diff --git a/README.md b/README.md
index 3694ff4..d6db7ab 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,6 @@
 # VIshop-plugin
-Plugin łączący serwer Minecraft z itemshopem stworzonym na [VIshop.pl](https://vishop.pl/)
+Plugin łączący serwer Minecraft z itemshopem stworzonym na [VIshop.pl](https://vishop.pl/)  
+Wspierane (przetestowane przez autorów) wersje Minecrafta — od 1.8 do 1.19.3
 
 Plugin przeznaczony dla platform:
 - pochodnych Bukkita (Spigot, Paper, itp.)
diff --git a/build.gradle b/build.gradle
index 7a37878..21900a5 100644
--- a/build.gradle
+++ b/build.gradle
@@ -8,7 +8,7 @@ allprojects {
     apply plugin: 'com.github.johnrengelman.shadow'
 
     group = 'pl.vishop.plugin'
-    version = '2.2'
+    version = '2.3'
 
     sourceCompatibility = JavaVersion.VERSION_1_8
     targetCompatibility = JavaVersion.VERSION_1_8
diff --git a/bukkit/src/main/java/pl/vishop/plugin/bukkit/BukkitConfigLoader.java b/bukkit/src/main/java/pl/vishop/plugin/bukkit/BukkitConfigLoader.java
new file mode 100644
index 0000000..81ef6e3
--- /dev/null
+++ b/bukkit/src/main/java/pl/vishop/plugin/bukkit/BukkitConfigLoader.java
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2022 VIshop-plugin Contributors
+ * https://github.com/ivall/VIshop-plugin/graphs/contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package pl.vishop.plugin.bukkit;
+
+import org.bukkit.configuration.ConfigurationSection;
+import pl.vishop.plugin.config.ConfigLoader;
+
+public class BukkitConfigLoader implements ConfigLoader {
+
+    private final ConfigurationSection configFile;
+
+    public BukkitConfigLoader(final ConfigurationSection configFile) {
+        this.configFile = configFile;
+    }
+
+    @Override
+    public boolean getBoolean(final String key) {
+        return this.configFile.getBoolean(key);
+    }
+
+    @Override
+    public String getString(final String key) {
+        return this.configFile.getString(key);
+    }
+
+}
diff --git a/bukkit/src/main/java/pl/vishop/plugin/bukkit/BukkitOrderTask.java b/bukkit/src/main/java/pl/vishop/plugin/bukkit/BukkitOrderTask.java
index e1cda37..229928e 100644
--- a/bukkit/src/main/java/pl/vishop/plugin/bukkit/BukkitOrderTask.java
+++ b/bukkit/src/main/java/pl/vishop/plugin/bukkit/BukkitOrderTask.java
@@ -21,27 +21,18 @@
 import org.bukkit.Bukkit;
 import org.bukkit.plugin.Plugin;
 import pl.vishop.plugin.config.Config;
+import pl.vishop.plugin.logger.ViShopLogger;
 import pl.vishop.plugin.order.OrderTask;
 
 public class BukkitOrderTask extends OrderTask {
 
     private final Plugin plugin;
 
-    public BukkitOrderTask(final Plugin plugin, final OkHttpClient httpClient, final Config config) {
-        super(httpClient, config);
+    public BukkitOrderTask(final Plugin plugin, final OkHttpClient httpClient, final Config config, final ViShopLogger logger) {
+        super(httpClient, config, logger);
         this.plugin = plugin;
     }
 
