How to display your call price (e.g 1 USD = 0.9453 USDT ) on our front end?

You can use the API for getting price

These parameters are required to get response from the API.

"fiatCurrency" //eg: EUR
"cryptoCurrency" //eg: HIVE
"paymentMethod" //eg:sepa_bank_transfer
"partnerApiKey" //YOUR_API_KEY
"network" //mainnet 
"isBuyOrSell" //BUY
"fiatAmount" / "cryptoAmount" //Any one is required

Sample Response :

"response": {
    "quoteId": "e90fafc-c312-4c41-96e1-e7b024c1f5",
    "conversionPrice": 1.8716840952998788,
        "marketConversionPrice": 1.8752235637488837,
        "slippage": 0.19,
        "fiatCurrency": "EUR",
        "cryptoCurrency": "HIVE",
        "paymentMethod": "sepa_bank_transfer",
        "processingTime": "1 to 2 days",
        "fiatAmount": 26.85,
        "cryptoAmount": 48.36,
        "isBuyOrSell": "BUY",
        "network": "mainnet",
        "feeDecimal": 0.03761638733705772,
        "totalFee": 1.01,
        "feeBreakdown": [
            {
                "name": "Transak fee",
                "value": 1,
                "id": "transak_fee",
                "ids": [
                    "transak_fee"
                ]
            },
            {
                "name": "Network/Exchange fee",
                "value": 0.01,
                "id": "network_fee",
                "ids": [
                    "network_fee"
                ]
            }
        ],
        "nonce": 1630225445,
        "provider": ""
    }