Is it possible to display the balance of a smart contract on the site?

Question

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Freelance layout designers claim that this is impossible, but I do not believe that open information on etherscan for a specific contract - the balance of a smart contract, cannot be displayed on a third-party site. Is it true?

Answer 1

You can take this API: https://github.com/EverexIO/Ethplorer/wiki/Ethplor...
Example:
api.ethplorer.io/getAddressInfo/0x32Be343B94f86012...

spoiler

{
  "address": "0x32be343b94f860124dc4fee278fdcbd38c102d88",
  "ETH": {
    "balance": 2.0542680760545484
  },
  "countTxs": 2446019,
  "tokens": [
    {
      "tokenInfo": {
        "address": "0x2bdc0d42996017fce214b21607a515da41a9e0c5",
        "name": "SkinCoin",
        "decimals": "6",
        "symbol": "SKIN",
        "totalSupply": "388183000000000",
        "owner": "0x6f2010d0fbaf8b7dbc13ee7252ff8594a2be3c51",
        "lastUpdated": 1566777665,
        "issuancesCount": 0,
        "holdersCount": 4167,
        "image": "https://ethplorer.io/images/skincoin.png",
        "description": "First Universal Cryptocurrency based on Ethereum for instant trading CS:GO, Dota 2 skins, and making bets on eSports events\n\nhttps://skincoin.org\nhttps://www.facebook.com/skincoin/\nhttps://twitter.com/skincoin_org",
        "ethTransfersCount": 29,
        "price": {
          "rate": 0.000476030266457,
          "diff": -11.51,
          "diff7d": -0.26,
          "ts": 1566827043,
          "marketCapUsd": 41978.00690959633,
          "availableSupply": 88183483,
          "volume24h": 1571.26022094368,
          "diff30d": -33.46333000860204,
          "currency": "USD"
        }
      },
      "balance": 186088535060,
      "totalIn": 11474050000,
      "totalOut": 0
    },
    {
      "tokenInfo": {
        "address": "0xa4ec83c8907888d006a37debf755ee39766f38ae",
        "name": "Global Currency Unit",
        "decimals": "18",
        "symbol": "GCU",
        "totalSupply": "88888888000000000000000000000",
        "owner": "0x5d01bad722f5b6856c34851f16a22f7d967c39c5",
        "lastUpdated": 1566825626,
        "issuancesCount": 0,
        "holdersCount": 27547,
        "price": false
      },
      "balance": 2.5e+22,
      "totalIn": 0,
      "totalOut": 0
    }
  ]
}