-    @Override
-    public void logInfo(final String message) {
-        this.plugin.getLogger().info(message);
-    }
-
-    @Override
-    public void logError(final String message) {
-        this.plugin.getLogger().severe(message);
-    }
-
     @Override
     public boolean isPlayerOnline(final String playerName) {
         return Bukkit.getPlayerExact(playerName) != null;
diff --git a/bukkit/src/main/java/pl/vishop/plugin/bukkit/BukkitViShopLogger.java b/bukkit/src/main/java/pl/vishop/plugin/bukkit/BukkitViShopLogger.java
new file mode 100644
index 0000000..76c677f
--- /dev/null
+++ b/bukkit/src/main/java/pl/vishop/plugin/bukkit/BukkitViShopLogger.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2022 VIshop-plugin Contributors
+ * https://github.com/ivall/VIshop-plugin/graphs/contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package pl.vishop.plugin.bukkit;
+
+import java.util.logging.Logger;
+import pl.vishop.plugin.logger.ViShopLogger;
+
+public class BukkitViShopLogger implements ViShopLogger {
+
+    private final Logger logger;
+
+    public BukkitViShopLogger(final Logger logger) {
+        this.logger = logger;
+    }
+
+    @Override
+    public void info(final String message) {
+        this.logger.info(message);
+    }
+
+    @Override
+    public void error(final String message) {
+        this.logger.severe(message);
+    }
+
+    @Override
+    public void debug(final String message) {
+        this.logger.info(String.format("[DEBUG] %s", message));
+    }
+
+}
diff --git a/bukkit/src/main/java/pl/vishop/plugin/bukkit/BukkitViShopPlugin.java b/bukkit/src/main/java/pl/vishop/plugin/bukkit/BukkitViShopPlugin.java
index d730d99..605b0f3 100644
--- a/bukkit/src/main/java/pl/vishop/plugin/bukkit/BukkitViShopPlugin.java
+++ b/bukkit/src/main/java/pl/vishop/plugin/bukkit/BukkitViShopPlugin.java
@@ -19,10 +19,10 @@
 
 import okhttp3.OkHttpClient;
 import org.bukkit.Bukkit;
-import org.bukkit.configuration.file.FileConfiguration;
 import org.bukkit.plugin.java.JavaPlugin;
 import pl.vishop.plugin.config.Config;
 import pl.vishop.plugin.config.EmptyConfigFieldException;
+import pl.vishop.plugin.logger.ViShopLogger;
 
 public final class BukkitViShopPlugin extends JavaPlugin {
 
@@ -32,22 +32,20 @@ public final class BukkitViShopPlugin extends JavaPlugin {
     public void onEnable() {
         this.saveDefaultConfig();
 
-        final Config config;
         try {
-            final FileConfiguration cfgFile = this.getConfig();
-            config = new Config(cfgFile.getString("apiKey"), cfgFile.getString("shopId"), cfgFile.getString("serverId"));
+            final Config config = new Config(new BukkitConfigLoader(this.getConfig()));
+            final ViShopLogger logger = new BukkitViShopLogger(this.getLogger());
+
+            Bukkit.getScheduler().runTaskTimerAsynchronously(
+                    this,
+                    new BukkitOrderTask(this, this.httpClient, config, logger),
+                    0L,
+                    config.taskInterval.getSeconds() * 20L
+            );
         } catch (final EmptyConfigFieldException exception) {
             this.getLogger().severe(exception.getMessage());
             Bukkit.getPluginManager().disablePlugin(this);
-            return;
         }
-
-        Bukkit.getScheduler().runTaskTimerAsynchronously(
-                this,
-                new BukkitOrderTask(this, this.httpClient, config),
-                0L,
-                config.taskInterval.getSeconds() * 20L
-        );
     }
 
     @Override
diff --git a/bukkit/src/main/resources/plugin.yml b/bukkit/src/main/resources/plugin.yml
index ae3d14c..70362be 100644
--- a/bukkit/src/main/resources/plugin.yml
+++ b/bukkit/src/main/resources/plugin.yml
@@ -1,5 +1,5 @@
 name: ViShopPlugin
-version: '2.2'
+version: '2.3'
 api-version: 1.13
 main: pl.vishop.plugin.bukkit.BukkitViShopPlugin
 description: "Wykonuj zamówienia ze swojego sklepu ViShop"
diff --git a/bungee/src/main/java/pl/vishop/plugin/bungee/BungeeConfigLoader.java b/bungee/src/main/java/pl/vishop/plugin/bungee/BungeeConfigLoader.java
new file mode 100644
index 0000000..cbb5981
--- /dev/null
+++ b/bungee/src/main/java/pl/vishop/plugin/bungee/BungeeConfigLoader.java
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2022 VIshop-plugin Contributors
+ * https://github.com/ivall/VIshop-plugin/graphs/contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package pl.vishop.plugin.bungee;
+
+import net.md_5.bungee.config.Configuration;
+import pl.vishop.plugin.config.ConfigLoader;
+
+public class BungeeConfigLoader implements ConfigLoader {
+
+    private final Configuration configFile;
+
+    public BungeeConfigLoader(final Configuration configFile) {
+        this.configFile = configFile;
+    }
+
+    @Override
+    public boolean getBoolean(final String key) {
+        return this.configFile.getBoolean(key);
+    }
+
+    @Override
+    public String getString(final String key) {
+        return this.configFile.getString(key);
+    }
+
+}
diff --git a/bungee/src/main/java/pl/vishop/plugin/bungee/BungeeOrderTask.java b/bungee/src/main/java/pl/vishop/plugin/bungee/BungeeOrderTask.java
index 745366a..23e258e 100644
--- a/bungee/src/main/java/pl/vishop/plugin/bungee/BungeeOrderTask.java
+++ b/bungee/src/main/java/pl/vishop/plugin/bungee/BungeeOrderTask.java
@@ -17,32 +17,19 @@
 
 package pl.vishop.plugin.bungee;
 
