diff --git a/integrations/replaybird/HISTORY.md b/integrations/replaybird/HISTORY.md
new file mode 100644
index 000000000..5c85c20c9
--- /dev/null
+++ b/integrations/replaybird/HISTORY.md
@@ -0,0 +1,4 @@
+1.0.0 / 2020-02-26
+==================
+
+  * Initial commit
diff --git a/integrations/replaybird/README.md b/integrations/replaybird/README.md
new file mode 100644
index 000000000..d80579e09
--- /dev/null
+++ b/integrations/replaybird/README.md
@@ -0,0 +1,12 @@
+# analytics.js-integration-replaybird [![Build Status][ci-badge]][ci-link]
+
+ReplayBird integration for [Analytics.js][].
+
+## License
+
+Released under the [MIT license](LICENSE).
+
+
+[Analytics.js]: https://segment.com/docs/libraries/analytics.js/
+[ci-link]: https://circleci.com/gh/segment-integrations/analytics.js-integration-replaybird
+[ci-badge]: https://circleci.com/gh/segment-integrations/analytics.js-integration-replaybird.svg?style=svg
diff --git a/integrations/replaybird/karma.conf-ci.js b/integrations/replaybird/karma.conf-ci.js
new file mode 100644
index 000000000..2ba15b707
--- /dev/null
+++ b/integrations/replaybird/karma.conf-ci.js
@@ -0,0 +1 @@
+module.exports = require('../../karma.conf-ci.js');
diff --git a/integrations/replaybird/karma.conf.js b/integrations/replaybird/karma.conf.js
new file mode 100644
index 000000000..8605180af
--- /dev/null
+++ b/integrations/replaybird/karma.conf.js
@@ -0,0 +1 @@
+module.exports = require('../../karma.conf');
diff --git a/integrations/replaybird/lib/index.js b/integrations/replaybird/lib/index.js
new file mode 100644
index 000000000..7483bc137
--- /dev/null
+++ b/integrations/replaybird/lib/index.js
@@ -0,0 +1,118 @@
+'use strict';
+
+/**
+ * Module dependencies.
+ */
+
+var camel = require('camelcase');
+var foldl = require('@ndhoule/foldl');
+var integration = require('@segment/analytics.js-integration');
+
+/**
+ * Expose `ReplayBird` integration.
+ *
+ * https://www.replaybird.com
+ */
+
+var ReplayBird = (module.exports = integration('ReplayBird')
+  .option('siteKey', '')
+  .option('debug', false));
+
+/**
+ * Initialize.
+ */
+ReplayBird.prototype.initialize = function() {
+
+  /* eslint-disable no-param-reassign */
+  !function(t,e){var o,n,p,r;e.__SV||(window.replaybird=e,e._i=[],e.init=function(i,s,a){function g(t,e){var o=e.split(".");2==o.length&&(t=t[o[0]],e=o[1]),t[e]=function(){t.push([e].concat(Array.prototype.slice.call(arguments,0)))}}(p=t.createElement("script")).type="text/javascript",p.async=!0,p.src="https://cdn.replaybird.com/agent/latest/replaybird.js",(r=t.getElementsByTagName("script")[0]).parentNode.insertBefore(p,r);var u=e;for(void 0!==a?u=e[a]=[]:a="replaybird",u.people=u.people||[],u.toString=function(t){var e="replaybird";return"replaybird"!==a&&(e+="."+a),t||(e+=" (stub)"),e},u.people.toString=function(){return u.toString(1)+".people (stub)"},o="identify capture alias people.set people.set_once set_config register register_once unregister opt_out_capturing has_opted_out_capturing opt_in_capturing reset".split(" "),n=0;n<o.length;n++)g(u,o[n]);e._i.push([i,s,a])},e.__SV=1)}(document,window.replaybird||[]);
+  /* eslint-enable no-param-reassign */
+
+  window.replaybird.init(this.options.siteKey, { });
+  // if (this.options.debug) {
+  //   window.replaybird.debug();
+  // }
+  this.ready();
+};
+
+/**
+ * Loaded?
