diff --git a/modules/gumgumBidAdapter.js b/modules/gumgumBidAdapter.js
index fdcbbd8a0f3..9b4ec41049c 100644
--- a/modules/gumgumBidAdapter.js
+++ b/modules/gumgumBidAdapter.js
@@ -83,14 +83,6 @@ function getWrapperCode(wrapper, data) {
   return wrapper.replace('AD_JSON', window.btoa(JSON.stringify(data)))
 }
 
-function _getTradeDeskIDParam(userId) {
-  const unifiedIdObj = {};
-  if (userId.tdid) {
-    unifiedIdObj.tdid = userId.tdid;
-  }
-  return unifiedIdObj;
-}
-
 function _getDigiTrustQueryParams(userId) {
   let digiTrustId = userId.digitrustid && userId.digitrustid.data;
   // Verify there is an ID and this user has not opted out
@@ -230,6 +222,29 @@ function _getFloor (mediaTypes, staticBidFloor, bid) {
   return bidFloor;
 }
 
+function getEids (userId) {
+  const idProperties = [
+    'uid',
+    'eid',
+    'lipbid'
+  ];
+
+  return Object.keys(userId).reduce(function (eids, provider) {
+    const eid = userId[provider];
+    switch (typeof eid) {
+      case 'string':
+        eids[provider] = eid;
+        break;
+
+      case 'object':
+        const idProp = idProperties.filter(prop => eid.hasOwnProperty(prop));
+        idProp.length && (eids[provider] = eid[idProp[0]]);
+        break;
+    }
+    return eids;
+  }, {});
+}
+
 /**
  * Make a server request from the list of BidRequests.
  *
@@ -253,10 +268,14 @@ function buildRequests (validBidRequests, bidderRequest) {
       ortb2Imp
     } = bidRequest;
     const { currency, floor } = _getFloor(mediaTypes, params.bidfloor, bidRequest);
+    const eids = getEids(userId);
     let sizes = [1, 1];
     let data = {};
     let gpid = '';
 
+    // ADTS-134 Retrieve ID envelopes
+    for (const eid in eids) data[eid] = eids[eid];
+
     // ADJS-1024
     if (utils.deepAccess(ortb2Imp, 'ext.data.adserver.name')) {
       gpid = ortb2Imp.ext.data.adserver.adslot
@@ -328,7 +347,7 @@ function buildRequests (validBidRequests, bidderRequest) {
       url: BID_ENDPOINT,
       method: 'GET',
       gpid: gpid,
-      data: Object.assign(data, _getBrowserParams(topWindowUrl), _getDigiTrustQueryParams(userId), _getTradeDeskIDParam(userId))
+      data: Object.assign(data, _getBrowserParams(topWindowUrl), _getDigiTrustQueryParams(userId))
     })
   });
   return bids;
diff --git a/test/spec/modules/gumgumBidAdapter_spec.js b/test/spec/modules/gumgumBidAdapter_spec.js
index 19d3309e3ee..75a9c5c975a 100644
--- a/test/spec/modules/gumgumBidAdapter_spec.js
+++ b/test/spec/modules/gumgumBidAdapter_spec.js
@@ -447,6 +447,20 @@ describe('gumgumAdapter', function () {
       const request = spec.buildRequests(bidRequests)[0];
       expect(request.data).to.not.include.any.keys('tdid');
     });
+    it('should send IDL envelope ID if available', function () {
+      const idl_env = 'abc123';
+      const request = { ...bidRequests[0], userId: { idl_env } };
+      const bidRequest = spec.buildRequests([request])[0];
+
+      expect(bidRequest.data).to.have.property('idl_env');
+      expect(bidRequest.data.idl_env).to.equal(idl_env);
+    });
+    it('should not send IDL envelope if not available', function () {
+      const request = { ...bidRequests[0] };
+      const bidRequest = spec.buildRequests([request])[0];
+
+      expect(bidRequest.data).to.not.have.property('idl_env');
+    });
     it('should send schain parameter in serialized form', function () {
       const serializedForm = '1.0,1!exchange1.com,1234,1,bid-request-1,publisher,publisher.com!exchange2.com,abcd,1,bid-request-2,intermediary,intermediary.com'
       const request = spec.buildRequests(bidRequests)[0];