diff --git a/app/src/main/java/com/tangem/data/network/EstimatefeeApi.java b/app/src/main/java/com/tangem/data/network/EstimatefeeApi.java
new file mode 100644
index 0000000000..b8cc1bf146
--- /dev/null
+++ b/app/src/main/java/com/tangem/data/network/EstimatefeeApi.java
@@ -0,0 +1,9 @@
+package com.tangem.data.network;
+
+import retrofit2.Call;
+import retrofit2.http.GET;
+
+public interface EstimatefeeApi {
+    @GET(Server.ApiEstimatefee.Method.N)
+    Call<String> getEstimatefee();
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/tangem/data/network/InfuraApi.java b/app/src/main/java/com/tangem/data/network/InfuraApi.java
index 477ce87ba1..7cba8d3ff4 100644
--- a/app/src/main/java/com/tangem/data/network/InfuraApi.java
+++ b/app/src/main/java/com/tangem/data/network/InfuraApi.java
@@ -6,9 +6,11 @@ import com.tangem.data.network.model.InfuraEthGasPriceResponse;
 import retrofit2.Call;
 import retrofit2.http.Body;
 import retrofit2.http.Header;
+import retrofit2.http.Headers;
 import retrofit2.http.POST;
 
 public interface InfuraApi {
+    @Headers("Content-Type: application/json")
     @POST(Server.ApiInfura.Method.MAIN)
-    Call<InfuraEthGasPriceResponse> ethGasPrice(@Header("Content-Type") String contentType, @Body InfuraEthGasPriceBody body);
+    Call<InfuraEthGasPriceResponse> ethGasPrice(@Body InfuraEthGasPriceBody body);
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/tangem/data/network/Server.java b/app/src/main/java/com/tangem/data/network/Server.java
index ff6ad5298f..f737d80fc7 100644
--- a/app/src/main/java/com/tangem/data/network/Server.java
+++ b/app/src/main/java/com/tangem/data/network/Server.java
@@ -18,7 +18,7 @@ public class Server {
      * https://coinmarketcap.com/api/
      */
     public static class ApiCoinmarket {
-        public static final String URL_COINMARKET = ServerURL.API_COINMARKET;
+        public static final String URL_COINMARKET = ServerURL.API_COINMARKETCAP;
 
         public static class Method {
             public static final String V1_TICKER_CONVERT = URL_COINMARKET + "v1/ticker/?convert=USD&lmit=10";
@@ -34,6 +34,17 @@ public class Server {
         public static class Method {
             public static final String MAIN = URL_INFURA + "AfWg0tmYEX5Kukn2UkKV";
         }
+    }
+
+    /**
+     * https://estimatefee.com/
+     */
+    public static class ApiEstimatefee {
+        public static final String URL_ESTIMATEFEE = ServerURL.API_ESTIMATEFEE;
+
+        public static class Method {
+            public static final String N = URL_ESTIMATEFEE + "n/";
+        }
 
     }
 
diff --git a/app/src/main/java/com/tangem/data/network/ServerApiHelper.java b/app/src/main/java/com/tangem/data/network/ServerApiHelper.java
index f71463f2fe..6b119ddd09 100644
--- a/app/src/main/java/com/tangem/data/network/ServerApiHelper.java
+++ b/app/src/main/java/com/tangem/data/network/ServerApiHelper.java
@@ -50,6 +50,48 @@ import retrofit2.converter.gson.GsonConverterFactory;
 public class ServerApiHelper {
     private static String TAG = ServerApiHelper.class.getSimpleName();
 
+    /**
+     * HTTP
+     * Estimate fee
+     */
+    private EstimateFeeListener estimateFeeListener;
+
+    //
+    public interface EstimateFeeListener {
+        void onInfuraEthGasPrice(String estimateFeeResponse);
+    }
+
+    public void setEstimateFee(EstimateFeeListener listener) {
+        estimateFeeListener = listener;
+    }
+
+    public void estimateFee(String fee) {
+        Retrofit retrofit = new Retrofit.Builder()
+                .baseUrl(Server.ApiEstimatefee.Method.N + fee)
+                .addConverterFactory(GsonConverterFactory.create())
+                .build();
+
+        EstimatefeeApi estimatefeeApi = retrofit.create(EstimatefeeApi.class);
+
+        Call<String> call = estimatefeeApi.getEstimatefee();
+
+        call.enqueue(new Callback<String>() {
+            @Override
+            public void onResponse(@NonNull Call<String> call, @NonNull Response<String> response) {
+                if (response.code() == 200) {
+                    estimateFeeListener.onInfuraEthGasPrice(response.body());
+                    Log.i(TAG, "estimateFee onResponse " + response.code());
+                } else
+                    Log.e(TAG, "estimateFee onResponse " + response.code());
+            }
+
+            @Override
+            public void onFailure(@NonNull Call<String> call, @NonNull Throwable t) {
+                Log.e(TAG, "estimateFee onFailure " + t.getMessage());
+            }
+        });
+    }
+
     /**
      * HTTP
      * InfuraEthGasPrice
@@ -74,7 +116,7 @@ public class ServerApiHelper {
 
         InfuraEthGasPriceBody infuraEthGasPriceBody = new InfuraEthGasPriceBody(method, id);
 
-        Call<InfuraEthGasPriceResponse> call = infuraApi.ethGasPrice("application/json", infuraEthGasPriceBody);
+        Call<InfuraEthGasPriceResponse> call = infuraApi.ethGasPrice(infuraEthGasPriceBody);
 
         call.enqueue(new Callback<InfuraEthGasPriceResponse>() {
             @Override
@@ -120,7 +162,7 @@ public class ServerApiHelper {
 
         CardVerifyBody cardVerifyBody = new CardVerifyBody(requests);
 
