curl --request GET \
  --url https://pro-api.coingecko.com/api/v3/onchain/networks/{network}/tokens/{token_address}/ohlcv/{timeframe} \
  --header 'x-cg-pro-api-key: <api-key>'

{
  "data": {
    "id": "bc786a99-7205-4c80-aaa1-b9634d97c926",
    "type": "ohlcv_request_response",
    "attributes": {
      "ohlcv_list": [
        [
          1712534400,
          3454.61590249189,
          3660.85954963415,
          3417.91885296256,
          3660.85954963415,
          306823.277031161
        ],
        [
          1712448000,
          3362.60273217873,
          3455.28884490954,
          3352.95305060685,
          3454.61590249189,
          242144.864784184
        ],
        [
          1712361600,
          3323.05578706056,
          3391.19811016133,
          3317.73497182435,
          3362.60273217873,
          273323.661682931
        ]
      ]
    }
  },
  "meta": {
    "base": {
      "address": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
      "name": "Wrapped Ether",
      "symbol": "WETH",
      "coingecko_coin_id": "weth"
    },
    "quote": {
      "address": "0xdac17f958d2ee523a2206206994597c13d831ec7",
      "name": "Tether USD",
      "symbol": "USDT",
      "coingecko_coin_id": "tether"
    }
  }
}