diff --git a/README.md b/README.md
index 967e7dc..4bea281 100644
--- a/README.md
+++ b/README.md
@@ -2,4 +2,4 @@
 
 Official JavaScript library for the Command API.
 
-[Read the Documentation](https://portal.oncommand.io/docs/command-js/0.41.0/introduction)
\ No newline at end of file
+[Read the Documentation](http://portal.oncommand.io/docs/command-js/0.43.0/introduction)
diff --git a/dist/index.min.js b/dist/index.min.js
index ea8fbdb..1d08af6 100644
--- a/dist/index.min.js
+++ b/dist/index.min.js
@@ -1 +1 @@
-!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):(t=t||self).command=e()}(this,(function(){"use strict";const t=require("axios");return class{constructor(t,e={}){t||this._throwFormattedError("A valid API key is required."),this.apiKey=t,this.version="0.41.0",this.customerId=e.customerId||null,this.debug=e.debug||!1,this.customers={login:this._loginCustomer.bind(this),logout:this._logoutCustomer.bind(this),create:this._createCustomer.bind(this),update:this._updateCustomer.bind(this),delete:this._deleteCustomer.bind(this)}}_logDebugMessage(t){console.log("[[[ Command.js DEBUG ]]]"),console.log(t)}_throwFormattedError(t){throw new Error(`[Command] ${t} See https://portal.oncommand.io/docs/command-js/${this.version}/introduction.`)}_request(e,s,r={},o=null){return this.debug&&this._logDebugMessage({method:e,url:`https://api.oncommand.io/v1${s}`,headers:{"x-api-key":this.apiKey},data:r}),t({method:e,url:`https://api.oncommand.io/v1${s}`,headers:{"x-api-key":this.apiKey},data:r}).then(t=>(callbak&&o(t),t)).catch(t=>{if(t&&t.response){const{status:e}=t.response,s=t.response&&t.response.data&&t.response.data&&t.response.data.data&&t.response.data.data.error;console.warn(`[${e}] ${s}`),t.response.data&&console.warn(t.response.data),this.debug&&t.response.data&&t.response.data.data&&(this._logDebugMessage(t.response.data.data.error),this._logDebugMessage(t.response.data.data.validationErrors))}})}track(t,e){if(!t)throw new Error("Must pass a key to track.");const s={key:t};return this.customerId&&(s.customerId=this.customerId),e&&(s.properties=e),this._request("post","/behavior",s)}_loginCustomer(t){if(!t)throw new Error("Must pass a customerId.");return this.customerId=t,this._request("put","/customers/login",{customerId:t})}_logoutCustomer(t){if(!t&&!this.customerId)throw new Error("Must have a customerId to logout.");return this._request("put","/customers/logout",{customerId:t||this.customerId},()=>{this.customerId=null})}_createCustomer(t){if(!t)throw new Error("Must pass a customer.");return this._request("post","/customers",{...t})}_updateCustomer(t,e){if(!t)throw new Error("Must pass a customerId.");if(!e)throw new Error("Must pass an update for the customer.");return this._request("put",`/customers/${t}`,{...e})}_deleteCustomer(t){if(!t)throw new Error("Must pass a customerId.");return this._request("delete",`/customers/${t}`)}}}));
+!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):(t=t||self).command=e()}(this,(function(){"use strict";const t=require("axios");return class{constructor(t,e={}){t||this._throwFormattedError("A valid API key is required."),this.apiKey=t,this.version="0.43.0",this.customerId=e.customerId||null,this.debug=e.debug||!1,this.customers={login:this._loginCustomer.bind(this),logout:this._logoutCustomer.bind(this),create:this._createCustomer.bind(this),update:this._updateCustomer.bind(this),delete:this._deleteCustomer.bind(this)}}_logDebugMessage(t){console.log("[[[ Command.js DEBUG ]]]"),console.log(t)}_throwFormattedError(t){throw new Error(`[Command] ${t} See https://portal.oncommand.io/docs/command-js/${this.version}/introduction.`)}_request(e,s,r={}){return this.debug&&this._logDebugMessage({method:e,url:`https://api.oncommand.io/v1${s}`,headers:{"x-api-key":this.apiKey},data:r}),t({method:e,url:`https://api.oncommand.io/v1${s}`,headers:{"x-api-key":this.apiKey},data:r}).then(t=>t&&t.data&&t.data.data).catch(t=>{if(t&&t.response){const{status:e}=t.response,s=t.response&&t.response.data&&t.response.data&&t.response.data.data&&t.response.data.data.error;console.warn(`[${e}] ${s}`),t.response.data&&console.warn(t.response.data),this.debug&&t.response.data&&t.response.data.data&&(this._logDebugMessage(t.response.data.data.error),this._logDebugMessage(t.response.data.data.validationErrors))}})}track(t,e){if(!t)throw new Error("Must pass a key to track.");const s={key:t};return this.customerId&&(s.customerId=this.customerId),e&&(s.properties=e),this._request("post","/behavior",s)}_loginCustomer(t){if(!t)throw new Error("Must pass a customerId.");return this.customerId=t,this._request("put","/customers/login",{customerId:t})}_logoutCustomer(t){if(!t&&!this.customerId)throw new Error("Must have a customerId to logout.");return this._request("put","/customers/logout",{customerId:t||this.customerId},()=>{this.customerId=null})}_createCustomer(t){if(!t)throw new Error("Must pass a customer.");return this._request("post","/customers",{...t})}_updateCustomer(t,e){if(!t)throw new Error("Must pass a customerId.");if(!e)throw new Error("Must pass an update for the customer.");return this._request("put",`/customers/${t}`,{...e})}_deleteCustomer(t){if(!t)throw new Error("Must pass a customerId.");return this._request("delete",`/customers/${t}`)}}}));
diff --git a/package-lock.json b/package-lock.json
index 1c42b6a..f133876 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@oncommandio/js",
-  "version": "0.41.0",
+  "version": "0.43.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 6a6c766..818550e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@oncommandio/js",
-  "version": "0.41.0",
+  "version": "0.43.0",
   "description": "Official JavaScript library for the Command API.",
   "main": "dist/index.min.js",
   "scripts": {
@@ -21,7 +21,7 @@
   ],
   "author": "oncommandio",
   "license": "MIT",
-  "homepage": "https://portal.oncommand.io/docs/command-js/0.41.0/introduction",
+  "homepage": "https://portal.oncommand.io/docs/command-js/0.43.0/introduction",
   "dependencies": {
     "axios": "^0.19.0"
   },
diff --git a/src/index.js b/src/index.js
index 98af0ae..50c6659 100644
--- a/src/index.js
+++ b/src/index.js
@@ -28,7 +28,7 @@ class CommandAPI {
     );
   }
 
