diff --git a/modules/inskinBidAdapter.js b/modules/inskinBidAdapter.js
new file mode 100644
index 00000000000..5274b5b2ba8
--- /dev/null
+++ b/modules/inskinBidAdapter.js
@@ -0,0 +1,210 @@
+import * as utils from 'src/utils';
+import { registerBidder } from 'src/adapters/bidderFactory';
+
+const BIDDER_CODE = 'inskin';
+
+const CONFIG = {
+  'inskin': {
+    'BASE_URI': 'https://mfad.inskinad.com/api/v2'
+  }
+};
+
+export const spec = {
+  code: BIDDER_CODE,
+
+  /**
+   * Determines whether or not the given bid request is valid.
+   *
+   * @param {BidRequest} bid The bid params to validate.
+   * @return boolean True if this is a valid bid, and false otherwise.
+   */
+  isBidRequestValid: function(bid) {
+    return !!(bid.params.networkId && bid.params.siteId);
+  },
+
+  /**
+   * Make a server request from the list of BidRequests.
+   *
+   * @param {validBidRequests[]} - an array of bids
+   * @return ServerRequest Info describing the request to the server.
+   */
+
+  buildRequests: function(validBidRequests) {
+    // Do we need to group by bidder? i.e. to make multiple requests for
+    // different endpoints.
+
+    let ret = {
+      method: 'POST',
+      url: '',
+      data: '',
+      bidRequest: []
+    };
+
+    if (validBidRequests.length < 1) {
+      return ret;
+    }
+
+    let ENDPOINT_URL;
+
+    const data = Object.assign({
+      placements: [],
+      time: Date.now(),
+      user: {},
+      url: utils.getTopWindowUrl(),
+      referrer: document.referrer,
+      enableBotFiltering: true,
+      includePricingData: true,
+      parallel: true
+    }, validBidRequests[0].params);
+
+    validBidRequests.map(bid => {
+      let config = CONFIG[bid.bidder];
+      ENDPOINT_URL = config.BASE_URI;
+
+      const placement = Object.assign({
+        divName: bid.bidId,
+        adTypes: bid.adTypes || getSize(bid.sizes),
+        eventIds: [40, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, 295]
+      }, bid.params);
+
+      placement.adTypes.push(5, 9, 163, 2163, 3006);
+
+      if (placement.networkId && placement.siteId) {
+        data.placements.push(placement);
+      }
+    });
+
+    ret.data = JSON.stringify(data);
+    ret.bidRequest = validBidRequests;
+    ret.url = ENDPOINT_URL;
+
+    return ret;
+  },
+
+  /**
+   * Unpack the response from the server into a list of bids.
+   *
+   * @param {*} serverResponse A successful response from the server.
+   * @return {Bid[]} An array of bids which were nested inside the server.
