diff --git a/pom.xml b/pom.xml
index 4617f46..275f4d1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -294,7 +294,7 @@
         <maven.compiler.target>${java.version}</maven.compiler.target>
         <gson-fire-version>1.8.4</gson-fire-version>
         <okhttp-version>3.14.7</okhttp-version>
-        <gson-version>2.8.6</gson-version>
+        <gson-version>2.8.9</gson-version>
         <commons-lang3-version>3.10</commons-lang3-version>
         <commons-codec-version>1.14</commons-codec-version>
         <javax-annotation-version>1.3.2</javax-annotation-version>
diff --git a/src/main/java/io/gate/gateapi/ApiClient.java b/src/main/java/io/gate/gateapi/ApiClient.java
index dd074b9..e93ff5a 100644
--- a/src/main/java/io/gate/gateapi/ApiClient.java
+++ b/src/main/java/io/gate/gateapi/ApiClient.java
@@ -991,14 +991,6 @@ public <T> T handleResponse(Response response, Type returnType) throws ApiExcept
                 } catch (IOException e) {
                     throw new ApiException(response.message(), e, response.code(), response.headers().toMultimap());
                 }
-                try {
-                    GateApiException exp = json.deserialize(respBody, GateApiException.class);
-                    if (exp.getErrorLabel() != null && !"".equals(exp.getErrorLabel())) {
-                        throw new GateApiException(exp, response.message(), response.code(), response.headers().toMultimap(), respBody);
-                    }
-                } catch (JsonParseException e) {
-                    // use original body
-                }
             }
             String message = response.message() + (respBody != null ? (", " + respBody) : "");
             throw new ApiException(message, response.code(), response.headers().toMultimap(), respBody);
diff --git a/src/main/java/io/gate/gateapi/ApiException.java b/src/main/java/io/gate/gateapi/ApiException.java
index f546bef..b1cb55b 100644
--- a/src/main/java/io/gate/gateapi/ApiException.java
+++ b/src/main/java/io/gate/gateapi/ApiException.java
@@ -15,9 +15,9 @@
 
 
 public class ApiException extends Exception {
-    private int code = 0;
-    private Map<String, List<String>> responseHeaders = null;
-    private String responseBody = null;
+    public int code = 0;
+    public Map<String, List<String>> responseHeaders = null;
+    public String responseBody = null;
 
     public ApiException() {}
 
diff --git a/src/main/java/io/gate/gateapi/GateApiException.java b/src/main/java/io/gate/gateapi/GateApiException.java
index 09b21aa..2f7987d 100644
--- a/src/main/java/io/gate/gateapi/GateApiException.java
+++ b/src/main/java/io/gate/gateapi/GateApiException.java
@@ -8,13 +8,13 @@
 public class GateApiException extends ApiException {
 
     @SerializedName("label")
-    private String errorLabel;
+    public String errorLabel;
 
     @SerializedName("message")
-    private String errorMessage;
+    public String errorMessage;
 
     @SerializedName("detail")
-    private String errorDetail;
+    public String errorDetail;
 
 
     public GateApiException() {
diff --git a/src/main/java/io/gate/gateapi/models/Order.java b/src/main/java/io/gate/gateapi/models/Order.java
index 8a20e29..5288483 100644
--- a/src/main/java/io/gate/gateapi/models/Order.java
+++ b/src/main/java/io/gate/gateapi/models/Order.java
@@ -25,27 +25,27 @@
 public class Order {
     public static final String SERIALIZED_NAME_ID = "id";
     @SerializedName(SERIALIZED_NAME_ID)
-    private String id;
+    public String id;
 
     public static final String SERIALIZED_NAME_TEXT = "text";
     @SerializedName(SERIALIZED_NAME_TEXT)
-    private String text;
+    public String text;
 
     public static final String SERIALIZED_NAME_CREATE_TIME = "create_time";
     @SerializedName(SERIALIZED_NAME_CREATE_TIME)
-    private String createTime;
+    public String createTime;
 
     public static final String SERIALIZED_NAME_UPDATE_TIME = "update_time";
     @SerializedName(SERIALIZED_NAME_UPDATE_TIME)
-    private String updateTime;
+    public String updateTime;
 
     public static final String SERIALIZED_NAME_CREATE_TIME_MS = "create_time_ms";
     @SerializedName(SERIALIZED_NAME_CREATE_TIME_MS)
-    private Long createTimeMs;
+    public Long createTimeMs;
 
     public static final String SERIALIZED_NAME_UPDATE_TIME_MS = "update_time_ms";
     @SerializedName(SERIALIZED_NAME_UPDATE_TIME_MS)
-    private Long updateTimeMs;
+    public Long updateTimeMs;
 
     /**
      * Order status  - &#x60;open&#x60;: to be filled - &#x60;closed&#x60;: filled - &#x60;cancelled&#x60;: cancelled
@@ -98,11 +98,11 @@ public StatusEnum read(final JsonReader jsonReader) throws IOException {
 
     public static final String SERIALIZED_NAME_STATUS = "status";
     @SerializedName(SERIALIZED_NAME_STATUS)
-    private StatusEnum status;
+    public StatusEnum status;
 
     public static final String SERIALIZED_NAME_CURRENCY_PAIR = "currency_pair";
     @SerializedName(SERIALIZED_NAME_CURRENCY_PAIR)
-    private String currencyPair;
+    public String currencyPair;
 