-import java.util.logging.Logger;
 import net.md_5.bungee.api.ProxyServer;
-import net.md_5.bungee.api.plugin.Plugin;
 import okhttp3.OkHttpClient;
 import pl.vishop.plugin.config.Config;
+import pl.vishop.plugin.logger.ViShopLogger;
 import pl.vishop.plugin.order.OrderTask;
 
 public class BungeeOrderTask extends OrderTask {
 
     private final ProxyServer proxy;
-    private final Logger logger;
 
-    public BungeeOrderTask(final Plugin plugin, final OkHttpClient httpClient, final Config config) {
-        super(httpClient, config);
-        this.proxy = plugin.getProxy();
-        this.logger = plugin.getLogger();
-    }
-
-    @Override
-    public void logInfo(final String message) {
-        this.logger.info(message);
-    }
-
-    @Override
-    public void logError(final String message) {
-        this.logger.severe(message);
+    public BungeeOrderTask(final OkHttpClient httpClient, final Config config, final ViShopLogger logger) {
+        super(httpClient, config, logger);
+        this.proxy = ProxyServer.getInstance();
     }
 
     @Override
diff --git a/bungee/src/main/java/pl/vishop/plugin/bungee/BungeeViShopLogger.java b/bungee/src/main/java/pl/vishop/plugin/bungee/BungeeViShopLogger.java
new file mode 100644
index 0000000..a13cbfc
--- /dev/null
+++ b/bungee/src/main/java/pl/vishop/plugin/bungee/BungeeViShopLogger.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2022 VIshop-plugin Contributors
+ * https://github.com/ivall/VIshop-plugin/graphs/contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package pl.vishop.plugin.bungee;
+
+import java.util.logging.Logger;
+import pl.vishop.plugin.logger.ViShopLogger;
+
+public class BungeeViShopLogger implements ViShopLogger {
+
+    private final Logger logger;
+
+    public BungeeViShopLogger(final Logger logger) {
+        this.logger = logger;
+    }
+
+    @Override
+    public void info(final String message) {
+        this.logger.info(message);
+    }
+
+    @Override
+    public void error(final String message) {
+        this.logger.severe(message);
+    }
+
+    @Override
+    public void debug(final String message) {
+        this.logger.info(String.format("[DEBUG] %s", message));
+    }
+
+}
diff --git a/bungee/src/main/java/pl/vishop/plugin/bungee/BungeeViShopPlugin.java b/bungee/src/main/java/pl/vishop/plugin/bungee/BungeeViShopPlugin.java
index 2afe6ff..0db4c74 100644
--- a/bungee/src/main/java/pl/vishop/plugin/bungee/BungeeViShopPlugin.java
+++ b/bungee/src/main/java/pl/vishop/plugin/bungee/BungeeViShopPlugin.java
@@ -23,6 +23,7 @@
 import okhttp3.OkHttpClient;
 import pl.vishop.plugin.config.Config;
 import pl.vishop.plugin.config.EmptyConfigFieldException;
+import pl.vishop.plugin.logger.ViShopLogger;
 import pl.vishop.plugin.resource.ResourceLoader;
 import pl.vishop.plugin.resource.ResourceLoaderException;
 
@@ -39,23 +40,21 @@ public void onEnable() {
                 return;
             }
 
