curl --request GET \
  --url https://api.tilt.io/api/v1/indexes/{index_id}/constituents \
  --header 'X-Api-Key: <api-key>'

{
  "meta": {
    "index_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "effective_date": "2023-12-25"
  },
  "data": [
    {
      "proprietary_id": "<string>",
      "isin": "<string>",
      "cusip": "<string>",
      "ticker": "<string>",
      "mic": "<string>",
      "security_name": "<string>",
      "country_of_listing": "<string>",
      "rbics_sector": "<string>",
      "rbics_sub_sector": "<string>",
      "size_segment": "<string>",
      "local_close_price": "<string>",
      "local_currency": "<string>",
      "fx_rate": "<string>",
      "shares_outstanding": 123,
      "free_float_factor": "<string>",
      "capping_factor": "<string>",
      "index_shares": "<string>",
      "index_market_cap": "<string>",
      "index_weight": "<string>",
      "full_market_cap": "<string>"
    }
  ]
}