-        Call<CardVerifyResponse> call = tangemApi.getCardVerify("application/json", cardVerifyBody);
+        Call<CardVerifyResponse> call = tangemApi.getCardVerify(cardVerifyBody);
         call.enqueue(new Callback<CardVerifyResponse>() {
             @Override
             public void onResponse(@NonNull Call<CardVerifyResponse> call, @NonNull Response<CardVerifyResponse> response) {
diff --git a/app/src/main/java/com/tangem/data/network/ServerURL.java b/app/src/main/java/com/tangem/data/network/ServerURL.java
index 9cb0569b6c..fd85ee64ab 100644
--- a/app/src/main/java/com/tangem/data/network/ServerURL.java
+++ b/app/src/main/java/com/tangem/data/network/ServerURL.java
@@ -2,6 +2,7 @@ package com.tangem.data.network;
 
 public class ServerURL {
     public static final String API_TANGEM = "https://verify.tangem.com/";
-    public static final String API_COINMARKET = "https://api.coinmarketcap.com/";
+    public static final String API_COINMARKETCAP = "https://api.coinmarketcap.com/";
     public static final String API_INFURA = "https://mainnet.infura.io/";
+    public static final String API_ESTIMATEFEE = " https://estimatefee.com/";
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/tangem/data/network/TangemApi.java b/app/src/main/java/com/tangem/data/network/TangemApi.java
index 198e318ab1..d505bab224 100644
--- a/app/src/main/java/com/tangem/data/network/TangemApi.java
+++ b/app/src/main/java/com/tangem/data/network/TangemApi.java
@@ -6,9 +6,11 @@ import com.tangem.data.network.model.CardVerifyResponse;
 import retrofit2.Call;
 import retrofit2.http.Body;
 import retrofit2.http.Header;
+import retrofit2.http.Headers;
 import retrofit2.http.POST;
 
 public interface TangemApi {
+    @Headers("Content-Type: application/json")
     @POST(Server.ApiTangem.Method.VERIFY)
-    Call<CardVerifyResponse> getCardVerify(@Header("Content-Type") String contentType, @Body CardVerifyBody body);
+    Call<CardVerifyResponse> getCardVerify(@Body CardVerifyBody body);
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/tangem/data/network/request/FeeRequest.java b/app/src/main/java/com/tangem/data/network/request/FeeRequest.java
index aaca678c3d..3bca0b5c75 100644
--- a/app/src/main/java/com/tangem/data/network/request/FeeRequest.java
+++ b/app/src/main/java/com/tangem/data/network/request/FeeRequest.java
@@ -47,14 +47,13 @@ public class FeeRequest {
     public static final int NORMAL = 3;
     public static final int MINIMAL = 6;
     private int blockCount = NORMAL;
+
     public void setBlockCount(int count
-    )
-    {
+    ) {
         blockCount = count;
     }
 
-    public int getBlockCount()
-    {
+    public int getBlockCount() {
         return blockCount;
     }
 
@@ -77,7 +76,7 @@ public class FeeRequest {
 
     public static FeeRequest GetFee(String wallet, long txSize, int blockCount) {
         FeeRequest request = new FeeRequest();
-        request.WalletAddress=wallet;
+        request.WalletAddress = wallet;
         request.txSize = txSize;
         request.setBlockCount(blockCount);
         return request;
diff --git a/app/src/main/java/com/tangem/data/network/task/FeeTask.java b/app/src/main/java/com/tangem/data/network/task/FeeTask.java
index 1214ee059b..fdf64b79ad 100644
--- a/app/src/main/java/com/tangem/data/network/task/FeeTask.java
+++ b/app/src/main/java/com/tangem/data/network/task/FeeTask.java
@@ -1,6 +1,7 @@
 package com.tangem.data.network.task;
 
 import android.os.AsyncTask;
+import android.util.Log;
 
 import com.tangem.data.network.request.FeeRequest;
 import com.tangem.domain.wallet.SharedData;
@@ -40,6 +41,9 @@ public class FeeTask extends AsyncTask<FeeRequest, Void, List<FeeRequest>> {
                 httpcon = (HttpURLConnection) url.openConnection();
                 httpcon.setRequestMethod("GET");
 
+
+                Log.i("scscsccsw222", url.toString());
+
                 httpcon.connect();
 
                 BufferedReader in = new BufferedReader(
diff --git a/app/src/main/java/com/tangem/presentation/activity/ConfirmPaymentActivity.kt b/app/src/main/java/com/tangem/presentation/activity/ConfirmPaymentActivity.kt
index a30c04a577..8ae99fee04 100644
--- a/app/src/main/java/com/tangem/presentation/activity/ConfirmPaymentActivity.kt
+++ b/app/src/main/java/com/tangem/presentation/activity/ConfirmPaymentActivity.kt
@@ -130,6 +130,9 @@ class ConfirmPaymentActivity : AppCompatActivity(), NfcAdapter.ReaderCallback {
             val sharedFee = SharedData(SharedData.COUNT_REQUEST)
 
             progressBar!!.visibility = View.VISIBLE
+
+            serverApiHelper!!.estimateFee("3/")
+
             for (i in 0 until SharedData.COUNT_REQUEST) {
                 val feeTask = ConnectFeeTask(this@ConfirmPaymentActivity, sharedFee)
                 feeTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR,
@@ -242,6 +245,13 @@ class ConfirmPaymentActivity : AppCompatActivity(), NfcAdapter.ReaderCallback {
 
 //            Log.i("eth_gas_price", feeInGwei)
         }
+
+        // request estimate fee listener
+        serverApiHelper!!.setEstimateFee {
+
+
+            Log.i("estimate_fee", it)
+        }
     }
 
     public override fun onResume() {