diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index 71f35228b2..88fb5266b1 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -335,6 +335,7 @@ All definitions files include a header with the author and editors, so at some p
 * [Selenium WebDriverJS](https://code.google.com/p/selenium/) (by [Bill Armstrong](https://github.com/BillArmstrong))
 * [Semver](https://github.com/isaacs/node-semver) (by [Bart van der Schoor](https://github.com/Bartvds))
 * [Sencha Touch](http://www.sencha.com/products/touch/) (by [Brian Kotek](https://github.com/brian428))
+* [sendgrid](https://github.com/sendgrid/sendgrid-nodejs) (by [Maxime LUCE](https://github.com/SomaticIT))
 * [SharePoint](http://sptypescript.codeplex.com) (by [Stanislav Vyshchepan](http://gandjustas.blogspot.ru) and [Andrey Markeev](http://markeev.com))
 * [ShellJS](http://shelljs.org) (by [Niklas Mollenhauer](https://github.com/nikeee))
 * [Showdown](https://github.com/coreyti/showdown) (by [Chris Bowdon](https://github.com/cbowdon))
diff --git a/sendgrid/sendgrid-tests.ts b/sendgrid/sendgrid-tests.ts
new file mode 100644
index 0000000000..e7d34feb08
--- /dev/null
+++ b/sendgrid/sendgrid-tests.ts
@@ -0,0 +1,246 @@
+/**
+ * Test suite created by Maxime LUCE <https://github.com/SomaticIT>
+ * 
+ * Created by using code samples from https://github.com/sendgrid/sendgrid-nodejs#usage
+ */
+
+///<reference path="../node/node.d.ts" />
+///<reference path="sendgrid.d.ts" />
+
+import sg = require("sendgrid");
+var sendgrid = sg("api_user", "api_key");
+
+/*
+ * Simple Usage
+ */
+var payload = {
+    to: 'to@example.com',
+    from: 'from@other.com',
+    subject: 'Saying Hi',
+    text: 'This is my first email through SendGrid'
+};
+sendgrid.send(payload, function (err, json) {
+    if (err) {
+        console.error(err);
+    }
+
+    console.log(json);
+});
+
+/**
+ * Email:
+ * https://github.com/sendgrid/sendgrid-nodejs#email
+ */
+var email = new sendgrid.Email({
+    to: 'foo@bar.com',
+    from: 'you@yourself.com',
+    subject: 'Subject goes here',
+    text: 'Hello world'
+});
+
+sendgrid.send(email, function (err, json) {
+    if (err) {
+        return console.error(err);
+    }
+    console.log(json);
+});
+
+/**
+ * Setting Params
+ * https://github.com/sendgrid/sendgrid-nodejs#setting-params
+ */
+var email = new sendgrid.Email({ to: 'person@email.com' });
+email.to = "different@email.com";
+email.replyto = "reply-here@email.com";
+email.subject = "This is a subject";
+
+/**
+ * addTo
+ * https://github.com/sendgrid/sendgrid-nodejs#addto
+ */
+var email = new sendgrid.Email();
+email.addTo('foo@bar.com');
+email.addTo('another@another.com');
+sendgrid.send(email, function (err, json) { });
+
+
+/**
+ * setFrom
+ * https://github.com/sendgrid/sendgrid-nodejs#setfrom
+ */
+var email = new sendgrid.Email();
+email.setFrom('foo@bar.com');
+sendgrid.send(email, function (err, json) { });
+
+/**
+ * setSubject
+ * https://github.com/sendgrid/sendgrid-nodejs#setsubject
+ */
+var email = new sendgrid.Email();
+email.setSubject('Some subject');
+sendgrid.send(email, function (err, json) { });
+
+/**
+ * setText
+ * https://github.com/sendgrid/sendgrid-nodejs#settext
+ */
+var email = new sendgrid.Email();
+email.setText('Some text');
+sendgrid.send(email, function (err, json) { });
+
+/**
+ * setHtml
+ * https://github.com/sendgrid/sendgrid-nodejs#sethtml
+ */
+var email = new sendgrid.Email();
+email.setHtml('<h1>Some html</h1>');
+sendgrid.send(email, function (err, json) { });
+
+/**
+ * addHeader
+ * https://github.com/sendgrid/sendgrid-nodejs#addheader
