diff --git a/body-parser/index.d.ts b/body-parser/index.d.ts
index b8a1b0dc86..4627c2c5b3 100644
--- a/body-parser/index.d.ts
+++ b/body-parser/index.d.ts
@@ -1,6 +1,6 @@
 // Type definitions for body-parser
 // Project: http://expressjs.com
-// Definitions by: Santi Albo <https://github.com/santialbo/>, VILIC VANE <https://vilic.info>, Jonathan Häberle <https://github.com/dreampulse/>
+// Definitions by: Santi Albo <https://github.com/santialbo/>, VILIC VANE <https://vilic.info>, Jonathan Häberle <https://github.com/dreampulse/>, Gevik Babakhani <https://github.com/blendsdk/>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
 
@@ -41,7 +41,14 @@ declare function bodyParser(options?: {
 }): express.RequestHandler;
 
 declare namespace bodyParser {
-    export function json(options?: {
+
+    /**
+     * Interface for defining the options for the json() middleware
+     *
+     * @export
+     * @interface JsonOptions
+     */
+    export interface JsonOptions {
         /**
          * if deflated bodies will be inflated. (default: true)
          */
@@ -66,9 +73,15 @@ declare namespace bodyParser {
          * passed to JSON.parse().
          */
         reviver?: (key: string, value: any) => any;
-    }): express.RequestHandler;
+    }
 
-    export function raw(options?: {
+    /**
+     * Interface for defining the options the raw() middleware
+     *
+     * @export
+     * @interface RawOptions
+     */
+    export interface RawOptions {
         /**
          * if deflated bodies will be inflated. (default: true)
          */
@@ -85,9 +98,15 @@ declare namespace bodyParser {
          * function to verify body content, the parsing can be aborted by throwing an error.
          */
         verify?: (req: express.Request, res: express.Response, buf: Buffer, encoding: string) => void;
-    }): express.RequestHandler;
+    }
 
-    export function text(options?: {
+    /**
+     * Interface for defining the options for the text() middleware
+     *
+     * @export
+     * @interface TextOptions
+     */
+    export interface TextOptions {
         /**
          * if deflated bodies will be inflated. (default: true)
          */
@@ -108,9 +127,15 @@ declare namespace bodyParser {
          * the default charset to parse as, if not specified in content-type. (default: 'utf-8')
          */
         defaultCharset?: string;
-    }): express.RequestHandler;
+    }
 
-    export function urlencoded(options: {
+    /**
+     * Interface for defining the options for the urlencoded() middleware
+     *
+     * @export
+     * @interface UrlEncodedOptions
+     */
+    export interface UrlEncodedOptions {
         /**
          * if deflated bodies will be inflated. (default: true)
          */
@@ -131,7 +156,47 @@ declare namespace bodyParser {
          * parse extended syntax with the qs module.
          */
         extended: boolean;
-    }): express.RequestHandler;
+    }
+
+    /**
+     * Returns middleware that only parses json. This parser accepts any Unicode encoding
+     * of the body and supports automatic inflation of gzip and deflate encodings.
+     *
+     * @export
+     * @param {JsonOptions} [options]
+     * @returns {express.RequestHandler}
+     */
+    export function json(options?: JsonOptions): express.RequestHandler;
+
+    /**
+     * Returns middleware that parses all bodies as a Buffer. This parser supports automatic
+     * inflation of gzip and deflate encodings.
+     *
+     * @export
+     * @param {RawOptions} [options]
+     * @returns {express.RequestHandler}
+     */
+    export function raw(options?: RawOptions): express.RequestHandler;
+
+    /**
+     * Returns middleware that parses all bodies as a string. This parser supports
+     * automatic inflation of gzip and deflate encodings.
+     *
+     * @export
+     * @param {TextOptions} [options]
+     * @returns {express.RequestHandler}
+     */
+    export function text(options?: TextOptions): express.RequestHandler;
+
+    /**
+     * Returns middleware that only parses urlencoded bodies. This parser accepts only
+     * UTF-8 encoding of the body and supports automatic inflation of gzip and deflate encodings.
+     *
+     * @export
+     * @param {UrlEncodedOptions} [options]
+     * @returns {express.RequestHandler}
+     */
+    export function urlencoded(options?: UrlEncodedOptions): express.RequestHandler;
 }
 
 export = bodyParser;