-  _request(method, path, data = {}, callback = null) {
+  _request(method, path, data = {}) {
     if (this.debug) {
       this._logDebugMessage({
         method,
@@ -50,8 +50,7 @@ class CommandAPI {
       data
     })
       .then(response => {
-        if (callbak) callback(response);
-        return response;
+        return response && response.data && response.data.data;
       })
       .catch(error => {
         if (error && error.response) {
diff --git a/src/index.test.js b/src/index.test.js
index 2e2b865..45f695e 100644
--- a/src/index.test.js
+++ b/src/index.test.js
@@ -30,7 +30,7 @@ describe("index.js", () => {
     command.track("an event");
     expect(axios).toHaveBeenCalledWith({
       method: "post",
-      url: `http://localhost:4000/api/v1/behavior`,
+      url: `https://api.oncommand.io/v1/behavior`,
       headers: {
         "x-api-key": "apiKey123"
       },
@@ -52,7 +52,7 @@ describe("index.js", () => {
     command.customers.login("1234");
     expect(axios).toHaveBeenCalledWith({
       method: "put",
-      url: `http://localhost:4000/api/v1/customers/login`,
+      url: `https://api.oncommand.io/v1/customers/login`,
       headers: {
         "x-api-key": "apiKey123"
       },
@@ -75,7 +75,7 @@ describe("index.js", () => {
     command.customers.logout();
     expect(axios).toHaveBeenCalledWith({
       method: "put",
-      url: `http://localhost:4000/api/v1/customers/logout`,
+      url: `https://api.oncommand.io/v1/customers/logout`,
       headers: {
         "x-api-key": "apiKey123"
       },
@@ -97,7 +97,7 @@ describe("index.js", () => {
     command.customers.create({ emailAddress: "test@test.com" });
     expect(axios).toHaveBeenCalledWith({
       method: "post",
-      url: `http://localhost:4000/api/v1/customers`,
+      url: `https://api.oncommand.io/v1/customers`,
       headers: {
         "x-api-key": "apiKey123"
       },
@@ -121,7 +121,7 @@ describe("index.js", () => {
     });
     expect(axios).toHaveBeenCalledWith({
       method: "put",
-      url: `http://localhost:4000/api/v1/customers/customerId123`,
+      url: `https://api.oncommand.io/v1/customers/customerId123`,
       headers: {
         "x-api-key": "apiKey123"
       },
@@ -150,7 +150,7 @@ describe("index.js", () => {
     command.customers.delete("customerId123");
     expect(axios).toHaveBeenCalledWith({
       method: "delete",
-      url: `http://localhost:4000/api/v1/customers/customerId123`,
+      url: `https://api.oncommand.io/v1/customers/customerId123`,
       headers: {
         "x-api-key": "apiKey123"
       },