diff --git a/modules/ablidaBidAdapter.js b/modules/ablidaBidAdapter.js
new file mode 100644
index 00000000000..33642a1ac9e
--- /dev/null
+++ b/modules/ablidaBidAdapter.js
@@ -0,0 +1,93 @@
+import * as utils from '../src/utils';
+import {config} from '../src/config';
+import {registerBidder} from '../src/adapters/bidderFactory';
+
+const BIDDER_CODE = 'ablida';
+const ENDPOINT_URL = 'https://bidder.ablida.net/prebid';
+
+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.placementId);
+  },
+
+  /**
+   * Make a server request from the list of BidRequests.
+   *
+   * @return Array Info describing the request to the server.
+   * @param validBidRequests
+   * @param bidderRequest
+   */
+  buildRequests: function (validBidRequests, bidderRequest) {
+    if (validBidRequests.length === 0) {
+      return [];
+    }
+    return validBidRequests.map(bidRequest => {
+      const sizes = utils.parseSizesInput(bidRequest.sizes)[0];
+      const size = sizes.split('x');
+      const jaySupported = 'atob' in window && 'currentScript' in document;
+      const device = getDevice();
+      const payload = {
+        placementId: bidRequest.params.placementId,
+        width: size[0],
+        height: size[1],
+        bidId: bidRequest.bidId,
+        categories: bidRequest.params.categories,
+        referer: bidderRequest.refererInfo.referer,
+        jaySupported: jaySupported,
+        device: device
+      };
+      return {
+        method: 'POST',
+        url: ENDPOINT_URL,
+        data: payload
+      };
+    });
+  },
+
+  /**
+   * Unpack the response from the server into a list of bids.
+   *
+   * @param {ServerResponse} serverResponse A successful response from the server.
+   * @param bidRequest
+   * @return {Bid[]} An array of bids which were nested inside the server.
+   */
+  interpretResponse: function (serverResponse, bidRequest) {
+    const bidResponses = [];
+    const response = serverResponse.body;
+
+    response.forEach(function(bid) {
+      bid.ttl = config.getConfig('_bidderTimeout');
+      bidResponses.push(bid);
+    });
+    return bidResponses;
+  },
+};
+
+function getDevice() {
+  const ua = navigator.userAgent;
+  const topWindow = window.top;
+  if ((/(ipad|xoom|sch-i800|playbook|silk|tablet|kindle)|(android(?!.*mobi))/i).test(ua)) {
+    return 'tablet';
+  }
+  if ((/(smart[-]?tv|hbbtv|appletv|googletv|hdmi|netcast\.tv|viera|nettv|roku|\bdtv\b|sonydtv|inettvbrowser|\btv\b)/i).test(ua)) {
+    return 'connectedtv';
+  }
+  if ((/Mobile|iP(hone|od|ad)|Android|BlackBerry|IEMobile|Kindle|NetFront|Windows\sCE|Silk-Accelerated|(hpw|web)OS|Fennec|Minimo|Opera M(obi|ini)|Blazer|Dolfin|Dolphin|Skyfire|Zune/i).test(ua)) {
+    return 'smartphone';
+  }
+  const width = topWindow.innerWidth || topWindow.document.documentElement.clientWidth || topWindow.document.body.clientWidth;
+  if (width > 320) {
+    return 'desktop';
+  }
+  return 'other';
+}
+
+registerBidder(spec);
diff --git a/modules/ablidaBidAdapter.md b/modules/ablidaBidAdapter.md
new file mode 100644
index 00000000000..70e6576cd30
--- /dev/null
+++ b/modules/ablidaBidAdapter.md
@@ -0,0 +1,32 @@
+# Overview
+
+**Module Name**: Ablida Bidder Adapter
+**Module Type**: Bidder Adapter
+**Maintainer**: d.kuster@ablida.de
+
+# Description
+
+Module that connects to Ablida's bidder for bids.
