diff --git a/.travis.yml b/.travis.yml
index b058f2ceb..63f73619f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,7 +8,7 @@ cache:
   directories:
   - $HOME/travis-phantomjs
 script:
-  - 'if [ -n "$ARTIFACT" ]; then make test; else make test-sauce; fi'
+  - make test
 addons:
   artifacts:
     paths:
@@ -20,19 +20,8 @@ addons:
 env:
   global:
     - ARTIFACTS_BUCKET=recurly-js
-    - secure: dzZNq3i4t8fMRoQWSKr4QQNSh4dBk9u1pDtwBh+dNx4bbgNC2EyXOcjL6vTPH0poDf71ggbt5VpyiqebU9bTA3+hMrMLJPPqKT54z7o58ESoUB1VHzWh40p++2uvZwIJC2HSWTdQDp/Hl3JDG4dCyD4sxuJrACa50gHp8xj0Pcc=
-    - secure: HcEuKA0wbmbdDo9xXzZ8ICZW750EYNKzqeAYIXJWAVhnMwKQ/LXbJhbBhV4jSjWc73pTAi9ZD57UqxoH4/14KpwK8MKPxN5QZV5l4O/1HtOyL/REMhM1dr9RCM0wbSPMeVU/vwggIeW/YSk2WHYEc+smtWAjQeJJiV8+WS4eAu8=
+    - secure: U0dvpEjblZ3i+knw/cOWWgLvHUz/L9vN7Kv5VKDJ5ydvLy/1Tcueokp4hL7jhu4zwzlJto6MdFG1uKXr97zs+ETV9clYtRFBF/4YlAGs8sQcvPu4BOyH9pUJ77tnNR2ZX62wik9UFl6LmJOBpCjVkp+kh6it44QJm4Zv03Yx47w=
+    - secure: wrAUnHRseJQrRUqoKWCY/Sw8Wd21kssvYiQ26HpjNc8Q3+uQY6IAMwyyyRRbr65nwHnYrk6KJfSEHYgmQbMeie/3+LseXbDGd9BmWAvujI2ZXNPjFxhSA4gmBvVtT/57fZaCdc8pAnGLb8OwiBSgQN0UJ55Kr59Yjhi3ehBZd1Q=
     - secure: jQt9v3zZAKmq774J4TOm8a6Zgxea83faf++RRM3azsgLSz5vLfZK6IH4UiC9SmiMZVTYa87mTA71+IO8Mg0lUDJoF8F3EHB+U957el4fDdGak5OULz6FCh0tME1lsstHi+GJ3GtdJGA1DsC6bUR+DsPB5anZZ+wl3QGdUCJToeY=
     - secure: Bv5h9pXMa5O0EdOuN2Dt1n9/+T1dMHimnn6XQb0ozjfwzjfhcPR6eKHkOxDVJ0c1rzne48ql0FK0P42QaCdZpEmy8wUyUTmI1gTMhjILcFbQFk+r9GOwGJsPttLNRS2J9+8u5tEDZjf5LiCnPBjy6vIinK7nlas93xTLTQwNEmI=
     - secure: yIrHdkLhWtO37N24cRU71PK80zvkPzlJ1Jm+1MS3C6/icgJ8At1N/UgpBdxuBs1tlJm1O7Ahk+/MhpGWlspx9tCF7Hzw9Rj0xpKhqsvM155zgH582xNPwNebiCr/tmsH2/ELgFBBgC9sCW5luzeKx9nyuedGA4fmD2fK5Phc5EE=
-  matrix:
-    # - BROWSER: chrome
-    # - BROWSER: firefox
-    # - BROWSER: safari
-    # - BROWSER: ie:11
-    # - BROWSER: ie:10
-    # - BROWSER: ie:9
-    # - BROWSER: iphone:8
-    # - BROWSER: iphone:7
-    # - BROWSER: iphone:6
-    - ARTIFACT: 1
diff --git a/README.md b/README.md
index 476b45779..ab8a789cd 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,8 @@ Simple subscription billing in the browser
 [![build status][travis-image]][travis-url]
 [![code quality][climate-image]][climate-url]
 
+[![Browser test status][sauce-image]][sauce-url]
+
 ## Documentation
 
 [Getting Started & API Documentation][docs]
@@ -66,9 +68,11 @@ in IE9.
 [*aurea mediocritas*][aristotle]
 
