curl --request GET \
  --url https://api.coingecko.com/api/v3/search \
  --header 'x-cg-demo-api-key: <api-key>'

{
  "coins": [
    {
      "id": "ethereum",
      "name": "Ethereum",
      "api_symbol": "ethereum",
      "symbol": "ETH",
      "market_cap_rank": 2,
      "thumb": "https://coin-images.coingecko.com/coins/images/279/thumb/ethereum.png",
      "large": "https://coin-images.coingecko.com/coins/images/279/large/ethereum.png"
    }
  ],
  "exchanges": [
    {
      "id": "uniswap_v3",
      "name": "Uniswap V3 (Ethereum)",
      "market_type": "spot",
      "thumb": "https://coin-images.coingecko.com/markets/images/665/thumb/uniswap-v3.png",
      "large": "https://coin-images.coingecko.com/markets/images/665/large/uniswap-v3.png"
    }
  ],
  "icos": [],
  "categories": [
    {
      "id": "ethereum-pos-iou",
      "name": "Ethereum PoS IOU"
    }
  ],
  "nfts": [
    {
      "id": "ens-ethereum-name-service",
      "name": "ENS: Ethereum Name Service",
      "symbol": "ENS",
      "thumb": "https://coin-images.coingecko.com/nft_contracts/images/373/thumb/ens-ethereum-name-service.png"
    }
  ]
}