diff --git a/modules/voxBidAdapter.js b/modules/voxBidAdapter.js
index acf1cc9579c..34bd46ccb98 100644
--- a/modules/voxBidAdapter.js
+++ b/modules/voxBidAdapter.js
@@ -4,6 +4,9 @@ import {BANNER, VIDEO} from '../src/mediaTypes.js';
 import {find} from '../src/polyfill.js';
 import {auctionManager} from '../src/auctionManager.js';
 import {Renderer} from '../src/Renderer.js';
+import {config} from '../src/config.js'
+
+const { getConfig } = config;
 
 const BIDDER_CODE = 'vox';
 const SSP_ENDPOINT = 'https://ssp.hybrid.ai/auction/prebid';
@@ -11,13 +14,21 @@ const VIDEO_RENDERER_URL = 'https://acdn.adnxs.com/video/outstream/ANOutstreamVi
 const TTL = 60;
 
 function buildBidRequests(validBidRequests) {
-  return _map(validBidRequests, function(validBidRequest) {
-    const params = validBidRequest.params;
+  return _map(validBidRequests, function(bid) {
+    const currency = getConfig('currency.adServerCurrency');
+    const floorInfo = bid.getFloor ? bid.getFloor({
+      currency: currency || 'USD'
+    }) : {};
+
+    const params = bid.params;
     const bidRequest = {
-      bidId: validBidRequest.bidId,
+      floorInfo,
+      schain: bid.schain,
+      userId: bid.userId,
+      bidId: bid.bidId,
       // TODO: fix transactionId leak: https://github.com/prebid/Prebid.js/issues/9781
-      transactionId: validBidRequest.transactionId,
-      sizes: validBidRequest.sizes,
+      transactionId: bid.transactionId,
+      sizes: bid.sizes,
       placement: params.placement,
       placeId: params.placementId,
       imageUrl: params.imageUrl
diff --git a/test/spec/modules/voxBidAdapter_spec.js b/test/spec/modules/voxBidAdapter_spec.js
index 923b0465e6c..5f4ada06c65 100644
--- a/test/spec/modules/voxBidAdapter_spec.js
+++ b/test/spec/modules/voxBidAdapter_spec.js
@@ -1,5 +1,6 @@
 import { expect } from 'chai'
 import { spec } from 'modules/voxBidAdapter.js'
+import {config} from 'src/config.js'
 
 function getSlotConfigs(mediaTypes, params) {
   return {
@@ -175,6 +176,98 @@ describe('VOX Adapter', function() {
         expect(bid.transactionId).to.equal('31a58515-3634-4e90-9c96-f86196db1459')
       })
     })
+    it('should not set userid if not specified', function () {
+      const request = spec.buildRequests(validBidRequests, bidderRequest)
+      const data = JSON.parse(request.data)
+      data.bidRequests.forEach(bid => {
+        expect(bid.userId).to.be.undefined
+      })
+    })
+
+    it('should set userid if specified', function () {
+      const requests = validBidRequests.map(bid => ({
+        ...bid,
+        userId: {
+          tdid: 'TDID_USER_ID',
+          pubcid: 'PUBID_USER_ID'
+        }
+      }))
+      const request = spec.buildRequests(requests, bidderRequest)
+      const data = JSON.parse(request.data)
+      data.bidRequests.forEach(bid => {
+        expect(bid.userId.tdid).to.equal('TDID_USER_ID')
+        expect(bid.userId.pubcid).to.equal('PUBID_USER_ID')
+      })
+    })
+
+    it('should not set schain if not specified', function () {
+      const request = spec.buildRequests(validBidRequests, bidderRequest)
+      const data = JSON.parse(request.data)
+      data.bidRequests.forEach(bid => {
+        expect(bid.schain).to.be.undefined
+      })
+    })
+
+    it('should set schain if not specified', function () {
+      const requests = validBidRequests.map(bid => ({
+        ...bid,
+        schain: {
+          validation: 'strict',
+          config: {
+            ver: '1.0'
+          }
+        }
+      }))
+      const request = spec.buildRequests(requests, bidderRequest)
+      const data = JSON.parse(request.data)
+      data.bidRequests.forEach(bid => {
+        expect(bid.schain.validation).to.equal('strict')
+        expect(bid.schain.config.ver).to.equal('1.0')
+      })
+    })
+
+    describe('price floors', function () {
+      it('should be empty if floors module not configured', function () {
+        const request = spec.buildRequests(validBidRequests, bidderRequest)
+        const data = JSON.parse(request.data)
+        data.bidRequests.forEach(bid => {
+          expect(bid.floorInfo).to.be.empty
+        })
+      })
+
+      it('should add correct floor values', function () {
+        const expectedFloors = [ 2, 2.7, 1.4 ]
+        const validBidRequests = expectedFloors.map(getBidWithFloor)
+        const request = spec.buildRequests(validBidRequests, bidderRequest)
+        const data = JSON.parse(request.data)
+        expectedFloors.forEach((floor, index) => {
+          expect(data.bidRequests[index].floorInfo.floor).to.equal(floor)
+          expect(data.bidRequests[index].floorInfo.currency).to.equal('USD')
+        })
+      })
+
+      it('should request floor price in adserver currency', function () {
+        const configCurrency = 'DKK'
+        config.setConfig({ currency: { adServerCurrency: configCurrency } })
+        const request = spec.buildRequests([ getBidWithFloor() ], bidderRequest)
+        const data = JSON.parse(request.data)
+        data.bidRequests.forEach(bid => {
+          expect(bid.floorInfo.currency).to.equal(configCurrency)
+        })
+      })
+
+      function getBidWithFloor(floor) {
+        return {
+          ...validBidRequests[0],
+          getFloor: ({ currency }) => {
+            return {
+              currency: currency,
+              floor
+            }
+          }
+        }
+      }
+    })
 
     describe('GDPR params', function() {
       describe('when there are not consent management platform', function() {