diff --git a/src/Potter/Request/ParsedBodyInterface.php b/src/Potter/Request/ParsedBodyInterface.php
new file mode 100644
index 0000000..edd08ee
--- /dev/null
+++ b/src/Potter/Request/ParsedBodyInterface.php
@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Potter\Request;
+
+use \Psr\Http\Message\ServerRequestInterface as PsrServerRequestInterface;
+
+interface ParsedBodyInterface 
+{
+    public function getParsedBody();
+    public function withParsedBody($data): PsrServerRequestInterface;
+}
diff --git a/src/Potter/Request/RequestAttributeInterface.php b/src/Potter/Request/RequestAttributeInterface.php
new file mode 100644
index 0000000..794bfb9
--- /dev/null
+++ b/src/Potter/Request/RequestAttributeInterface.php
@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Potter\Request;
+
+use \Psr\Http\Message\ServerRequestInterface as PsrServerRequestInterface;
+
+interface RequestAttributeInterface 
+{
+    public function getAttributes(): array;
+    public function getAttribute(string $name, $default = null);
+    public function withAttribute(string $name, $value): PsrServerRequestInterface;
+    public function withoutAttribute(string $name): PsrServerRequestInterface;
+}
diff --git a/src/Potter/Request/RequestInterface.php b/src/Potter/Request/RequestInterface.php
index 25aca21..af719d0 100644
--- a/src/Potter/Request/RequestInterface.php
+++ b/src/Potter/Request/RequestInterface.php
@@ -5,14 +5,7 @@ declare(strict_types=1);
 namespace Potter\Request;
 
 use \Psr\Http\Message\RequestInterface as PsrRequestInterface;
-use \Psr\Http\Message\UriInterface as PsrUriInterface;
 
-interface RequestInterface extends PsrRequestInterface
-{
-    public function getRequestTarget(): string;
-    public function withRequestTarget(string $requestTarget): PsrRequestInterface;
-    public function getMethod(): string;
-    public function withMethod(string $method): PsrRequestInterface;
-    public function getUri(): PsrUriInterface;
-    public function withUri(PsrUriInterface $uri, bool $preserveHost = false): PsrRequestInterface;
-}
+interface RequestInterface extends PsrRequestInterface,
+    RequestMethodInterface, RequestTargetInterface, RequestUriInterface
+{ }
diff --git a/src/Potter/Request/RequestMethodInterface.php b/src/Potter/Request/RequestMethodInterface.php
new file mode 100644
index 0000000..d130165
--- /dev/null
+++ b/src/Potter/Request/RequestMethodInterface.php
@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Potter\Request;
+
+use \Psr\Http\Message\RequestInterface as PsrRequestInterface;
+
+interface RequestMethodInterface 
+{
+    public function getMethod(): string;
+    public function withMethod(string $method): PsrRequestInterface;
+}
diff --git a/src/Potter/Request/RequestParameterInterface.php b/src/Potter/Request/RequestParameterInterface.php
new file mode 100644
index 0000000..e43ae93
--- /dev/null
+++ b/src/Potter/Request/RequestParameterInterface.php
@@ -0,0 +1,16 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Potter\Request;
+
+use \Psr\Http\Message\ServerRequestInterface as PsrServerRequestInterface;
+
+interface RequestParameterInterface 
+{
+    public function getServerParams(): array;
+    public function getCookieParams(): array;
+    public function withCookieParams(array $cookies): PsrServerRequestInterface;
+    public function getQueryParams(): array;
+    public function withQueryParams(array $query): PsrServerRequestInterface;
+}
diff --git a/src/Potter/Request/RequestTargetInterface.php b/src/Potter/Request/RequestTargetInterface.php
new file mode 100644
index 0000000..405bb60
--- /dev/null
+++ b/src/Potter/Request/RequestTargetInterface.php
@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Potter\Request;
+
+use \Psr\Http\Message\RequestInterface as PsrRequestInterface;
+
+interface RequestTargetInterface 
+{
+    public function getRequestTarget(): string;
+    public function withRequestTarget(string $requestTarget): PsrRequestInterface;
+}
diff --git a/src/Potter/Request/RequestUploadInterface.php b/src/Potter/Request/RequestUploadInterface.php
new file mode 100644
index 0000000..6591ac6
--- /dev/null
+++ b/src/Potter/Request/RequestUploadInterface.php
@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Potter\Request;
+
+use \Psr\Http\Message\ServerRequestInterface as PsrServerRequestInterface;
+
+interface RequestUploadInterface 
+{
+    public function getUploadedFiles(): array;
+    public function withUploadedFiles(array $uploadedFiles): PsrServerRequestInterface;
+}
diff --git a/src/Potter/Request/RequestUriInterface.php b/src/Potter/Request/RequestUriInterface.php
new file mode 100644
index 0000000..9a6500a
--- /dev/null
+++ b/src/Potter/Request/RequestUriInterface.php
@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Potter\Request;
+
+use \Psr\Http\Message\RequestInterface as PsrRequestInterface;
+
+interface RequestUriInterface 
+{
+    public function getUri(): PsrUriInterface;
+    public function withUri(PsrUriInterface $uri, bool $preserveHost = false): PsrRequestInterface;
+}
diff --git a/src/Potter/Request/ServerRequestInterface.php b/src/Potter/Request/ServerRequestInterface.php
new file mode 100644
index 0000000..d94165c
--- /dev/null
+++ b/src/Potter/Request/ServerRequestInterface.php
@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Potter\Request;
+
+use \Psr\Http\Message\ServerRequestInterface as PsrServerRequestInterface;
+
+interface ServerRequestInterface extends PsrServerRequestInterface, 
+    RequestInterface, RequestAttributeInterface, 
+    RequestParameterInterface, RequestUploadInterface,
+    ParsedBodyInterface
+{ }