+ */
+var email = new sendgrid.Email();
+email.setHeaders({ full: 'hearts' });   // headers = {full: 'hearts'}
+email.addHeader('spin', 'attack');   // headers = {full: 'hearts', spin: 'attack'}
+email.addHeader('mask', 'salesman'); // headers = {full: 'hearts', spin: 'attack', mask: 'salesman'}
+sendgrid.send(email, function (err, json) { });
+
+/**
+ * setHeaders
+ * https://github.com/sendgrid/sendgrid-nodejs#setheaders
+ */
+var email = new sendgrid.Email();
+email.setHeaders({ full: 'hearts' });   // headers = {full: 'hearts'}
+email.setHeaders({ mask: 'salesman' }); // headers = {mask: 'salesman'}
+sendgrid.send(email, function (err, json) { });
+
+/**
+ * addSubstitution
+ * https://github.com/sendgrid/sendgrid-nodejs#addsubstitution
+ */
+var email = new sendgrid.Email();
+email.addSubstitution('keep', 'secret'); // sub = {keep: ['secret']}
+email.addSubstitution('other', ['one', 'two']);   // sub = {keep: ['secret'], other: ['one', 'two']}
+
+/**
+ * setSubstitutions
+ * https://github.com/sendgrid/sendgrid-nodejs#setsubstitutions
+ */
+var email = new sendgrid.Email();
+email.setSubstitutions({ keep: ['secret'], other: ['one', 'two'] }); // sub = {keep: ['secret'], other: ['one', 'two']});
+
+/**
+ * addSection
+ * https://github.com/sendgrid/sendgrid-nodejs#addsection
+ */
+var email = new sendgrid.Email();
+email.addSection({ '-charge-': 'This ship is useless.' }); // section = {'-charge-': 'This ship is useless.'}
+
+/**
+ * setSections
+ * https://github.com/sendgrid/sendgrid-nodejs#setsections
+ */
+var email = new sendgrid.Email();
+email.setSections({ '-charge-': 'This ship is useless.' }); // section = {'-charge-': 'This ship is useless.'}
+
+/**
+ * addUniqueArg
+ * https://github.com/sendgrid/sendgrid-nodejs#adduniquearg
+ */
+var email = new sendgrid.Email();
+email.setUniqueArgs({ cow: 'chicken' }); // unique_args = {cow: 'chicken'}
+email.addUniqueArg({ cat: 'dog' });     // unique_args = {cow: 'chicken', cat: 'dog'}
+
+/**
+ * setUniqueArgs
+ * https://github.com/sendgrid/sendgrid-nodejs#setuniqueargs
+ */
+var email = new sendgrid.Email();
+email.setUniqueArgs({ cow: 'chicken' }); // unique_args = {cow: 'chicken'}
+email.setUniqueArgs({ dad: 'proud' });   // unique_args = {dad: 'proud'}
+
+
+/**
+ * addCategory
+ * https://github.com/sendgrid/sendgrid-nodejs#addcategory
+ */
+var email = new sendgrid.Email();
+email.addCategory('tactics');        // category = ['tactics']
+email.addCategory('advanced');       // category = ['tactics', 'advanced']
+
+/**
+ * setCategories
+ * https://github.com/sendgrid/sendgrid-nodejs#setcategories
+ */
+var email = new sendgrid.Email();
+email.setCategories(['tactics']);        // category = ['tactics']
+email.setCategories(['snowball-fight']); // category = ['snowball-fight']
+
+/**
+ * addFilter
+ * https://github.com/sendgrid/sendgrid-nodejs#addfilter
+ */
+var email = new sendgrid.Email();
+email.addFilter('footer', 'enable', 1);
+email.addFilter('footer', 'text/html', '<strong>boo</strong>');
+
+/**
+ * setFilters
+ * https://github.com/sendgrid/sendgrid-nodejs#setfilters
+ */
+var email = new sendgrid.Email();
+var email = new sendgrid.Email();
+email.setFilters({
+    'footer': {
+        'setting': {
+            'enable': 1,
+            'text/plain': 'You can haz footers!'
+        }
+    }
+});
+
+/**
+ * addFile
+ * https://github.com/sendgrid/sendgrid-nodejs#addfile
+ */
+var email = new sendgrid.Email();
+email.addFile({
+    filename: 'secret.txt',
+    content: new Buffer('You will never know....')
