curl --request POST \
  --url https://api.topsort.com/public/v1/campaign-service/estimated-clicks \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "products": [
    {
      "price": 123,
      "bidAmount": "<unknown>",
      "categoryIds": []
    }
  ],
  "budget": 123,
  "budgetPeriod": "daily",
  "isAutoBidding": true
}
'

{
  "estimatedClicks": 123
}