+ *
+ * @return {Boolean}
+ */
+ReplayBird.prototype.loaded = function() {
+  return !!window.replaybird;
+};
+
+/**
+ * Identify
+ *
+ * @param {Identify} identify
+ */
+ReplayBird.prototype.identify = function(identify) {
+  if (!identify.userId()) {
+    return this.debug('User id is required!');
+  }
+
+  var traits = identify.traits({ name: 'displayName' });
+
+  var newTraits = foldl(
+    function(results, value, key) {
+      var rs = results;
+      if (key !== 'id') {
+        rs[
+          key === 'displayName' || key === 'email' ? key : camelCaseField(key)
+        ] = value;
+      }
+      return rs;
+    },
+    {},
+    traits
+  );
+
+  var id = String(identify.userId());
+  window.replaybird.identify(id, newTraits);
+};
+
+/**
+ * Track. Passes the events directly to ReplayBird
+ *
+ * @param {Track} track
+ */
+ReplayBird.prototype.track = function(track) {
+  if (window.replaybird) {
+    window.replaybird.capture(track.event(), track.properties());
+  }
+};
+
+/**
+ * Camel cases `.`, `-`, `_`, and white space within fieldNames. Leaves type suffix alone.
+ *
+ * NOTE: Does not fix otherwise malformed fieldNames.
+ * ReplayBird will scrub characters from keys that do not conform to /^[a-zA-Z][a-zA-Z0-9_]*$/.
+ *
+ * @param {string} fieldName
+ */
+function camelCaseField(fieldName) {
+  // Do not camel case across type suffixes.
+  var parts = fieldName.split('_');
+  if (parts.length > 1) {
+    var typeSuffix = parts.pop();
+    switch (typeSuffix) {
+      case 'str':
+      case 'int':
+      case 'date':
+      case 'real':
+      case 'bool':
+      case 'strs':
+      case 'ints':
+      case 'dates':
+      case 'reals':
+      case 'bools':
+        return camel(parts.join('_')) + '_' + typeSuffix;
+      default: // passthrough
+    }
+  }
+
+  // No type suffix found. Camel case the whole field name.
+  return camel(fieldName);
+}
diff --git a/integrations/replaybird/package.json b/integrations/replaybird/package.json
new file mode 100644
index 000000000..877fedd5d
--- /dev/null
+++ b/integrations/replaybird/package.json
@@ -0,0 +1,49 @@
+{
+  "name": "@segment/analytics.js-integration-replaybird",
+  "description": "The ReplayBird analytics.js integration.",
+  "version": "1.0.0",
+  "keywords": [
+    "analytics.js",
+    "analytics.js-integration",
+    "segment",
+    "replaybird"
+  ],
+  "main": "lib/index.js",
+  "scripts": {
+    "test": "karma start",
+    "test:ci": "karma start karma.conf-ci.js"
+  },
+  "author": "Segment <friends@segment.com>",
+  "license": "SEE LICENSE IN LICENSE",
+  "homepage": "https://github.com/segmentio/analytics.js-integrations/blob/master/integrations/replaybird#readme",
+  "bugs": {
+    "url": "https://github.com/segmentio/analytics.js-integrations/issues"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/segmentio/analytics.js-integrations.git"
+  },
+  "dependencies": {
+    "@ndhoule/foldl": "^2.0.1",
+    "@segment/analytics.js-integration": "^2.1.0",
+    "camelcase": "^3.0.0",
+    "is": "^3.1.0"
+  },
+  "devDependencies": {
+    "@segment/analytics.js-core": "^3.8.2",
+    "@segment/analytics.js-integration-tester": "^3.1.1",
+    "@segment/clear-env": "^2.1.1",
+    "browserify": "^16.2.3",
+    "eslint": "^5.16.0",
+    "karma": "^4.1.0",
+    "karma-browserify": "^6.0.0",
+    "karma-chrome-launcher": "^2.2.0",
+    "karma-mocha": "^1.3.0",
+    "karma-mocha-reporter": "^2.2.5",
+    "karma-sauce-launcher": "^2.0.2",