+
+# Test Parameters
+```
+    var adUnits = [
+           {
+               code: 'ad-div',
+               mediaTypes: {
+                   banner: {
+                       sizes: [[300, 250]],
+                   }
+               },
+               bids: [
+                   {
+                       bidder: 'ablida',
+                       params: {
+                           placementId: 'mediumrectangle-demo',
+                           categories: ['automotive', 'news-and-politics'] // optional: categories of page
+                       }
+                   }
+               ]
+           }
+       ];
+```
diff --git a/test/spec/modules/ablidaBidAdapter_spec.js b/test/spec/modules/ablidaBidAdapter_spec.js
new file mode 100644
index 00000000000..8e0424aee23
--- /dev/null
+++ b/test/spec/modules/ablidaBidAdapter_spec.js
@@ -0,0 +1,102 @@
+import {assert, expect} from 'chai';
+import {spec} from 'modules/ablidaBidAdapter';
+import {newBidder} from 'src/adapters/bidderFactory';
+
+const ENDPOINT_URL = 'https://bidder.ablida.net/prebid';
+
+describe('ablidaBidAdapter', function () {
+  const adapter = newBidder(spec);
+  describe('isBidRequestValid', function () {
+    let bid = {
+      bidder: 'ablida',
+      params: {
+        placementId: 123
+      },
+      adUnitCode: 'adunit-code',
+      sizes: [
+        [300, 250]
+      ],
+      bidId: '1234asdf1234',
+      bidderRequestId: '1234asdf1234asdf',
+      auctionId: '69e8fef8-5105-4a99-b011-d5669f3bc7f0'
+    };
+    it('should return true where required params found', function () {
+      expect(spec.isBidRequestValid(bid)).to.equal(true);
+    });
+  });
+  describe('buildRequests', function () {
+    let bidRequests = [
+      {
+        bidder: 'ablida',
+        params: {
+          placementId: 123
+        },
+        sizes: [
+          [300, 250]
+        ],
+        adUnitCode: 'adunit-code',
+        bidId: '23beaa6af6cdde',
+        bidderRequestId: '14d2939272a26a',
+        auctionId: '69e8fef8-5105-4a99-b011-d5669f3bc7f0',
+      }
+    ];
+
+    let bidderRequests = {
+      refererInfo: {
+        numIframes: 0,
+        reachedTop: true,
+        referer: 'http://example.com',
+        stack: ['http://example.com']
+      }
+    };
+
+    const request = spec.buildRequests(bidRequests, bidderRequests);
+    it('sends bid request via POST', function () {
+      expect(request[0].method).to.equal('POST');
+    });
+  });
+
+  describe('interpretResponse', function () {
+    let bidRequest = {
+      method: 'POST',
+      url: ENDPOINT_URL,
+      data: {
+        placementId: 'testPlacementId',
+        width: 300,
+        height: 200,
+        bidId: '2b8c4de0116e54',
+        jaySupported: true,
+        device: 'desktop',
+        referer: 'www.example.com'
+      }
+    };
+    let serverResponse = {
+      body: [{
+        requestId: '2b8c4de0116e54',
+        cpm: 1.00,
+        width: 300,
+        height: 250,
+        creativeId: '2b8c4de0116e54',
+        currency: 'EUR',
+        netRevenue: true,
+        ttl: 3000,
+        ad: '<script>console.log("ad");</script>'
+      }]
+    };
+    it('should get the correct bid response', function () {
+      let expectedResponse = [{
+        requestId: '2b8c4de0116e54',
+        cpm: 1.00,
+        width: 300,
+        height: 250,
+        creativeId: '2b8c4de0116e54',
+        currency: 'EUR',
+        netRevenue: true,
+        ttl: 3000,
+        ad: '<script>console.log("ad");</script>'
+      }];
+      let result = spec.interpretResponse(serverResponse, bidRequest[0]);
+      expect(Object.keys(result)).to.deep.equal(Object.keys(expectedResponse));
+    });
+  });
+});