diff --git a/modules/33acrossBidAdapter.js b/modules/33acrossBidAdapter.js
index af67bb2bf48..6b6ff7da99e 100644
--- a/modules/33acrossBidAdapter.js
+++ b/modules/33acrossBidAdapter.js
@@ -18,6 +18,7 @@ import { BANNER, VIDEO } from '../src/mediaTypes.js';
 const BIDDER_CODE = '33across';
 const END_POINT = 'https://ssc.33across.com/api/v1/hb';
 const SYNC_ENDPOINT = 'https://ssc-cms.33across.com/ps/?m=xch&rt=html&ru=deb';
+const GVLID = 58;
 
 const CURRENCY = 'USD';
 const GUID_PATTERN = /^[a-zA-Z0-9_-]{22}$/;
@@ -735,6 +736,7 @@ export const spec = {
 
   code: BIDDER_CODE,
   supportedMediaTypes: [ BANNER, VIDEO ],
+  gvlid: GVLID,
   isBidRequestValid,
   buildRequests,
   interpretResponse,
diff --git a/modules/smaatoBidAdapter.js b/modules/smaatoBidAdapter.js
index 68334aed0ab..1764ac11117 100644
--- a/modules/smaatoBidAdapter.js
+++ b/modules/smaatoBidAdapter.js
@@ -5,8 +5,45 @@ import {ADPOD, BANNER, VIDEO} from '../src/mediaTypes.js';
 
 const BIDDER_CODE = 'smaato';
 const SMAATO_ENDPOINT = 'https://prebid.ad.smaato.net/oapi/prebid';
-const SMAATO_CLIENT = 'prebid_js_$prebid.version$_1.6'
+const SMAATO_CLIENT = 'prebid_js_$prebid.version$_1.6';
 const CURRENCY = 'USD';
+const CLIENT = 'prebid_js_$prebid.version$_1.1';
+const GVLID = 82;
+
+/**
+* Transform BidRequest to OpenRTB-formatted BidRequest Object
+* @param {Array<BidRequest>} validBidRequests
+* @param {any} bidderRequest
+* @returns {string}
+*/
+const buildOpenRtbBidRequestPayload = (validBidRequests, bidderRequest) => {
+  /**
+   * Turn incoming prebid sizes into openRtb format mapping.
+   * @param {*} sizes in format [[10, 10], [20, 20]]
+   * @returns array of openRtb format mappings [{w: 10, h: 10}, {w: 20, h: 20}]
+   */
+  const parseSizes = (sizes) => {
+    return sizes.map((size) => {
+      return {w: size[0], h: size[1]};
+    })
+  }
+
+  const imp = validBidRequests.map(br => {
+    const bannerMediaType = utils.deepAccess(br, 'mediaTypes.banner');
+    const videoMediaType = utils.deepAccess(br, 'mediaTypes.video');
+    let result = {
+      id: br.bidId,
+      tagid: utils.deepAccess(br, 'params.adspaceId')
+    }
+
+    if (bannerMediaType) {
+      const sizes = parseSizes(utils.getAdUnitSizes(br));
+      result.banner = {
+        w: sizes[0].w,
+        h: sizes[0].h,
+        format: sizes
+      }
+    }
 
 const buildOpenRtbBidRequest = (bidRequest, bidderRequest) => {
   const requestTemplate = {
@@ -110,6 +147,7 @@ const buildServerRequest = (validBidRequest, data) => {
 export const spec = {
   code: BIDDER_CODE,
   supportedMediaTypes: [BANNER, VIDEO],
+  gvlid: GVLID,
 
   /**
    * Determines whether or not the given bid request is valid.