diff --git a/thunderpay-api/src/main/java/org/thunderpay/billing/ErrorCode.java b/thunderpay-api/src/main/java/org/thunderpay/billing/ErrorCode.java
index da7e9bc..8996ccf 100644
--- a/thunderpay-api/src/main/java/org/thunderpay/billing/ErrorCode.java
+++ b/thunderpay-api/src/main/java/org/thunderpay/billing/ErrorCode.java
@@ -12,6 +12,8 @@
 package org.thunderpay.billing;
 
 public enum ErrorCode {
+
+    __UNKNOWN_EROR_CODE(-1, "Unknown error code");
     private final int code;
     private final String format;
 
@@ -27,4 +29,14 @@ public String getFormat() {
     public int getCode() {
         return code;
     }
+
+    public static ErrorCode fromCode(final int code) {
+        for(final ErrorCode errorCode : ErrorCode.values()) {
+            if (errorCode.getCode() == code) {
+                return errorCode;
+            }
+        }
+
+        return __UNKNOWN_EROR_CODE;
+    }
 }