curl --request GET \
  --url https://pro-api.coingecko.com/api/v3/coins/{id}/supply_breakdown \
  --header 'x-cg-pro-api-key: <api-key>'

{
  "id": "uniswap",
  "symbol": "uni",
  "name": "Uniswap",
  "supply_data": {
    "total_supply": 894182420.0329479,
    "circulating_supply": 622047561.5538775,
    "outstanding_supply": 0,
    "non_circulating_supply": 272134858.4790704,
    "last_updated": "2026-06-15T04:23:07.552Z"
  },
  "non_circulating_wallets": [
    {
      "address": "0x1a9C8182C09F50C8318d769245beA52c32BE35BC",
      "label": "UNI Timelock",
      "balance": 272134858.4790704,
      "percentage_of_total_supply": 30.4329777849204,
      "anomaly": false,
      "last_updated": "2026-06-14T12:10:34.565Z"
    }
  ]
}