diff --git a/modules/adxcgBidAdapter.js b/modules/adxcgBidAdapter.js
index 23808fa3be7..34b5ea25fb0 100644
--- a/modules/adxcgBidAdapter.js
+++ b/modules/adxcgBidAdapter.js
@@ -11,6 +11,7 @@ import includes from 'core-js/library/fn/array/includes'
  * updated for gdpr compliance on 2018.05.22 -requires gdpr compliance module
  * updated to pass aditional auction and impression level parameters. added pass for video targeting parameters
  * updated to fix native support for image width/height and icon 2019.03.17
+ * updated support for userid - pubcid,ttid 2019.05.28
  */
 
 const BIDDER_CODE = 'adxcg'
@@ -159,6 +160,14 @@ export const spec = {
     beaconParams.prebidBidIds = prebidBidIds.join(',')
     beaconParams.bidfloors = bidfloors.join(',')
 
+    if (utils.isStr(utils.deepAccess(validBidRequests, '0.userId.pubcid'))) {
+      beaconParams.pubcid = validBidRequests[0].userId.pubcid;
+    }
+
+    if (utils.isStr(utils.deepAccess(validBidRequests, '0.userId.tdid'))) {
+      beaconParams.tdid = validBidRequests[0].userId.tdid;
+    }
+
     let adxcgRequestUrl = url.format({
       protocol: secure ? 'https' : 'http',
       hostname: secure ? 'hbps.adxcg.net' : 'hbp.adxcg.net',
diff --git a/test/spec/modules/adxcgBidAdapter_spec.js b/test/spec/modules/adxcgBidAdapter_spec.js
index 0277e0ab964..5bac9523b18 100644
--- a/test/spec/modules/adxcgBidAdapter_spec.js
+++ b/test/spec/modules/adxcgBidAdapter_spec.js
@@ -133,6 +133,56 @@ describe('AdxcgAdapter', function () {
     })
   })
 
+  describe('userid pubcid should be passed to querystring', function () {
+    let bid = [{
+      'bidder': 'adxcg',
+      'params': {
+        'adzoneid': '1'
+      },
+      'adUnitCode': 'adunit-code',
+      'sizes': [[300, 250], [640, 360], [1, 1]],
+      'bidId': '84ab500420319d',
+      'bidderRequestId': '7101db09af0db2',
+      'auctionId': '1d1a030790a475',
+    }]
+
+    let bidderRequests = {};
+
+    bid[0].userId = {'pubcid': 'pubcidabcd'};
+
+    it('should send pubcid if available', function () {
+      let request = spec.buildRequests(bid, bidderRequests)
+      let parsedRequestUrl = url.parse(request.url)
+      let query = parsedRequestUrl.search
+      expect(query.pubcid).to.equal('pubcidabcd')
+    })
+  })
+
+  describe('userid tdid should be passed to querystring', function () {
+    let bid = [{
+      'bidder': 'adxcg',
+      'params': {
+        'adzoneid': '1'
+      },
+      'adUnitCode': 'adunit-code',
+      'sizes': [[300, 250], [640, 360], [1, 1]],
+      'bidId': '84ab500420319d',
+      'bidderRequestId': '7101db09af0db2',
+      'auctionId': '1d1a030790a475',
+    }]
+
+    let bidderRequests = {};
+
+    bid[0].userId = {'tdid': 'tdidabcd'};
+
+    it('should send pubcid if available', function () {
+      let request = spec.buildRequests(bid, bidderRequests)
+      let parsedRequestUrl = url.parse(request.url)
+      let query = parsedRequestUrl.search
+      expect(query.tdid).to.equal('tdidabcd');
+    })
+  })
+
   describe('response handler', function () {
     let BIDDER_REQUEST = {
       'bidder': 'adxcg',