curl --request GET \
  --url https://api.ivory.finance/v1/companies/{cik}/topics/{topic_id}/timeline \
  --header 'X-API-Key: <api-key>'

{
  "cik": "<string>",
  "topic_id": 123,
  "topic_name": "<string>",
  "topic_slug": "<string>",
  "timeline": [
    {
      "quarter": "<string>",
      "mentions": 123,
      "relevance": 123,
      "positive": 123,
      "negative": 123,
      "doc_count": 123,
      "period_start": "2023-12-25"
    }
  ],
  "company_name": "<string>"
}