diff --git a/modules/kueezRtbBidAdapter.js b/modules/kueezRtbBidAdapter.js
index c0fb17672af..60eced6a490 100644
--- a/modules/kueezRtbBidAdapter.js
+++ b/modules/kueezRtbBidAdapter.js
@@ -5,7 +5,8 @@ import {
   createBuildRequestsFn,
   createInterpretResponseFn,
   createUserSyncGetter,
-  isBidRequestValid
+  isBidRequestValid,
+  tryParseJSON
 } from '../libraries/vidazooUtils/bidderUtils.js';
 
 const GVLID = 1165;
@@ -14,40 +15,63 @@ const BIDDER_CODE = 'kueezrtb';
 const BIDDER_VERSION = '1.0.0';
 export const storage = getStorageManager({bidderCode: BIDDER_CODE});
 
+export const spec = {
+  code: BIDDER_CODE,
+  version: BIDDER_VERSION,
+  gvlid: GVLID,
+  supportedMediaTypes: [BANNER, VIDEO],
+  isBidRequestValid,
+  buildRequests: createBuildRequestsFn(createDomain, createUniqueRequestData, storage, BIDDER_CODE, BIDDER_VERSION, false),
+  interpretResponse: createInterpretResponseFn(BIDDER_CODE, false),
+  getUserSyncs: createUserSyncGetter({
+    iframeSyncUrl: 'https://sync.kueezrtb.com/api/sync/iframe',
+    imageSyncUrl: 'https://sync.kueezrtb.com/api/sync/image'
+  }),
+  createFirstPartyData,
+};
+
 export function createDomain(subDomain = DEFAULT_SUB_DOMAIN) {
   return `https://${subDomain}.kueezrtb.com`;
 }
 
-function createUniqueRequestData(hashUrl, bid) {
-  const {
-    auctionId,
-    transactionId,
-  } = bid;
+export function getAndSetFirstPartyData() {
+  if (!storage.hasLocalStorage()) {
+    return;
+  }
+  let fdata = tryParseJSON(storage.getDataFromLocalStorage('_iiq_fdata'));
+  if (!fdata) {
+    fdata = spec.createFirstPartyData();
+    storage.setDataInLocalStorage('_iiq_fdata', JSON.stringify(fdata));
+  }
+  return fdata;
+}
 
+export function createFirstPartyData() {
   return {
-    auctionId,
-    transactionId,
+    pcid: getFirstPartyUUID(), pcidDate: Date.now(),
   };
 }
 
-const buildRequests = createBuildRequestsFn(createDomain, createUniqueRequestData, storage, BIDDER_CODE, BIDDER_VERSION, false);
-
-const interpretResponse = createInterpretResponseFn(BIDDER_CODE, false);
-
-const getUserSyncs = createUserSyncGetter({
-  iframeSyncUrl: 'https://sync.kueezrtb.com/api/sync/iframe',
-  imageSyncUrl: 'https://sync.kueezrtb.com/api/sync/image'
-});
-
-export const spec = {
-  code: BIDDER_CODE,
-  version: BIDDER_VERSION,
-  gvlid: GVLID,
-  supportedMediaTypes: [BANNER, VIDEO],
-  isBidRequestValid,
-  buildRequests,
-  interpretResponse,
-  getUserSyncs
+function getFirstPartyUUID() {
+  let d = new Date().getTime();
+  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
+    const r = (d + Math.random() * 16) % 16 | 0;
+    d = Math.floor(d / 16);
+    return (c === 'x' ? r : (r & 0x3) | 0x8).toString(16);
+  });
 };
 
+function createUniqueRequestData(hashUrl, bid) {
+  const {auctionId, transactionId} = bid;
+  const fdata = getAndSetFirstPartyData();
+  return {
+    auctionId,
+    transactionId,
+    ...(fdata && {
+      iiqpcid: fdata.pcid,
+      iiqpcidDate: fdata.pcidDate
+    })
+  };
+}
+
 registerBidder(spec);
diff --git a/test/spec/modules/kueezRtbBidAdapter_spec.js b/test/spec/modules/kueezRtbBidAdapter_spec.js
index 2df5e299aeb..d3323a205b3 100644
--- a/test/spec/modules/kueezRtbBidAdapter_spec.js
+++ b/test/spec/modules/kueezRtbBidAdapter_spec.js
@@ -2,7 +2,9 @@ import {expect} from 'chai';
 import {
   spec as adapter,
   createDomain,
-  storage
+  storage,
+  getAndSetFirstPartyData,
+  createFirstPartyData,
 } from 'modules/kueezRtbBidAdapter.js';
 import * as utils from 'src/utils.js';
 import {version} from 'package.json';
@@ -251,6 +253,7 @@ describe('KueezRtbBidAdapter', function () {
 
   describe('build requests', function () {
     let sandbox;
+    let createFirstPartyDataStub;
     before(function () {
       $$PREBID_GLOBAL$$.bidderSettings = {
         kueezrtb: {
@@ -259,6 +262,10 @@ describe('KueezRtbBidAdapter', function () {
       };
       sandbox = sinon.sandbox.create();
       sandbox.stub(Date, 'now').returns(1000);
+      createFirstPartyDataStub = sandbox.stub(adapter, 'createFirstPartyData').returns({
+        pcid: 'pcid',
+        pcidDate: 1000
+      });
     });
 
     it('should build video request', function () {
@@ -295,6 +302,8 @@ describe('KueezRtbBidAdapter', function () {
           referrer: 'https://www.somereferrer.com',
           res: `${window.top.screen.width}x${window.top.screen.height}`,
           schain: VIDEO_BID.schain,
+          iiqpcid: 'pcid',
+          iiqpcidDate: 1000,
           sizes: ['545x307'],
           sua: {
             'source': 2,
@@ -363,6 +372,8 @@ describe('KueezRtbBidAdapter', function () {
           auctionId: 'auction_id',
           bidRequestsCount: 4,
           bidderRequestsCount: 3,
+          iiqpcid: 'pcid',
+          iiqpcidDate: 1000,
           bidderWinsCount: 1,
           bidderTimeout: 3000,
           bidderRequestId: '1fdb5ff1b6eaa7',
@@ -668,4 +679,36 @@ describe('KueezRtbBidAdapter', function () {
       expect(parsed).to.be.equal(value);
     });
   });
+
+  describe('First party data', () => {
+    before(function () {
+      $$PREBID_GLOBAL$$.bidderSettings = {
+        kueezrtb: {
+          storageAllowed: true
+        }
+      };
+    });
+    after(function () {
+      $$PREBID_GLOBAL$$.bidderSettings = {};
+      storage.removeDataFromLocalStorage('_iiq_fdata');
+    })
+
+    it('should create first party data', function () {
+      const data = createFirstPartyData();
+      expect(data).to.have.property('pcid');
+      expect(data).to.have.property('pcidDate');
+    });
+
+    it('should get and set first party data', function () {
+      storage.removeDataFromLocalStorage('_iiq_fdata');
+
+      const data = getAndSetFirstPartyData();
+      expect(data).to.have.property('pcid');
+      expect(data).to.have.property('pcidDate');
+
+      const stored = storage.getDataFromLocalStorage('_iiq_fdata');
+      const parsed = tryParseJSON(stored);
+      expect(parsed).to.deep.equal(data);
+    });
+  });
 });