'workflows/create-or-update' \
  --header 'Authorization: Bearer YOUR_API_KEY' \
  -F 'name="Sample"' \
  -F 'description="sample description"' \
  -F 'nodes=[]' \
  -F 'edges=[]' \
  -F 'ml_payload=[]' \

{
    "responseCode": 2000,
    "message": "Workflow created/updated successfully",
    "data": {
        "workflow": {
            "name": null,
            "description": null,
            "nodes": null,
            "edges": null,
            "ml_payload": null,
            "user_id": "**",
            "id": "c392dd0e-6d8c-43b6-aefd-***",
            "created_at": "2025-07-29T09:11:00.661Z",
            "updated_at": "2025-07-29T09:11:00.661Z"
        }
    }
}