curl --request GET \
  --url https://api.snowseo.com/v3/keyword-research/ \
  --header 'Authorization: Bearer <token>'

{
  "exact_keyword": [
    {
      "keyword": "<string>",
      "monthlysearch": 123,
      "difficulty": "<string>",
      "competition_score": 123,
      "annotation": "<string>",
      "cpc": 123,
      "historic_data": [
        {
          "year": 123,
          "month": 123,
          "search_volume": 123
        }
      ]
    }
  ],
  "related_keywords": [
    {
      "keyword": "<string>",
      "monthlysearch": 123,
      "difficulty": "<string>",
      "competition_score": 123,
      "annotation": "<string>",
      "cpc": 123,
      "historic_data": [
        {
          "year": 123,
          "month": 123,
          "search_volume": 123
        }
      ]
    }
  ]
}