-            final Configuration cfgFile = resourceLoader.load("config.yml");
-            final Config config;
-
             try {
-                config = new Config(cfgFile.getString("apiKey"), cfgFile.getString("shopId"), cfgFile.getString("serverId"));
+                final Configuration cfgFile = resourceLoader.load("config.yml");
+                final Config config = new Config(new BungeeConfigLoader(cfgFile));
+                final ViShopLogger logger = new BungeeViShopLogger(this.getLogger());
+
+                this.getProxy().getScheduler().schedule(
+                        this,
+                        new BungeeOrderTask(this.httpClient, config, logger),
+                        0L,
+                        config.taskInterval.getSeconds(),
+                        TimeUnit.SECONDS
+                );
             } catch (final EmptyConfigFieldException exception) {
                 this.getLogger().severe(exception.getMessage());
-                return;
             }
-
-            this.getProxy().getScheduler().schedule(
-                    this,
-                    new BungeeOrderTask(this, this.httpClient, config),
-                    0L,
-                    config.taskInterval.getSeconds(),
-                    TimeUnit.SECONDS
-            );
         } catch (final ResourceLoaderException exception) {
             this.getLogger().severe(exception.getReason().getMessage("config.yml"));
             this.getLogger().severe("Przyczyna: " + exception.getCause().getMessage());
diff --git a/bungee/src/main/resources/bungee.yml b/bungee/src/main/resources/bungee.yml
index f9b48b1..b4755b7 100644
--- a/bungee/src/main/resources/bungee.yml
+++ b/bungee/src/main/resources/bungee.yml
@@ -1,5 +1,5 @@
 name: ViShopPlugin
-version: '2.2'
+version: '2.3'
 api-version: 1.13
 main: pl.vishop.plugin.bungee.BungeeViShopPlugin
 description: "Wykonuj zamówienia ze swojego sklepu ViShop"
diff --git a/common/src/main/java/pl/vishop/plugin/config/Config.java b/common/src/main/java/pl/vishop/plugin/config/Config.java
index e56fc09..7d3a1e6 100644
--- a/common/src/main/java/pl/vishop/plugin/config/Config.java
+++ b/common/src/main/java/pl/vishop/plugin/config/Config.java
@@ -25,13 +25,15 @@ public class Config {
     public final String apiKey;
     public final String shopId;
     public final String serverId;
+    public final boolean debug;
 
     public final Duration taskInterval = Duration.of(30, ChronoUnit.SECONDS);
 
-    public Config(final String apiKey, final String shopId, final String serverId) throws EmptyConfigFieldException {
-        this.apiKey = apiKey;
-        this.shopId = shopId;
-        this.serverId = serverId;
+    public Config(final ConfigLoader loader) throws EmptyConfigFieldException {
+        this.apiKey = loader.getString("apiKey");
+        this.shopId = loader.getString("shopId");
+        this.serverId = loader.getString("serverId");
+        this.debug = loader.getBoolean("debug");
         this.checkValues();
     }
 
diff --git a/common/src/main/java/pl/vishop/plugin/config/ConfigLoader.java b/common/src/main/java/pl/vishop/plugin/config/ConfigLoader.java
new file mode 100644
index 0000000..35b0891
--- /dev/null
+++ b/common/src/main/java/pl/vishop/plugin/config/ConfigLoader.java
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2022 VIshop-plugin Contributors
+ * https://github.com/ivall/VIshop-plugin/graphs/contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package pl.vishop.plugin.config;
+
+public interface ConfigLoader {
+
+    boolean getBoolean(final String key);
+
+    String getString(final String key);
+
+}
diff --git a/common/src/main/java/pl/vishop/plugin/logger/ViShopLogger.java b/common/src/main/java/pl/vishop/plugin/logger/ViShopLogger.java
new file mode 100644
index 0000000..8535c6b
--- /dev/null
+++ b/common/src/main/java/pl/vishop/plugin/logger/ViShopLogger.java
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 VIshop-plugin Contributors
+ * https://github.com/ivall/VIshop-plugin/graphs/contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package pl.vishop.plugin.logger;
+
+public interface ViShopLogger {
+
+    void info(final String message);
+
+    void error(final String message);
+
+    void debug(final String message);
+
+}
diff --git a/common/src/main/java/pl/vishop/plugin/order/OrderTask.java b/common/src/main/java/pl/vishop/plugin/order/OrderTask.java
index 24ec53f..bd1a921 100644
--- a/common/src/main/java/pl/vishop/plugin/order/OrderTask.java
+++ b/common/src/main/java/pl/vishop/plugin/order/OrderTask.java
@@ -20,6 +20,7 @@
 import java.util.Arrays;
 import okhttp3.OkHttpClient;
 import pl.vishop.plugin.config.Config;
+import pl.vishop.plugin.logger.ViShopLogger;
 import pl.vishop.plugin.request.ConfirmOrderRequest;
 import pl.vishop.plugin.request.PendingOrderRequest;
 import pl.vishop.plugin.request.RequestException;
@@ -28,16 +29,14 @@ public abstract class OrderTask implements Runnable {
 
     private final PendingOrderRequest pendingOrderRequest;
     private final ConfirmOrderRequest confirmOrderRequest;
+    private final ViShopLogger logger;
 