 [travis-url]: https://travis-ci.org/recurly/recurly-js/builds
-[travis-image]: http://img.shields.io/travis/recurly/recurly-js.svg?style=flat
+[travis-image]: http://img.shields.io/travis/recurly/recurly-js.svg?style=flat-square
 [climate-url]: https://codeclimate.com/github/recurly/recurly-js
-[climate-image]: http://img.shields.io/codeclimate/github/recurly/recurly-js.svg?style=flat
+[climate-image]: http://img.shields.io/codeclimate/github/recurly/recurly-js.svg?style=flat-square
+[sauce-url]: https://saucelabs.com/u/recurly-js
+[sauce-image]: https://saucelabs.com/browser-matrix/recurly-js.svg
 
 [docs]: https://docs.recurly.com/js
 [examples]: https://github.com/recurly/recurly-js-examples
diff --git a/karma.conf.js b/karma.conf.js
index 2252054e6..aad042ba7 100644
--- a/karma.conf.js
+++ b/karma.conf.js
@@ -1,4 +1,68 @@
 module.exports = function (config) {
+  var sauceBrowsers = {
+    sl_chrome: {
+      base: 'SauceLabs',
+      browserName: 'chrome',
+      platform: 'Windows 10'
+    },
+
+    sl_firefox: {
+      base: 'SauceLabs',
+      browserName: 'firefox',
+      platform: 'Windows 10'
+    },
+
+    sl_safari: {
+      base: 'SauceLabs',
+      browserName: 'safari',
+      platform: 'OS X 10.11'
+    },
+
+    sl_ie_10: {
+      base: 'SauceLabs',
+      browserName: 'internet explorer',
+      version: '10'
+    },
+    sl_ie_11: {
+      base: 'SauceLabs',
+      browserName: 'internet explorer',
+      platform: 'Windows 10',
+      version: '11'
+    },
+
+    sl_opera: {
+      base: 'SauceLabs',
+      browserName: 'opera'
+    },
+
+    sl_ios_8_4: {
+      base: 'SauceLabs',
+      browserName: 'iphone',
+      version: '8.4'
+    },
+    sl_ios_9_0: {
+      base: 'SauceLabs',
+      browserName: 'iphone',
+      version: '9.0'
+    },
+    sl_ios_9_1: {
+      base: 'SauceLabs',
+      browserName: 'iphone',
+      version: '9.1'
+    },
+    sl_ios_9_2: {
+      base: 'SauceLabs',
+      browserName: 'iphone',
+      version: '9.2'
+    },
+
+    sl_android_5_1: {
+      base: 'SauceLabs',
+      browserName: 'android',
+      version: '5.1'
+    }
+  };
+
   config.set({
     basePath: '',
     frameworks: ['mocha', 'fixture', 'sinon', 'phantomjs-shim', 'source-map-support'],
@@ -15,14 +79,22 @@ module.exports = function (config) {
     jsonFixturesPreprocessor: {
       variableName: '__json__'
     },
-    reporters: ['mocha'],
+    reporters: ['mocha', 'saucelabs'],
     port: 9876,
     colors: true,
     logLevel: config.LOG_INFO,
     autoWatch: true,
-    browsers: ['PhantomJS'],
+    browsers: ['PhantomJS'].concat(Object.keys(sauceBrowsers)),
     singleRun: true,
-    concurrency: Infinity
+    concurrency: Infinity,
+    sauceLabs: {
+      testName: 'Recurly.js tests',
+      recordVideo: true
+    },
+    customLaunchers: sauceBrowsers,
+    browserDisconnectTimeout: 300000, // 5 minutes
+    browserNoActivityTimeout: 300000,
+    captureTimeout: 300000
   });
 };
 
diff --git a/package.json b/package.json
index 641e05eff..872ec60e8 100644
--- a/package.json
+++ b/package.json
@@ -54,6 +54,7 @@
     "karma-mocha-reporter": "^1.1.3",
     "karma-phantomjs-launcher": "^0.2.1",
     "karma-phantomjs-shim": "^1.1.2",
+    "karma-sauce-launcher": "^0.3.0",
     "karma-sinon": "^1.0.4",
     "karma-source-map-support": "^1.1.0",
     "koa": "^1.1.2",