+    "karma-spec-reporter": "^0.0.32",
+    "karma-summary-reporter": "^1.6.0",
+    "mocha": "^6.1.4",
+    "watchify": "^3.11.1"
+  }
+}
diff --git a/integrations/replaybird/test/index.test.js b/integrations/replaybird/test/index.test.js
new file mode 100644
index 000000000..cf7a0d53c
--- /dev/null
+++ b/integrations/replaybird/test/index.test.js
@@ -0,0 +1,116 @@
+'use strict';
+
+var Analytics = require('@segment/analytics.js-core').constructor;
+var integration = require('@segment/analytics.js-integration');
+var sandbox = require('@segment/clear-env');
+var tester = require('@segment/analytics.js-integration-tester');
+var ReplayBird = require('../lib/');
+
+describe('ReplayBird', function() {
+  var analytics;
+  var replaybird;
+  var options = {
+    siteKey: '7vrdFkeywUwS94YQXUTdBf0pPQHXNlcWihmo1gsKLBO',
+    debug: false
+  };
+
+  beforeEach(function() {
+    analytics = new Analytics();
+    replaybird = new ReplayBird(options);
+    analytics.use(ReplayBird);
+    analytics.use(tester);
+    analytics.add(replaybird);
+  });
+
+  afterEach(function() {
+    analytics.restore();
+    analytics.reset();
+    replaybird.reset();
+    sandbox();
+  });
+
+  it('should have the right settings', function() {
+    analytics.compare(
+      ReplayBird,
+      integration('ReplayBird')
+        .option('siteKey', '')
+        .option('debug', false)
+    );
+  });
+
+  describe('before loading', function() {
+    beforeEach(function() {
+      analytics.stub(replaybird, 'load');
+    });
+
+    describe('#initialize', function() {
+      it('should call #load', function() {
+        analytics.initialize();
+        analytics.called(replaybird.load);
+      });
+    });
+  });
+
+  describe('after loading', function() {
+    beforeEach(function(done) {
+      analytics.once('ready', done);
+      analytics.initialize();
+      analytics.page();
+    });
+
+    describe('#identify', function() {
+      beforeEach(function() {
+        analytics.stub(window.ReplayBird, 'identify');
+      });
+
+      it('should send an id', function() {
+        analytics.identify('id');
+        analytics.called(window.ReplayBird.identify, 'id', {});
+      });
+
+      it('should camel case custom props', function() {
+        analytics.identify('id', {
+          name: 'User123',
+          email: 'example@acme.com',
+          'First name': 'Eric',
+          lastName: 'Brown'
+        });
+        analytics.called(
+          window.ReplayBird.identify,
+          'id',
+          {
+            name: 'User123',
+            email: 'example@acme.com',
+            firstName: 'Eric',
+            lastName: 'Brown'
+          }
+        );
+      });
+
+      it('should map name and email', function() {
+        analytics.identify('id', { name: 'Test', email: 'test@test.com' });
+        analytics.called(
+          window.ReplayBird.identify,
+          'id',
+          { name: 'Test', email: 'test@test.com' }
+        );
+      });
+    });
+
+    describe('#track', function() {
+      beforeEach(function() {
+        analytics.stub(window.ReplayBird, 'event');
+      });
+
+      it('should send track event name and properties', function() {
+        analytics.track('my_event', { some_field: 'field_value' });
+        analytics.called(
+          window.ReplayBird.event,
+          'my_event',
+          { some_field: 'field_value' }
+        );
+      });
+    });
+
+  });
+});