-    protected OrderTask(final OkHttpClient httpClient, final Config config) {
-        this.pendingOrderRequest = new PendingOrderRequest(httpClient, config);
-        this.confirmOrderRequest = new ConfirmOrderRequest(httpClient, config);
+    protected OrderTask(final OkHttpClient httpClient, final Config config, final ViShopLogger logger) {
+        this.pendingOrderRequest = new PendingOrderRequest(httpClient, config, logger);
+        this.confirmOrderRequest = new ConfirmOrderRequest(httpClient, config, logger);
+        this.logger = logger;
     }
 
-    public abstract void logInfo(final String message);
-
-    public abstract void logError(final String message);
-
     public abstract boolean isPlayerOnline(final String playerName);
 
     public abstract void executeCommand(final String command);
@@ -47,8 +46,8 @@ public void run() {
         try {
             Arrays.stream(this.pendingOrderRequest.get()).forEach(this::processOrder);
         } catch (final RequestException exception) {
-            this.logError("Nieudane pobranie zamówień z ViShop");
-            this.logError("Przyczyna: " + exception.getMessage());
+            this.logger.error("Nieudane pobranie zamówień z ViShop");
+            this.logger.error("Przyczyna: " + exception.getMessage());
         }
     }
 
@@ -60,12 +59,12 @@ private void processOrder(final Order order) {
         try {
             this.confirmOrderRequest.put(order);
             order.getCommands().forEach(command -> {
-                this.logInfo(String.format("Wykonywanie komendy dla zamówienia %s: %s", order.getId(), command));
+                this.logger.info(String.format("Wykonywanie komendy dla zamówienia %s: %s", order.getId(), command));
                 this.executeCommand(command);
             });
         } catch (final RequestException exception) {
-            this.logError(String.format("Nieudane potwierdzenie zamówienia %s w ViShop", order.getId()));
-            this.logError("Przyczyna: " + exception.getMessage());
+            this.logger.error(String.format("Nieudane potwierdzenie zamówienia %s w ViShop", order.getId()));
+            this.logger.error("Przyczyna: " + exception.getMessage());
         }
     }
 
diff --git a/common/src/main/java/pl/vishop/plugin/request/ConfirmOrderRequest.java b/common/src/main/java/pl/vishop/plugin/request/ConfirmOrderRequest.java
index 18d05da..335506f 100644
--- a/common/src/main/java/pl/vishop/plugin/request/ConfirmOrderRequest.java
+++ b/common/src/main/java/pl/vishop/plugin/request/ConfirmOrderRequest.java
@@ -17,13 +17,14 @@
 
 package pl.vishop.plugin.request;
 
-import java.io.IOException;
+import okhttp3.HttpUrl;
 import okhttp3.MediaType;
 import okhttp3.OkHttpClient;
 import okhttp3.Request;
 import okhttp3.RequestBody;
 import okhttp3.Response;
 import pl.vishop.plugin.config.Config;
+import pl.vishop.plugin.logger.ViShopLogger;
 import pl.vishop.plugin.order.Order;
 
 public final class ConfirmOrderRequest extends ViShopRequest {
@@ -33,16 +34,28 @@ public final class ConfirmOrderRequest extends ViShopRequest {
 
     private final OkHttpClient httpClient;
     private final Config config;
+    private final ViShopLogger logger;
 
-    public ConfirmOrderRequest(final OkHttpClient httpClient, final Config config) {
+    public ConfirmOrderRequest(final OkHttpClient httpClient, final Config config, final ViShopLogger logger) {
         this.httpClient = httpClient;
         this.config = config;
+        this.logger = logger;
     }
 
     public void put(final Order order) throws RequestException {
         final Request request = this.preparePutRequest(this.getRequestUrl(order), this.config.apiKey, REQUEST_BODY);
 
