CS2 data in a spreadsheet.

// Extensions > Apps Script. Save your key under Project Settings > Script properties
// as CITO_API_KEY, then type =CS2_VRS(30) in a cell.
function CS2_VRS(limit) {
  const key = PropertiesService.getScriptProperties().getProperty("CITO_API_KEY");
  const res = UrlFetchApp.fetch(
    "https://api.citoapi.com/api/v1/cs2/rankings/vrs?limit=" + (limit || 30),
    { headers: { "x-api-key": key } }
  );
  const rows = JSON.parse(res.getContentText()).data;
  return [["Rank", "Team", "Points", "Change"]].concat(
    rows.map(function (r) { return [r.rank, r.teamName, r.points, r.change]; })
  );
}

function CS2_RESULTS(limit) {
  const key = PropertiesService.getScriptProperties().getProperty("CITO_API_KEY");
  const res = UrlFetchApp.fetch(
    "https://api.citoapi.com/api/v1/cs2/matches/recent?limit=" + (limit || 20),
    { headers: { "x-api-key": key } }
  );
  const rows = JSON.parse(res.getContentText()).data;
  return [["Event", "Team 1", "Score", "Team 2"]].concat(
    rows.map(function (m) { return [m.eventName, m.team1Name, m.team1Score + "-" + m.team2Score, m.team2Name]; })
  );
}