diff --git a/postal/postal-tests.ts b/postal/postal-tests.ts
new file mode 100644
index 000000000..e83a3666a
--- /dev/null
+++ b/postal/postal-tests.ts
@@ -0,0 +1,9 @@
+
+/// <reference path="postal.d.ts" />
+
+var channel = postal.channel("test");
+
+channel.subscribe("test", function(data){ });
+
+channel.publish("test", {id:1, name:"Test user"});
+
diff --git a/postal/postal.d.ts b/postal/postal.d.ts
new file mode 100644
index 000000000..0ef40c5d5
--- /dev/null
+++ b/postal/postal.d.ts
@@ -0,0 +1,71 @@
+// Type definitions for Postal v0.8.9
+// Project: https://github.com/postaljs/postal.js
+// Definitions by: Lokesh Peta <https://github.com/lokeshpeta/>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+/// <reference path="../underscore/underscore.d.ts" />
+
+interface IConfiguration{
+	SYSTEM_CHANNEL: string;
+	DEFAULT_CHANNEL: string;
+	resolver: any;
+}
+
+interface ISubscriptionDefinition{
+	unsubscribe(): void;
+	subscribe(callback: (data: any, envelope: IEnvelope)=> void): void;
+	defer():ISubscriptionDefinition;
+	disposeAfter(maxCalls: number): ISubscriptionDefinition;
+	distinctUntilChanged(): ISubscriptionDefinition;
+	once(): ISubscriptionDefinition;
+	withConstraint(predicate: Function): ISubscriptionDefinition;
+	withConstraints(predicates: Array<Function>): ISubscriptionDefinition;
+	
+	withContext(context: any): ISubscriptionDefinition;
+	withDebounce(milliseconds: number, immediate: boolean ): ISubscriptionDefinition;
+	withDelay(milliseconds: number): ISubscriptionDefinition;
+	withThrottle(milliseconds: number): ISubscriptionDefinition;
+}
+
+interface IEnvelope{
+	topic: string;
+	data?: any;
+
+	/*Uses DEFAULT_CHANNEL if no channel is provided*/
+	channel?: string;
+
+	timeStamp?: string;
+}
+
+
+interface IChannelDefinition {
+	subscribe(topic: string): ISubscriptionDefinition;
+	subscribe(topic: string, callback: (data: any, envelope: IEnvelope)=> void): ISubscriptionDefinition;
+
+	publish(topic: string, data?: any): void;
+	publish(envelope: IEnvelope): void;
+
+	channel: string;
+}
+
+interface IPostalUtils{
+	getSubscribersFor(channel: string, tpc: any): any;
+	reset(): void;
+}
+
+interface IPostal {
+	channel(name?:string): IChannelDefinition;
+	
+	linkChannels(sources: IEnvelope | IEnvelope[], destinations:  IEnvelope | IEnvelope[]): ISubscriptionDefinition[];
+	
+	utils: IPostalUtils;
+
+	configuration: IConfiguration;
+}
+
+declare var postal: IPostal;
+
+declare module "postal" {
+    var postal: IPostal;
+    export = postal;
+}
\ No newline at end of file