+        if (this.config.debug) {
+            this.logger.debug(String.format("Sending PUT request to url: %s", request.url()));
+            this.logger.debug(String.format("Attaching API key: %s", this.config.apiKey));
+        }
+
         try (final Response response = this.httpClient.newCall(request).execute()) {
+            final String responseBody = response.body() != null ? response.body().string() : null;
+            if (this.config.debug) {
+                this.logger.debug(String.format("Response for PUT request: %s", responseBody));
+            }
+
             if (!response.isSuccessful()) {
                 throw new RequestException("Otrzymany kod odpowiedzi " + response.code());
             }
@@ -51,8 +64,9 @@ public void put(final Order order) throws RequestException {
         }
     }
 
-    private String getRequestUrl(final Order order) {
-        return String.format(BACKEND_ADDRESS, this.config.shopId, this.config.serverId, order.getId() + "/");
+    private HttpUrl getRequestUrl(final Order order) {
+        final String urlString = String.format(BACKEND_ADDRESS, this.config.shopId, this.config.serverId, order.getId() + "/");
+        return HttpUrl.parse(urlString);
     }
 
 }
diff --git a/common/src/main/java/pl/vishop/plugin/request/PendingOrderRequest.java b/common/src/main/java/pl/vishop/plugin/request/PendingOrderRequest.java
index 4205bd0..c12aa9a 100644
--- a/common/src/main/java/pl/vishop/plugin/request/PendingOrderRequest.java
+++ b/common/src/main/java/pl/vishop/plugin/request/PendingOrderRequest.java
@@ -22,11 +22,12 @@
 import com.google.gson.GsonBuilder;
 import com.google.gson.JsonSyntaxException;
 import java.io.IOException;
+import okhttp3.HttpUrl;
 import okhttp3.OkHttpClient;
 import okhttp3.Request;
 import okhttp3.Response;
-import okhttp3.ResponseBody;
 import pl.vishop.plugin.config.Config;
+import pl.vishop.plugin.logger.ViShopLogger;
 import pl.vishop.plugin.order.Order;
 
 public final class PendingOrderRequest extends ViShopRequest {
@@ -34,30 +35,39 @@ public final class PendingOrderRequest extends ViShopRequest {
     private final Gson gson;
     private final OkHttpClient httpClient;
     private final Config config;
-    private final String requestUrl;
+    private final ViShopLogger logger;
 
-    public PendingOrderRequest(final OkHttpClient httpClient, final Config config) {
+    public PendingOrderRequest(final OkHttpClient httpClient, final Config config, final ViShopLogger logger) {
         this.gson = new GsonBuilder().setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES).create();
         this.httpClient = httpClient;
         this.config = config;
-        this.requestUrl = String.format(BACKEND_ADDRESS, config.shopId, config.serverId, "?status=executing");
+        this.logger = logger;
     }
 
     public Order[] get() throws RequestException {
-        final Request request = this.prepareGetRequest(this.requestUrl, this.config.apiKey);
+        final Request request = this.prepareGetRequest(this.getRequestUrl(), this.config.apiKey);
+
+        if (this.config.debug) {
+            this.logger.debug(String.format("Sending GET request to url: %s", request.url()));
+            this.logger.debug(String.format("Attaching API key: %s", this.config.apiKey));
+        }
 
         try (final Response response = this.httpClient.newCall(request).execute()) {
+            final String responseBody = response.body() != null ? response.body().string() : null;
+            if (this.config.debug) {
+                this.logger.debug(String.format("Response for GET request: %s", responseBody));
+            }
+
             if (!response.isSuccessful()) {
                 throw new RequestException("Otrzymany kod odpowiedzi " + response.code());
             }
 
-            final ResponseBody responseBody = response.body();
             if (responseBody == null) {
                 throw new RequestException("Puste body odpowiedzi");
             }
 
             try {
-                return this.gson.fromJson(responseBody.string(), Order[].class);
+                return this.gson.fromJson(responseBody, Order[].class);
             } catch (final JsonSyntaxException exception) {
                 throw new RequestException(exception.getMessage());
             }
@@ -66,4 +76,9 @@ public Order[] get() throws RequestException {
         }
     }
 
+    private HttpUrl getRequestUrl() {
+        final String urlString = String.format(BACKEND_ADDRESS, this.config.shopId, this.config.serverId, "?status=executing");
+        return HttpUrl.parse(urlString);
+    }
+
 }
diff --git a/common/src/main/java/pl/vishop/plugin/request/ViShopRequest.java b/common/src/main/java/pl/vishop/plugin/request/ViShopRequest.java
index 3c2e82a..c99857b 100644
--- a/common/src/main/java/pl/vishop/plugin/request/ViShopRequest.java
+++ b/common/src/main/java/pl/vishop/plugin/request/ViShopRequest.java
@@ -17,6 +17,7 @@
 
 package pl.vishop.plugin.request;
 