+});
+// or
+email.addFile({
+    filename: 'icon.jpg',
+    url: 'http://i.imgur.com/2fDh8.jpg'
+});
+// or
+email.addFile({
+    path: '../files/resume.txt'
+});
+// or
+email.addFile({
+    cid: 'the_logo',           // should match cid value in html
+    path: '../files/logo.png'
+});
+email.setHtml('<div>Our logo:<img src="cid:the_logo"></div>');
+
+/**
+ * Options - Changing URL
+ * https://github.com/sendgrid/sendgrid-nodejs#changing-url
+ */
+var sendgrid1 = sg('username', 'password', { "protocol": "http", "host": "sendgrid.org", "endpoint": "/send", "port": "80" });
+var sendgrid2 = sg('username', 'password', { "uri": "http://sendgrid.org:80/send" });
+
+/**
+ * Options - Request
+ * https://github.com/sendgrid/sendgrid-nodejs#request
+ */
+var sendgrid3 = sg('username', 'password', { proxy: "http://localproxy:3128" });
+// or
+import https = require('https');
+var agent = new https.Agent();
+agent.maxSockets = 500; // Set Max Sockets to 500
+var sendgrid4 = sg('username', 'password', { web: { pool: agent } });
+
+
diff --git a/sendgrid/sendgrid.d.ts b/sendgrid/sendgrid.d.ts
new file mode 100644
index 0000000000..7f644b65b0
--- /dev/null
+++ b/sendgrid/sendgrid.d.ts
@@ -0,0 +1,169 @@
+// Type definitions for sendgrid 1.1.0
+// Project: https://github.com/sendgrid/sendgrid-nodejs
+// Definitions by: Maxime LUCE <https://github.com/SomaticIT>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+declare module Sendgrid {
+    //#region Options
+
+    export interface UriParts {
+        protocol: string;
+        host: string;
+        port: string;
+        endpoint: string;
+    }
+
+    export interface Options {
+        protocol?: string;
+        host?: string;
+        port?: string;
+        endpoint?: string;
+        uri?: string;
+        proxy?: string;
+        web?: {
+            pool?: any;
+        }
+    }
+
+    export interface OptionsExport {
+        uriParts: UriParts;
+        uri: string;
+
+        proxy?: string;
+        web?: {
+            pool?: any;
+        }
+    }
+
+    //#endregion
+
+    //#region Email
+
+    export interface EmailOptions {
+        to?: any;
+        toname?: string;
+        from?: string;
+        fromname?: string;
+        subject?: string;
+        text?: string;
+        html?: string;
+        bcc?: any;
+        replyto?: string;
+        date?: Date;
+        headers?: { [key: string]: string };
+        files?: FileHandlerOptions[];
+        smtpapi?: any;
+    }
+
+    export class Email {
+        to: any;
+        toname: string;
+        from: string;
+        fromname: string;
+        subject: string;
+        text: string;
+        html: string;
+        bcc: any;
+        replyto: string;
+        date: Date;
+        headers: { [key: string]: string };
+        files: FileHandler[];
+        smtpapi: any;
+
+        constructor();
+        constructor(options: EmailOptions);
+
+        addTo(address: string): void;
+        addHeader(type: string, value: string): void;
+        addSubstitution(type: string, value: string): void;
+        addSubstitution(type: string, value: string[]): void;
+        addSection(section: { [key: string]: string }): void;
+        addUniqueArg(uarg: { [key: string]: string }): void;
+        addCategory(category: string): void;
+        addFilter(filter: string, command: string, value: number): void;
+        addFilter(filter: string, command: string, value: string): void;
+        addFile(file: FileHandlerOptions): void;
+
+        setFrom(address: string): void;
+        setSubject(subject: string): void;
+        setText(text: string): void;
+        setHtml(html: string): void;
+        setHeaders(headers: { [key: string]: string }): void;
+        setSubstitutions(substitutions: { [key: string]: string[] }): void;
+        setSections(sections: { [key: string]: string }): void;
+        setUniqueArgs(uargs: { [key: string]: string }): void;
+        setCategories(categories: string[]): void;
+        setFilters(filters: any): void;
+    }
+
+    //#endregion
+
+    //#region FileHandler
+
+    export interface FileHandlerOptions {
+        filename?: string;
+        contentType?: string;
+        cid?: string;
+        path?: string;
+        url?: string;
+        content?: any;
+    }
+
+    export class FileHandler {
+        filename: string;
+        contentType: string;
+        cid: string;
+
+        type: string;
+        content: string;
+        path: string;
+        url: string;
+
+        constructor(options: FileHandlerOptions);
+
+        loadContent(callback: HandlerCallback): void;
+
+        static handlers: {
+            content: Handler;
+            path: Handler;
+            url: Handler;
+            none: Handler;
+        };
+    }
+
+    export interface Handler {
+        (file: FileHandler, callback: HandlerCallback): void;
+    }
+
+    export interface HandlerCallback {
+        (hasError: boolean, error: Error): void;
+        (hasError: boolean, error: string): void;
+    }
+
+    //#endregion
+
+    //#region Sendgrid Class
+
+    interface Constructor {
+        (api_user: string, api_key: string, options?: Options): Instance;
+        new (api_user: string, api_key: string, options?: Options): Instance;
+    }
+
+    export interface Instance {
+        version: string;
+        api_user: string;
+        api_key: string;
+        options: OptionsExport;
+        Email: typeof Email;
+
+        send(email: EmailOptions, callback: (err: Error, json: any) => any): void;
+        send(email: Email, callback: (err: Error, json: any) => any): void;
+    }
+
+    //#endregion
+}
+
+declare module "sendgrid" {
+    var ctor: Sendgrid.Constructor;
+    export = ctor;
+}
\ No newline at end of file