+   */
+  interpretResponse: function(serverResponse, bidRequest) {
+    let bid;
+    let bids;
+    let bidId;
+    let bidObj;
+    let bidResponses = [];
+    let bidsMap = {};
+
+    bids = bidRequest.bidRequest;
+
+    serverResponse = (serverResponse || {}).body;
+    for (let i = 0; i < bids.length; i++) {
+      bid = {};
+      bidObj = bids[i];
+      bidId = bidObj.bidId;
+
+      bidsMap[bidId] = bidObj;
+
+      if (serverResponse) {
+        const decision = serverResponse.decisions && serverResponse.decisions[bidId];
+        const price = decision && decision.pricing && decision.pricing.clearPrice;
+
+        if (decision && price) {
+          bid.requestId = bidId;
+          bid.cpm = price;
+          bid.width = decision.width;
+          bid.height = decision.height;
+          bid.ad = retrieveAd(bidId, decision);
+          bid.currency = 'USD';
+          bid.creativeId = decision.adId;
+          bid.ttl = 360;
+          bid.netRevenue = true;
+          bid.referrer = utils.getTopWindowUrl();
+
+          bidResponses.push(bid);
+        }
+      }
+    }
+
+    if (bidResponses.length) {
+      window.addEventListener('message', function(e) {
+        if (!e.data || e.data.from !== 'ism-bid') {
+          return;
+        }
+
+        const decision = serverResponse.decisions && serverResponse.decisions[e.data.bidId];
+        if (!decision) {
+          return;
+        }
+
+        const id = 'ism_tag_' + Math.floor((Math.random() * 10e16));
+        window[id] = {
+          bidId: e.data.bidId,
+          serverResponse
+        };
+        const script = document.createElement('script');
+        script.src = 'https://cdn.inskinad.com/isfe/publishercode/' + bidsMap[e.data.bidId].params.siteId + '/default.js?autoload&id=' + id;
+        document.getElementsByTagName('head')[0].appendChild(script);
+      });
+    }
+
+    return bidResponses;
+  },
+
+  getUserSyncs: function(syncOptions) {
+    return [];
+  }
+};
+
+const sizeMap = [
+  null,
+  '120x90',
+  '120x90',
+  '468x60',
+  '728x90',
+  '300x250',
+  '160x600',
+  '120x600',
+  '300x100',
+  '180x150',
+  '336x280',
+  '240x400',
+  '234x60',
+  '88x31',
+  '120x60',
+  '120x240',
+  '125x125',
+  '220x250',
+  '250x250',
+  '250x90',
+  '0x0',
+  '200x90',
+  '300x50',
+  '320x50',
+  '320x480',
+  '185x185',
+  '620x45',
+  '300x125',
+  '800x250'
+];
+
+sizeMap[77] = '970x90';
+sizeMap[123] = '970x250';
+sizeMap[43] = '300x600';
+
+function getSize(sizes) {
+  const result = [];
+  sizes.forEach(function(size) {
+    const index = sizeMap.indexOf(size[0] + 'x' + size[1]);
+    if (index >= 0) {
+      result.push(index);
+    }
+  });
+  return result;
+}
+
+function retrieveAd(bidId, decision) {
+  return "<script>window.top.postMessage({from: 'ism-bid', bidId: '" + bidId + "'}, '*');\x3c/script>" + utils.createTrackPixelHtml(decision.impressionUrl);
+}
+
+registerBidder(spec);
diff --git a/modules/inskinBidAdapter.md b/modules/inskinBidAdapter.md
new file mode 100644
index 00000000000..2284124dc98
--- /dev/null
+++ b/modules/inskinBidAdapter.md
@@ -0,0 +1,30 @@
+# Overview
+
+Module Name: InSkin Bid Adapter
+
+Module Type: Bid Adapter
+
+Maintainer: jgrimes@adzerk.com
+
+# Description
+
+Connects to InSkin Media for receiving bids from configured demand sources.
+
+# Test Parameters
+```javascript
+    var adUnits = [
+        {
+            code: 'test-ad-1',
+            sizes: [[300, 250]],
+            bids: [
+                {
+                    bidder: 'inskin',
+                    params: {
+                        networkId: '9874',
+                        siteId: '983808'
+                    }
+                }
+            ]
+        }
+    ];
+```