+import okhttp3.HttpUrl;
 import okhttp3.Request;
 import okhttp3.RequestBody;
 
@@ -24,18 +25,18 @@ public class ViShopRequest {
 
     public static final String BACKEND_ADDRESS = "https://dev123.vishop.pl/panel/shops/%1$s/servers/%2$s/payments/%3$s";
 
-    protected Request prepareGetRequest(final String url, final String apiKey) {
+    protected Request prepareGetRequest(final HttpUrl url, final String apiKey) {
         return this.prepareRequestBuilder(url, apiKey).build();
     }
 
-    protected Request preparePutRequest(final String url, final String apiKey, final RequestBody body) {
+    protected Request preparePutRequest(final HttpUrl url, final String apiKey, final RequestBody body) {
         return this.prepareRequestBuilder(url, apiKey).put(body).build();
     }
 
-    private Request.Builder prepareRequestBuilder(final String url, final String apiKey) {
+    private Request.Builder prepareRequestBuilder(final HttpUrl url, final String apiKey) {
         return new Request.Builder()
                 .url(url)
-                .header("User-Agent", "ViShopPlugin/2.2")
+                .header("User-Agent", "ViShopPlugin/2.3")
                 .header("Authorization", apiKey);
     }
 
diff --git a/common/src/main/resources/config.yml b/common/src/main/resources/config.yml
index 9a92c01..e9a99f0 100644
--- a/common/src/main/resources/config.yml
+++ b/common/src/main/resources/config.yml
@@ -9,3 +9,13 @@ shopId: ""
 # ID serwera w sklepie
 # Znajdziesz je w panelu sklepu, w zakładce Serwery
 serverId: ""
+
+# Czy włączyć logi debug?
+#
+# UWAGA — logi debug powinny być włączone tylko w przypadku problemów z pluginem
+# Po ich ustąpieniu — powinny znowu zostać wyłączone, a stare pliki logów skasowane
+# Uruchomienie tych logów będzie pokazywać w konsoli wrażliwe informacje:
+#  - klucz API
+#  - adresy, z którymi łączy się plugin
+#  - dane wysyłane przez ViShop
+debug: false
diff --git a/velocity/src/main/java/pl/vishop/plugin/velocity/VelocityConfigLoader.java b/velocity/src/main/java/pl/vishop/plugin/velocity/VelocityConfigLoader.java
new file mode 100644
index 0000000..c8eab78
--- /dev/null
+++ b/velocity/src/main/java/pl/vishop/plugin/velocity/VelocityConfigLoader.java
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2022 VIshop-plugin Contributors
+ * https://github.com/ivall/VIshop-plugin/graphs/contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package pl.vishop.plugin.velocity;
+
+import ninja.leaping.configurate.ConfigurationNode;
+import pl.vishop.plugin.config.ConfigLoader;
+
+public class VelocityConfigLoader implements ConfigLoader {
+
+    private final ConfigurationNode configFile;
+
+    public VelocityConfigLoader(final ConfigurationNode configFile) {
+        this.configFile = configFile;
+    }
+
+    @Override
+    public boolean getBoolean(final String key) {
+        return this.configFile.getNode(key).getBoolean();
+    }
+
+    @Override
+    public String getString(final String key) {
+        return this.configFile.getNode(key).getString();
+    }
+
+}
diff --git a/velocity/src/main/java/pl/vishop/plugin/velocity/VelocityOrderTask.java b/velocity/src/main/java/pl/vishop/plugin/velocity/VelocityOrderTask.java
index 655d380..a9a29bf 100644
--- a/velocity/src/main/java/pl/vishop/plugin/velocity/VelocityOrderTask.java
+++ b/velocity/src/main/java/pl/vishop/plugin/velocity/VelocityOrderTask.java
@@ -19,29 +19,17 @@
 
 import com.velocitypowered.api.proxy.ProxyServer;
 import okhttp3.OkHttpClient;
-import org.slf4j.Logger;
 import pl.vishop.plugin.config.Config;
+import pl.vishop.plugin.logger.ViShopLogger;
 import pl.vishop.plugin.order.OrderTask;
 
 public class VelocityOrderTask extends OrderTask {
 
     private final ProxyServer proxy;
-    private final Logger logger;
 
