diff --git a/modules/appnexusBidAdapter.js b/modules/appnexusBidAdapter.js
index f3ebf9bf4f6..ff0e3230007 100644
--- a/modules/appnexusBidAdapter.js
+++ b/modules/appnexusBidAdapter.js
@@ -157,6 +157,7 @@ export const spec = {
     const memberIdBid = find(bidRequests, hasMemberId);
     const member = memberIdBid ? parseInt(memberIdBid.params.member, 10) : 0;
     const schain = bidRequests[0].schain;
+    const omidSupport = find(bidRequests, hasOmidSupport);
 
     const payload = {
       tags: [...tags],
@@ -168,6 +169,13 @@ export const spec = {
       schain: schain
     };
 
+    if (omidSupport) {
+      payload['iab_support'] = {
+        omidpn: 'Appnexus',
+        omidpv: '$prebid.version$'
+      }
+    }
+
     if (member > 0) {
       payload.member_id = member;
     }
@@ -766,16 +774,27 @@ function bidToTag(bid) {
             type = (utils.isArray(type)) ? type[0] : type;
             tag.video[param] = VIDEO_MAPPING[param][type];
             break;
+          // Deprecating tags[].video.frameworks in favor of tags[].video_frameworks
+          case 'frameworks':
+            break;
           default:
             tag.video[param] = bid.params.video[param];
         }
       });
+
+    if (bid.params.video.frameworks && utils.isArray(bid.params.video.frameworks)) {
+      tag['video_frameworks'] = bid.params.video.frameworks;
+    }
   }
 
   if (bid.renderer) {
     tag.video = Object.assign({}, tag.video, { custom_renderer_present: true });
   }
 
+  if (bid.params.frameworks && utils.isArray(bid.params.frameworks)) {
+    tag['banner_frameworks'] = bid.params.frameworks;
+  }
+
   let adUnit = find(auctionManager.getAdUnits(), au => bid.transactionId === au.transactionId);
   if (adUnit && adUnit.mediaTypes && adUnit.mediaTypes.banner) {
     tag.ad_types.push(BANNER);
@@ -844,6 +863,19 @@ function hasAdPod(bid) {
   );
 }
 
+function hasOmidSupport(bid) {
+  let hasOmid = false;
+  const bidderParams = bid.params;
+  const videoParams = bid.params.video;
+  if (bidderParams.frameworks && utils.isArray(bidderParams.frameworks)) {
+    hasOmid = includes(bid.params.frameworks, 6);
+  }
+  if (!hasOmid && videoParams && videoParams.frameworks && utils.isArray(videoParams.frameworks)) {
+    hasOmid = includes(bid.params.video.frameworks, 6);
+  }
+  return hasOmid;
+}
+
 /**
  * Expand an adpod placement into a set of request objects according to the
  * total adpod duration and the range of duration seconds. Sets minduration/
diff --git a/test/spec/modules/appnexusBidAdapter_spec.js b/test/spec/modules/appnexusBidAdapter_spec.js
index 7b563c4ec1d..4102896ba94 100644
--- a/test/spec/modules/appnexusBidAdapter_spec.js
+++ b/test/spec/modules/appnexusBidAdapter_spec.js
@@ -829,6 +829,52 @@ describe('AppNexusAdapter', function () {
         user_id: 'sample-criteo-userid',
       });
     });
+
+    it('should populate iab_support object at the root level if omid support is detected', function () {
+      // with bid.params.frameworks
+      let bidRequest_A = Object.assign({}, bidRequests[0], {
+        params: {
+          frameworks: [1, 2, 5, 6],
+          video: {
+            frameworks: [1, 2, 5, 6]
+          }
+        }
+      });
+      let request = spec.buildRequests([bidRequest_A]);
+      let payload = JSON.parse(request.data);
+      expect(payload.iab_support).to.be.an('object');
+      expect(payload.iab_support).to.deep.equal({
+        omidpn: 'Appnexus',
+        omidpv: '$prebid.version$'
+      });
+      expect(payload.tags[0].banner_frameworks).to.be.an('array');
+      expect(payload.tags[0].banner_frameworks).to.deep.equal([1, 2, 5, 6]);
+      expect(payload.tags[0].video_frameworks).to.be.an('array');
+      expect(payload.tags[0].video_frameworks).to.deep.equal([1, 2, 5, 6]);
+      expect(payload.tags[0].video.frameworks).to.not.exist;
+
+      // without bid.params.frameworks
+      const bidRequest_B = Object.assign({}, bidRequests[0]);
+      request = spec.buildRequests([bidRequest_B]);
+      payload = JSON.parse(request.data);
+      expect(payload.iab_support).to.not.exist;
+      expect(payload.tags[0].banner_frameworks).to.not.exist;
+      expect(payload.tags[0].video_frameworks).to.not.exist;
+
+      // with video.frameworks but it is not an array
+      const bidRequest_C = Object.assign({}, bidRequests[0], {
+        params: {
+          video: {
+            frameworks: "'1', '2', '3', '6'"
+          }
+        }
+      });
+      request = spec.buildRequests([bidRequest_C]);
+      payload = JSON.parse(request.data);
+      expect(payload.iab_support).to.not.exist;
+      expect(payload.tags[0].banner_frameworks).to.not.exist;
+      expect(payload.tags[0].video_frameworks).to.not.exist;
+    });
   })
 
   describe('interpretResponse', function () {