diff --git a/test/spec/modules/inskinBidAdapter_spec.js b/test/spec/modules/inskinBidAdapter_spec.js
new file mode 100644
index 00000000000..ee5064dca5a
--- /dev/null
+++ b/test/spec/modules/inskinBidAdapter_spec.js
@@ -0,0 +1,253 @@
+import { expect } from 'chai';
+import { spec } from 'modules/inskinBidAdapter';
+
+var bidFactory = require('src/bidfactory.js');
+
+const ENDPOINT = 'https://mfad.inskinad.com/api/v2';
+
+const REQUEST = {
+  'bidderCode': 'inskin',
+  'requestId': 'a4713c32-3762-4798-b342-4ab810ca770d',
+  'bidderRequestId': '109f2a181342a9',
+  'bidRequest': [{
+    'bidder': 'inskin',
+    'params': {
+      'networkId': 9874,
+      'siteId': 730181
+    },
+    'placementCode': 'div-gpt-ad-1487778092495-0',
+    'sizes': [
+      [728, 90],
+      [970, 90]
+    ],
+    'bidId': '2b0f82502298c9',
+    'bidderRequestId': '109f2a181342a9',
+    'requestId': 'a4713c32-3762-4798-b342-4ab810ca770d'
+  },
+  {
+    'bidder': 'inskin',
+    'params': {
+      'networkId': 9874,
+      'siteId': 730181
+    },
+    'placementCode': 'div-gpt-ad-1487778092495-0',
+    'sizes': [
+      [728, 90],
+      [970, 90]
+    ],
+    'bidId': '123',
+    'bidderRequestId': '109f2a181342a9',
+    'requestId': 'a4713c32-3762-4798-b342-4ab810ca770d'
+  }],
+  'start': 1487883186070,
+  'auctionStart': 1487883186069,
+  'timeout': 3000
+};
+
+const RESPONSE = {
+  'headers': null,
+  'body': {
+    'user': { 'key': 'ue1-2d33e91b71e74929b4aeecc23f4376f1' },
+    'decisions': {
+      '2b0f82502298c9': {
+        'adId': 2364764,
+        'creativeId': 1950991,
+        'flightId': 2788300,
+        'campaignId': 542982,
+        'clickUrl': 'https://mfad.inskinad.com/r',
+        'impressionUrl': 'https://mfad.inskinad.com/i.gif',
+        'contents': [{
+          'type': 'html',
+          'body': '<html></html>',
+          'data': {
+            'height': 90,
+            'width': 728,
+            'imageUrl': 'https://static.adzerk.net/Advertisers/b0ab77db8a7848c8b78931aed022a5ef.gif',
+            'fileName': 'b0ab77db8a7848c8b78931aed022a5ef.gif'
+          },
+          'template': 'image'
+        }],
+        'height': 90,
+        'width': 728,
+        'events': [],
+        'pricing': {'price': 0.5, 'clearPrice': 0.5, 'revenue': 0.0005, 'rateType': 2, 'eCPM': 0.5}
+      },
+      '123': {
+        'adId': 2364764,
+        'creativeId': 1950991,
+        'flightId': 2788300,
+        'campaignId': 542982,
+        'clickUrl': 'https://mfad.inskinad.com/r',
+        'impressionUrl': 'https://mfad.inskinad.com/i.gif',
+        'contents': [{
+          'type': 'html',
+          'body': '<html></html>',
+          'data': {
+            'height': 90,
+            'width': 728,
+            'imageUrl': 'https://static.adzerk.net/Advertisers/b0ab77db8a7848c8b78931aed022a5ef.gif',
+            'fileName': 'b0ab77db8a7848c8b78931aed022a5ef.gif'
+          },
+          'template': 'image'
+        }],
+        'height': 90,
+        'width': 728,
+        'events': [],
+        'pricing': {'price': 0.5, 'clearPrice': 0.5, 'revenue': 0.0005, 'rateType': 2, 'eCPM': 0.5}
+      }
+    }
+  }
+};
+
+describe('InSkin BidAdapter', () => {
+  let bidRequests;
+  let adapter = spec;
+
+  beforeEach(() => {
+    bidRequests = [
+      {
+        bidder: 'inskin',
+        params: {
+          networkId: '9874',
+          siteId: 'xxxxx'
+        },
+        placementCode: 'header-bid-tag-1',
+        sizes: [[300, 250], [300, 600]],
+        bidId: '23acc48ad47af5',
+        requestId: '0fb4905b-9456-4152-86be-c6f6d259ba99',
+        bidderRequestId: '1c56ad30b9b8ca8',
+        transactionId: '92489f71-1bf2-49a0-adf9-000cea934729'
+      }
+    ];
+  });
+
+  describe('bid request validation', () => {
