Updated on 2026-08-14

app/src/main/java/com/tangem/tap/domain/topup/TradeCryptoHelper.kt

@@ -38,6 +38,8 @@ class TradeCryptoHelper {
 
         private const val TRANSACTION_RECEIPT_PATH = "transaction_receipt?transactionId="
 
+        private const val BASE_CURRENCY_USD = "USD"
+
         fun getUrl(
             action: Action,
             blockchain: Blockchain?,
@@ -56,6 +58,7 @@ class TradeCryptoHelper {
                     baseUrl = BASE_URL_BUY
                     originalQuery = API_KEY_PATH + apiKey.urlEncode() +
                             CURRENCY_PATH + cryptoCurrencyName.urlEncode() +
+                            BASE_CURRENCY_PATH + BASE_CURRENCY_USD.urlEncode() +
                             WALLET_ADDRESS_PATH + walletAddress.urlEncode() +
                             REDIRECT_URL_PATH + REDIRECT_URL_BUY.urlEncode()
                 }

app/src/main/java/com/tangem/tap/features/wallet/redux/middlewares/TradeCryptoMiddleware.kt

@@ -58,12 +58,12 @@ class TradeCryptoMiddleware {
         }
 
         val url = TradeCryptoHelper.getUrl(
-            exchangeAction,
-            currency?.blockchain,
-            currencySymbol,
-            defaultAddress,
-            config.moonPayApiKey,
-            config.moonPayApiSecretKey
+            action = exchangeAction,
+            blockchain = currency?.blockchain,
+            cryptoCurrencyName = currencySymbol,
+            walletAddress = defaultAddress,
+            apiKey = config.moonPayApiKey,
+            secretKey = config.moonPayApiSecretKey
         )
         Timber.d("Moonpay $exchangeAction URL: $url")
         store.dispatchOnMain(NavigationAction.OpenUrl(url))