     /**
      * Order type. limit - limit order
@@ -151,7 +151,7 @@ public TypeEnum read(final JsonReader jsonReader) throws IOException {
 
     public static final String SERIALIZED_NAME_TYPE = "type";
     @SerializedName(SERIALIZED_NAME_TYPE)
-    private TypeEnum type = TypeEnum.LIMIT;
+    public TypeEnum type = TypeEnum.LIMIT;
 
     /**
      * Account type. spot - use spot account; margin - use margin account; cross_margin - use cross margin account
@@ -204,7 +204,7 @@ public AccountEnum read(final JsonReader jsonReader) throws IOException {
 
     public static final String SERIALIZED_NAME_ACCOUNT = "account";
     @SerializedName(SERIALIZED_NAME_ACCOUNT)
-    private AccountEnum account = AccountEnum.SPOT;
+    public AccountEnum account = AccountEnum.SPOT;
 
     /**
      * Order side
@@ -255,15 +255,15 @@ public SideEnum read(final JsonReader jsonReader) throws IOException {
 
     public static final String SERIALIZED_NAME_SIDE = "side";
     @SerializedName(SERIALIZED_NAME_SIDE)
-    private SideEnum side;
+    public SideEnum side;
 
     public static final String SERIALIZED_NAME_AMOUNT = "amount";
     @SerializedName(SERIALIZED_NAME_AMOUNT)
-    private String amount;
+    public String amount;
 
     public static final String SERIALIZED_NAME_PRICE = "price";
     @SerializedName(SERIALIZED_NAME_PRICE)
-    private String price;
+    public String price;
 
     /**
      * Time in force  - gtc: GoodTillCancelled - ioc: ImmediateOrCancelled, taker only - poc: PendingOrCancelled, makes a post-only order that always enjoys a maker fee - fok: FillOrKill, fill either completely or none
@@ -318,59 +318,59 @@ public TimeInForceEnum read(final JsonReader jsonReader) throws IOException {
 
     public static final String SERIALIZED_NAME_TIME_IN_FORCE = "time_in_force";
     @SerializedName(SERIALIZED_NAME_TIME_IN_FORCE)
-    private TimeInForceEnum timeInForce = TimeInForceEnum.GTC;
+    public TimeInForceEnum timeInForce = TimeInForceEnum.GTC;
 
     public static final String SERIALIZED_NAME_ICEBERG = "iceberg";
     @SerializedName(SERIALIZED_NAME_ICEBERG)
-    private String iceberg;
+    public String iceberg;
 
     public static final String SERIALIZED_NAME_AUTO_BORROW = "auto_borrow";
     @SerializedName(SERIALIZED_NAME_AUTO_BORROW)
-    private Boolean autoBorrow;
+    public Boolean autoBorrow;
 
     public static final String SERIALIZED_NAME_AUTO_REPAY = "auto_repay";
     @SerializedName(SERIALIZED_NAME_AUTO_REPAY)
-    private Boolean autoRepay;
+    public Boolean autoRepay;
 
     public static final String SERIALIZED_NAME_LEFT = "left";
     @SerializedName(SERIALIZED_NAME_LEFT)
-    private String left;
+    public String left;
 
     public static final String SERIALIZED_NAME_FILL_PRICE = "fill_price";
     @SerializedName(SERIALIZED_NAME_FILL_PRICE)
-    private String fillPrice;
+    public String fillPrice;
 
     public static final String SERIALIZED_NAME_FILLED_TOTAL = "filled_total";
     @SerializedName(SERIALIZED_NAME_FILLED_TOTAL)
-    private String filledTotal;
+    public String filledTotal;
 
     public static final String SERIALIZED_NAME_FEE = "fee";
     @SerializedName(SERIALIZED_NAME_FEE)
-    private String fee;
+    public String fee;
 
     public static final String SERIALIZED_NAME_FEE_CURRENCY = "fee_currency";
     @SerializedName(SERIALIZED_NAME_FEE_CURRENCY)
-    private String feeCurrency;
+    public String feeCurrency;
 
     public static final String SERIALIZED_NAME_POINT_FEE = "point_fee";
     @SerializedName(SERIALIZED_NAME_POINT_FEE)
-    private String pointFee;
+    public String pointFee;
 
     public static final String SERIALIZED_NAME_GT_FEE = "gt_fee";
     @SerializedName(SERIALIZED_NAME_GT_FEE)
-    private String gtFee;
+    public String gtFee;
 
     public static final String SERIALIZED_NAME_GT_DISCOUNT = "gt_discount";
     @SerializedName(SERIALIZED_NAME_GT_DISCOUNT)
-    private Boolean gtDiscount;
+    public Boolean gtDiscount;
 
     public static final String SERIALIZED_NAME_REBATED_FEE = "rebated_fee";
     @SerializedName(SERIALIZED_NAME_REBATED_FEE)
-    private String rebatedFee;
+    public String rebatedFee;
 
     public static final String SERIALIZED_NAME_REBATED_FEE_CURRENCY = "rebated_fee_currency";
     @SerializedName(SERIALIZED_NAME_REBATED_FEE_CURRENCY)
-    private String rebatedFeeCurrency;
+    public String rebatedFeeCurrency;
 
 
      /**