diff --git a/modules/adbutlerBidAdapter.js b/modules/adbutlerBidAdapter.js
new file mode 100644
index 00000000000..a08574c2044
--- /dev/null
+++ b/modules/adbutlerBidAdapter.js
@@ -0,0 +1,131 @@
+'use strict';
+
+import * as utils from '../src/utils';
+import {config} from '../src/config';
+import {registerBidder} from '../src/adapters/bidderFactory';
+
+const BIDDER_CODE = 'adbutler';
+
+export const spec = {
+  code: BIDDER_CODE,
+  pageID: Math.floor(Math.random() * 10e6),
+  aliases: ['divreach'],
+
+  isBidRequestValid: function (bid) {
+    return !!(bid.params.accountID && bid.params.zoneID);
+  },
+
+  buildRequests: function (validBidRequests) {
+    let i;
+    let zoneID;
+    let bidRequest;
+    let accountID;
+    let keyword;
+    let domain;
+    let requestURI;
+    let serverRequests = [];
+    let zoneCounters = {};
+
+    for (i = 0; i < validBidRequests.length; i++) {
+      bidRequest = validBidRequests[i];
+      zoneID = utils.getBidIdParameter('zoneID', bidRequest.params);
+      accountID = utils.getBidIdParameter('accountID', bidRequest.params);
+      keyword = utils.getBidIdParameter('keyword', bidRequest.params);
+      domain = utils.getBidIdParameter('domain', bidRequest.params);
+
+      if (!(zoneID in zoneCounters)) {
+        zoneCounters[zoneID] = 0;
+      }
+
+      if (typeof domain === 'undefined' || domain.length === 0) {
+        domain = 'servedbyadbutler.com';
+      }
+
+      requestURI = 'https://' + domain + '/adserve/;type=hbr;';
+      requestURI += 'ID=' + encodeURIComponent(accountID) + ';';
+      requestURI += 'setID=' + encodeURIComponent(zoneID) + ';';
+      requestURI += 'pid=' + encodeURIComponent(spec.pageID) + ';';
+      requestURI += 'place=' + encodeURIComponent(zoneCounters[zoneID]) + ';';
+
+      // append the keyword for targeting if one was passed in
+      if (keyword !== '') {
+        requestURI += 'kw=' + encodeURIComponent(keyword) + ';';
+      }
+
+      zoneCounters[zoneID]++;
+      serverRequests.push({
+        method: 'GET',
+        url: requestURI,
+        data: {},
+        bidRequest: bidRequest
+      });
+    }
+    return serverRequests;
+  },
+
+  interpretResponse: function (serverResponse, bidRequest) {
+    const bidObj = bidRequest.bidRequest;
+    let bidResponses = [];
+    let bidResponse = {};
+    let isCorrectSize = false;
+    let isCorrectCPM = true;
+    let CPM;
+    let minCPM;
+    let maxCPM;
+    let width;
+    let height;
+
+    serverResponse = serverResponse.body;
+    if (serverResponse && serverResponse.status === 'SUCCESS' && bidObj) {
+      CPM = serverResponse.cpm;
+      minCPM = utils.getBidIdParameter('minCPM', bidObj.params);
+      maxCPM = utils.getBidIdParameter('maxCPM', bidObj.params);
+      width = parseInt(serverResponse.width);
+      height = parseInt(serverResponse.height);
+
+      // Ensure response CPM is within the given bounds
+      if (minCPM !== '' && CPM < parseFloat(minCPM)) {
+        isCorrectCPM = false;
+      }
+      if (maxCPM !== '' && CPM > parseFloat(maxCPM)) {
+        isCorrectCPM = false;
+      }
+
+      // Ensure that response ad matches one of the placement sizes.
