curl --request GET \
  --url https://tonapi.io/v2/accounts/{account_id}/jettons

{
  "balances": [
    {
      "balance": "597968399",
      "wallet_address": {
        "address": "0:10C1073837B93FDAAD594284CE8B8EFF7B9CF25427440EB2FC682762E1471365",
        "is_scam": true,
        "is_wallet": true,
        "name": "Ton foundation",
        "icon": "https://ton.org/logo.png"
      },
      "jetton": {
        "address": "0:0BB5A9F69043EEBDDA5AD2E946EB953242BD8F603FE795D90698CEEC6BFC60A0",
        "name": "Wrapped TON",
        "symbol": "WTON",
        "decimals": 9,
        "image": "https://cache.tonapi.io/images/jetton.jpg",
        "score": 123,
        "custom_payload_api_uri": "<string>",
        "scaled_ui": {
          "numerator": "597968399",
          "denominator": "597968399"
        },
        "description": "<string>"
      },
      "price": {
        "prices": {
          "TON": 1.3710752873163712
        },
        "diff_24h": {
          "TON": "-1.28%"
        },
        "diff_7d": {
          "TON": "-2.74%"
        },
        "diff_30d": {
          "TON": "-0.56%"
        }
      },
      "extensions": [
        "custom_payload",
        "non_transferable"
      ],
      "lock": {
        "amount": "597968399",
        "till": 1678223064
      }
    }
  ]
}

{
  "error": "<string>",
  "error_code": 123
}