curl --request POST \
  --url https://api.linqalpha.com/v1/briefings \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <api-key>' \
  --data '
{
  "topic": "<string>",
  "scheduled_time": "<string>",
  "timezone": "<string>",
  "stock_ids": [
    "<string>"
  ],
  "tickers": [
    "<string>"
  ],
  "language": "English",
  "frequency": "daily",
  "scheduled_day_of_week": 3,
  "scheduled_day_of_month": 16,
  "title": "<string>",
  "source_type": "tfs_only",
  "attach_pdf": false,
  "is_active": true,
  "rms_sources": [
    {
      "source": "<string>",
      "workspace": "<string>"
    }
  ],
  "watchlist_group_id": "<string>",
  "use_custom_email_title": false,
  "organization_id": "<string>",
  "user_id": "<string>",
  "user_email": "<string>"
}
'

{
  "error": {},
  "payload": {
    "id": "<string>",
    "title": "<string>",
    "topic": "<string>",
    "tickers": [
      "<string>"
    ],
    "language": "<string>",
    "scheduled_time": "<string>",
    "timezone": "<string>",
    "frequency": "daily",
    "scheduled_day_of_week": 123,
    "scheduled_day_of_month": 123,
    "next_delivery_at": "<string>",
    "is_active": true,
    "source_type": "<string>",
    "attach_pdf": true,
    "created_at": "<string>",
    "updated_at": "<string>"
  }
}