-    protected VelocityOrderTask(final ProxyServer proxy, final Logger logger, final OkHttpClient httpClient, final Config config) {
-        super(httpClient, config);
+    protected VelocityOrderTask(final ProxyServer proxy, final OkHttpClient httpClient, final Config config, final ViShopLogger logger) {
+        super(httpClient, config, logger);
         this.proxy = proxy;
-        this.logger = logger;
-    }
-
-    @Override
-    public void logInfo(final String message) {
-        this.logger.info(message);
-    }
-
-    @Override
-    public void logError(final String message) {
-        this.logger.error(message);
     }
 
     @Override
diff --git a/velocity/src/main/java/pl/vishop/plugin/velocity/VelocityViShopLogger.java b/velocity/src/main/java/pl/vishop/plugin/velocity/VelocityViShopLogger.java
new file mode 100644
index 0000000..e25cd62
--- /dev/null
+++ b/velocity/src/main/java/pl/vishop/plugin/velocity/VelocityViShopLogger.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2022 VIshop-plugin Contributors
+ * https://github.com/ivall/VIshop-plugin/graphs/contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package pl.vishop.plugin.velocity;
+
+import org.slf4j.Logger;
+import pl.vishop.plugin.logger.ViShopLogger;
+
+public class VelocityViShopLogger implements ViShopLogger {
+
+    private final Logger logger;
+
+    public VelocityViShopLogger(final Logger logger) {
+        this.logger = logger;
+    }
+
+    @Override
+    public void info(final String message) {
+        this.logger.info(message);
+    }
+
+    @Override
+    public void error(final String message) {
+        this.logger.error(message);
+    }
+
+    @Override
+    public void debug(final String message) {
+        this.logger.info(String.format("[DEBUG] %s", message));
+    }
+
+}
diff --git a/velocity/src/main/java/pl/vishop/plugin/velocity/VelocityViShopPlugin.java b/velocity/src/main/java/pl/vishop/plugin/velocity/VelocityViShopPlugin.java
index daac335..5b7a799 100644
--- a/velocity/src/main/java/pl/vishop/plugin/velocity/VelocityViShopPlugin.java
+++ b/velocity/src/main/java/pl/vishop/plugin/velocity/VelocityViShopPlugin.java
@@ -31,13 +31,14 @@
 import org.slf4j.Logger;
 import pl.vishop.plugin.config.Config;
 import pl.vishop.plugin.config.EmptyConfigFieldException;
+import pl.vishop.plugin.logger.ViShopLogger;
 import pl.vishop.plugin.resource.ResourceLoader;
 import pl.vishop.plugin.resource.ResourceLoaderException;
 
 @Plugin(
         id = "vishop",
         name = "ViShopPlugin",
-        version = "2.2",
+        version = "2.3",
         description = "Wykonuj zamówienia ze swojego sklepu ViShop",
         url = "https://vishop.pl/",
         authors = "VIshop-plugin Contributors"
@@ -67,24 +68,18 @@ public void onProxyInit(final ProxyInitializeEvent event) {
                 return;
             }
 
-            final ConfigurationNode cfgFile = resourceLoader.load("config.yml");
-            final Config config;
-
             try {
-                config = new Config(
-                        cfgFile.getNode("apiKey").getString(),
-                        cfgFile.getNode("shopId").getString(),
-                        cfgFile.getNode("serverId").getString()
-                );
+                final ConfigurationNode cfgFile = resourceLoader.load("config.yml");
+                final Config config = new Config(new VelocityConfigLoader(cfgFile));
+                final ViShopLogger viShopLogger = new VelocityViShopLogger(this.logger);
+
+                this.orderTask = this.proxy.getScheduler()
+                        .buildTask(this, new VelocityOrderTask(this.proxy, this.httpClient, config, viShopLogger))
+                        .repeat(config.taskInterval)
+                        .schedule();
             } catch (final EmptyConfigFieldException exception) {
                 this.logger.error(exception.getMessage());
-                return;
             }
-
-            this.orderTask = this.proxy.getScheduler()
-                    .buildTask(this, new VelocityOrderTask(this.proxy, this.logger, this.httpClient, config))
-                    .repeat(config.taskInterval)
-                    .schedule();
         } catch (final ResourceLoaderException exception) {
             this.logger.error(exception.getReason().getMessage("config.yml"));
             this.logger.error("Przyczyna: " + exception.getCause().getMessage());