+    it('should accept valid bid requests', () => {
+      let bid = {
+        bidder: 'inskin',
+        params: {
+          networkId: '9874',
+          siteId: 'xxxxx'
+        }
+      };
+      expect(spec.isBidRequestValid(bid)).to.equal(true);
+    });
+
+    it('should accept valid bid requests with extra fields', () => {
+      let bid = {
+        bidder: 'inskin',
+        params: {
+          networkId: '9874',
+          siteId: 'xxxxx',
+          zoneId: 'xxxxx'
+        }
+      };
+      expect(spec.isBidRequestValid(bid)).to.equal(true);
+    });
+
+    it('should reject bid requests without siteId', () => {
+      let bid = {
+        bidder: 'inskin',
+        params: {
+          networkId: '9874'
+        }
+      };
+      expect(spec.isBidRequestValid(bid)).to.equal(false);
+    });
+
+    it('should reject bid requests without networkId', () => {
+      let bid = {
+        bidder: 'inskin',
+        params: {
+          siteId: '9874'
+        }
+      };
+      expect(spec.isBidRequestValid(bid)).to.equal(false);
+    });
+  });
+
+  describe('buildRequests validation', () => {
+    it('creates request data', () => {
+      let request = spec.buildRequests(bidRequests);
+
+      expect(request).to.exist.and.to.be.a('object');
+    });
+
+    it('request to inskin should contain a url', () => {
+      let request = spec.buildRequests(bidRequests);
+
+      expect(request.url).to.have.string('inskinad.com');
+    });
+
+    it('requires valid bids to make request', () => {
+      let request = spec.buildRequests([]);
+      expect(request.bidRequest).to.be.empty;
+    });
+
+    it('sends bid request to ENDPOINT via POST', () => {
+      let request = spec.buildRequests(bidRequests);
+
+      expect(request.method).to.have.string('POST');
+    });
+  });
+  describe('interpretResponse validation', () => {
+    it('response should have valid bidderCode', () => {
+      let bidRequest = spec.buildRequests(REQUEST.bidRequest);
+      let bid = bidFactory.createBid(1, bidRequest.bidRequest[0]);
+
+      expect(bid.bidderCode).to.equal('inskin');
+    });
+
+    it('response should include objects for all bids', () => {
+      let bids = spec.interpretResponse(RESPONSE, REQUEST);
+
+      expect(bids.length).to.equal(2);
+    });
+
+    it('registers bids', () => {
+      let bids = spec.interpretResponse(RESPONSE, REQUEST);
+      bids.forEach(b => {
+        expect(b).to.have.property('cpm');
+        expect(b.cpm).to.be.above(0);
+        expect(b).to.have.property('requestId');
+        expect(b).to.have.property('cpm');
+        expect(b).to.have.property('width');
+        expect(b).to.have.property('height');
+        expect(b).to.have.property('ad');
+        expect(b).to.have.property('currency', 'USD');
+        expect(b).to.have.property('creativeId');
+        expect(b).to.have.property('ttl', 360);
+        expect(b).to.have.property('netRevenue', true);
+        expect(b).to.have.property('referrer');
+      });
+    });
+
+    it('handles nobid responses', () => {
+      let EMPTY_RESP = Object.assign({}, RESPONSE, {'body': {'decisions': null}})
+      let bids = spec.interpretResponse(EMPTY_RESP, REQUEST);
+
+      expect(bids).to.be.empty;
+    });
+
+    it('handles no server response', () => {
+      let bids = spec.interpretResponse(null, REQUEST);
+
+      expect(bids).to.be.empty;
+    });
+  });
+  describe('getUserSyncs', () => {
+    let syncOptions = {'iframeEnabled': true};
+
+    it('handles empty sync options', () => {
+      let opts = spec.getUserSyncs({});
+
+      expect(opts).to.be.empty;
+    });
+
+    it('should always return empty array', () => {
+      let opts = spec.getUserSyncs(syncOptions);
+
+      expect(opts).to.be.empty;
+    });
+  });
+});