+      utils._each(utils.deepAccess(bidObj, 'mediaTypes.banner.sizes', []), function (size) {
+        if (width === size[0] && height === size[1]) {
+          isCorrectSize = true;
+        }
+      });
+      if (isCorrectCPM && isCorrectSize) {
+        bidResponse.requestId = bidObj.bidId;
+        bidResponse.bidderCode = bidObj.bidder;
+        bidResponse.creativeId = serverResponse.placement_id;
+        bidResponse.cpm = CPM;
+        bidResponse.width = width;
+        bidResponse.height = height;
+        bidResponse.ad = serverResponse.ad_code;
+        bidResponse.ad += spec.addTrackingPixels(serverResponse.tracking_pixels);
+        bidResponse.currency = 'USD';
+        bidResponse.netRevenue = true;
+        bidResponse.ttl = config.getConfig('_bidderTimeout');
+        bidResponse.referrer = utils.deepAccess(bidObj, 'refererInfo.referer');
+        bidResponses.push(bidResponse);
+      }
+    }
+    return bidResponses;
+  },
+
+  addTrackingPixels: function (trackingPixels) {
+    let trackingPixelMarkup = '';
+    utils._each(trackingPixels, function (pixelURL) {
+      let trackingPixel = '<img height="0" width="0" border="0" style="display:none;" src="';
+      trackingPixel += pixelURL;
+      trackingPixel += '">';
+
+      trackingPixelMarkup += trackingPixel;
+    });
+    return trackingPixelMarkup;
+  }
+};
+registerBidder(spec);
diff --git a/test/spec/adapters/adbutler_spec.js b/test/spec/adapters/adbutler_spec.js
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/test/spec/modules/adbutlerBidAdapter_spec.js b/test/spec/modules/adbutlerBidAdapter_spec.js
new file mode 100644
index 00000000000..4f62d6206b4
--- /dev/null
+++ b/test/spec/modules/adbutlerBidAdapter_spec.js
@@ -0,0 +1,221 @@
+import {expect} from 'chai';
+import {spec} from 'modules/adbutlerBidAdapter';
+
+describe('AdButler adapter', function () {
+  let bidRequests;
+
+  beforeEach(function () {
+    bidRequests = [
+      {
+        bidder: 'adbutler',
+        params: {
+          accountID: '167283',
+          zoneID: '210093',
+          keyword: 'red',
+          minCPM: '1.00',
+          maxCPM: '5.00'
+        },
+        placementCode: '/19968336/header-bid-tag-1',
+        mediaTypes: {
+          banner: {
+            sizes: [[300, 250], [300, 600]],
+          },
+        },
+        bidId: '23acc48ad47af5',
+        auctionId: '0fb4905b-9456-4152-86be-c6f6d259ba99',
+        bidderRequestId: '1c56ad30b9b8ca8',
+        transactionId: '92489f71-1bf2-49a0-adf9-000cea934729'
+      }
+    ];
+  });
+
+  describe('implementation', function () {
+    describe('for requests', function () {
+      it('should accept valid bid', function () {
+        let validBid = {
+            bidder: 'adbutler',
+            params: {
+              accountID: '167283',
+              zoneID: '210093'
+            }
+          },
+          isValid = spec.isBidRequestValid(validBid);
+
+        expect(isValid).to.equal(true);
+      });
+
+      it('should reject invalid bid', function () {
+        let invalidBid = {
+            bidder: 'adbutler',
+            params: {
+              accountID: '167283',
+            }
+          },
+          isValid = spec.isBidRequestValid(invalidBid);
+
+        expect(isValid).to.equal(false);
+      });
+
+      it('should use custom domain string', function () {
+        let bidRequests = [
+            {
+              bidId: '3c9408cdbf2f68',
+              sizes: [[300, 250]],
+              bidder: 'adbutler',
+              params: {
+                accountID: '107878',
+                zoneID: '86133',
+                domain: 'servedbyadbutler.com.dan.test'
+              },
+              auctionId: '10b327aa396609',
+              placementCode: '/123456/header-bid-tag-1'
+            }
+          ],
+          requests = spec.buildRequests(bidRequests),
+          requestURL = requests[0].url;
+
+        expect(requestURL).to.have.string('.dan.test');
+      });
+
+      it('should set default domain', function () {
+        let requests = spec.buildRequests(bidRequests),
+          request = requests[0];
+
+        let [domain] = request.url.split('/adserve/');
+
+        expect(domain).to.equal('https://servedbyadbutler.com');
