diff --git a/pom.xml b/pom.xml
index 99f7439..c594d51 100644
--- a/pom.xml
+++ b/pom.xml
@@ -45,11 +45,13 @@
             <groupId>org.javawebstack</groupId>
             <artifactId>orm</artifactId>
             <version>1.0.2</version>
+            <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.javawebstack</groupId>
             <artifactId>http-server</artifactId>
             <version>1.0.2</version>
+            <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.junit.jupiter</groupId>
diff --git a/src/main/java/org/javawebstack/webutils/middleware/ModelBindCheckMiddleware.java b/src/main/java/org/javawebstack/webutils/middleware/ModelBindCheckMiddleware.java
new file mode 100644
index 0000000..9bd79b3
--- /dev/null
+++ b/src/main/java/org/javawebstack/webutils/middleware/ModelBindCheckMiddleware.java
@@ -0,0 +1,33 @@
+package org.javawebstack.webutils.middleware;
+
+import org.javawebstack.httpserver.Exchange;
+import org.javawebstack.httpserver.handler.RequestHandler;
+
+import java.util.function.BiFunction;
+
+public class ModelBindCheckMiddleware implements RequestHandler {
+
+    private final BiFunction<Exchange, String, Object> handler;
+
+    public ModelBindCheckMiddleware() {
+        this(ModelBindCheckMiddleware::defaultHandler);
+    }
+
+    public ModelBindCheckMiddleware(BiFunction<Exchange, String, Object> handler) {
+        this.handler = handler;
+    }
+
+    public Object handle(Exchange exchange) {
+        for (String key : exchange.getPathVariables().keySet()) {
+            if (exchange.getPathVariables().get(key) == null)
+                return handler.apply(exchange, key);
+        }
+        return null;
+    }
+
+    private static Object defaultHandler(Exchange exchange, String key) {
+        exchange.status(404);
+        return "Not Found";
+    }
+
+}
diff --git a/src/main/java/org/javawebstack/webutils/middlewares/RateLimitMiddleware.java b/src/main/java/org/javawebstack/webutils/middleware/RateLimitMiddleware.java
similarity index 97%
rename from src/main/java/org/javawebstack/webutils/middlewares/RateLimitMiddleware.java
rename to src/main/java/org/javawebstack/webutils/middleware/RateLimitMiddleware.java
index 43afd36..4660b72 100644
--- a/src/main/java/org/javawebstack/webutils/middlewares/RateLimitMiddleware.java
+++ b/src/main/java/org/javawebstack/webutils/middleware/RateLimitMiddleware.java
@@ -1,9 +1,8 @@
-package org.javawebstack.webutils.middlewares;
+package org.javawebstack.webutils.middleware;
 
 import org.javawebstack.httpserver.Exchange;
 import org.javawebstack.httpserver.handler.Middleware;
 
-import java.util.HashMap;
 import java.util.Map;
 import java.util.Timer;
 import java.util.TimerTask;
diff --git a/src/main/java/org/javawebstack/webutils/middleware/SerializedResponseTransformer.java b/src/main/java/org/javawebstack/webutils/middleware/SerializedResponseTransformer.java
deleted file mode 100644
index 1d40d78..0000000
--- a/src/main/java/org/javawebstack/webutils/middleware/SerializedResponseTransformer.java
+++ /dev/null
@@ -1,53 +0,0 @@
-package org.javawebstack.webutils.middleware;
-
-import org.javawebstack.abstractdata.AbstractMapper;
-import org.javawebstack.abstractdata.NamingPolicy;
-import org.javawebstack.httpserver.Exchange;
-import org.javawebstack.httpserver.transformer.response.ResponseTransformer;
-
-public class SerializedResponseTransformer implements ResponseTransformer {
-
-    private final AbstractMapper mapper;
-    private boolean ignoreStrings;
-
-    public SerializedResponseTransformer() {
-        this((new AbstractMapper()).setNamingPolicy(NamingPolicy.SNAKE_CASE));
-    }
-
-    public SerializedResponseTransformer(AbstractMapper mapper) {
-        this.ignoreStrings = false;
-        this.mapper = mapper;
-    }
-
-    public SerializedResponseTransformer ignoreStrings() {
-        this.ignoreStrings = true;
-        return this;
-    }
-
-    public String transform(Exchange exchange, Object object) {
-        if (object instanceof byte[]) {
-            return null;
-        } else {
-            if (this.ignoreStrings && object instanceof String)
-                return null;
-            String accept = exchange.header("Accept");
-
-            if (accept != null) {
-                switch (accept.toLowerCase()) {
-                    case "application/x-yaml":
-                    case "application/yaml":
-                    case "text/yaml":
-                    case "text/x-yaml":
-                        exchange.contentType(accept);
-                        return this.mapper.toAbstract(object).toYaml();
-                    case "application/x-www-form-urlencoded":
-                        exchange.contentType(accept);
-                        return this.mapper.toAbstract(object).toFormDataString();
-                }
-            }
-
-            exchange.contentType("application/json");
-            return this.mapper.toAbstract(object).toJsonString();
-        }
-    }
-}