+      });
+
+      it('should set the keyword parameter', function () {
+        let requests = spec.buildRequests(bidRequests),
+          requestURL = requests[0].url;
+
+        expect(requestURL).to.have.string(';kw=red;');
+      });
+
+      it('should increment the count for the same zone', function () {
+        let bidRequests = [
+            {
+              sizes: [[300, 250]],
+              bidder: 'adbutler',
+              params: {
+                accountID: '107878',
+                zoneID: '86133',
+              }
+            }, {
+              sizes: [[300, 250]],
+              bidder: 'adbutler',
+              params: {
+                accountID: '107878',
+                zoneID: '86133',
+              }
+            },
+          ],
+          requests = spec.buildRequests(bidRequests),
+          firstRequest = requests[0].url,
+          secondRequest = requests[1].url;
+
+        expect(firstRequest).to.have.string(';place=0;');
+        expect(secondRequest).to.have.string(';place=1;');
+      });
+    });
+
+    describe('bid responses', function () {
+      it('should return complete bid response', function () {
+        let serverResponse = {
+            body: {
+              status: 'SUCCESS',
+              account_id: 167283,
+              zone_id: 210093,
+              cpm: 1.5,
+              width: 300,
+              height: 250,
+              place: 0,
+              ad_code: '<img src="http://image.source.com/img" alt="" title="" border="0" width="300" height="250">',
+              tracking_pixels: [
+                'http://tracking.pixel.com/params=info'
+              ]
+            }
+          },
+          bids = spec.interpretResponse(serverResponse, {'bidRequest': bidRequests[0]});
+
+        expect(bids).to.be.lengthOf(1);
+
+        expect(bids[0].bidderCode).to.equal('adbutler');
+        expect(bids[0].cpm).to.equal(1.5);
+        expect(bids[0].width).to.equal(300);
+        expect(bids[0].height).to.equal(250);
+        expect(bids[0].currency).to.equal('USD');
+        expect(bids[0].netRevenue).to.equal(true);
+        expect(bids[0].ad).to.have.length.above(1);
+        expect(bids[0].ad).to.have.string('http://tracking.pixel.com/params=info');
+      });
+
+      it('should return empty bid response', function () {
+        let serverResponse = {
+            body: {
+              status: 'NO_ELIGIBLE_ADS',
+              zone_id: 210083,
+              width: 300,
+              height: 250,
+              place: 0
+            }
+          },
+          bids = spec.interpretResponse(serverResponse, {'bidRequest': bidRequests[0]});
+
+        expect(bids).to.be.lengthOf(0);
+      });
+
+      it('should return empty bid response on incorrect size', function () {
+        let serverResponse = {
+            body: {
+              status: 'SUCCESS',
+              account_id: 167283,
+              zone_id: 210083,
+              cpm: 1.5,
+              width: 728,
+              height: 90,
+              place: 0
+            }
+          },
+          bids = spec.interpretResponse(serverResponse, {'bidRequest': bidRequests[0]});
+
+        expect(bids).to.be.lengthOf(0);
+      });
+
+      it('should return empty bid response with CPM too low', function () {
+        let serverResponse = {
+            body: {
+              status: 'SUCCESS',
+              account_id: 167283,
+              zone_id: 210093,
+              cpm: 0.75,
+              width: 300,
+              height: 250,
+              place: 0
+            }
+          },
+          bids = spec.interpretResponse(serverResponse, {'bidRequest': bidRequests[0]});
+
+        expect(bids).to.be.lengthOf(0);
+      });
+
+      it('should return empty bid response with CPM too high', function () {
+        let serverResponse = {
+            body: {
+              status: 'SUCCESS',
+              account_id: 167283,
+              zone_id: 210093,
+              cpm: 7,
+              width: 300,
+              height: 250,
+              place: 0
+            }
+          },
+          bids = spec.interpretResponse(serverResponse, {'bidRequest': bidRequests[0]});
+
+        expect(bids).to.be.lengthOf(0);
+      });
+    });
+  });
+});