diff --git a/modules/lunamediaBidAdapter.js b/modules/lunamediaBidAdapter.js
index 83be806af17..b309ef42240 100755
--- a/modules/lunamediaBidAdapter.js
+++ b/modules/lunamediaBidAdapter.js
@@ -8,8 +8,8 @@ import includes from 'core-js-pure/features/array/includes.js';
 const ADAPTER_VERSION = '1.0';
 const BIDDER_CODE = 'lunamedia';
 
-export const VIDEO_ENDPOINT = 'https://api.lunamedia.io/xp/get?pubid=';// 0cf8d6d643e13d86a5b6374148a4afac';
-export const BANNER_ENDPOINT = 'https://api.lunamedia.io/xp/get?pubid=';// 0cf8d6d643e13d86a5b6374148a4afac';
+export const VIDEO_ENDPOINT = 'https://nep.advangelists.com/xp/get?pubid=';// https://api.lunamedia.io/xp/get?pubid=0cf8d6d643e13d86a5b6374148a4afac';
+export const BANNER_ENDPOINT = 'https://nep.advangelists.com/xp/get?pubid=';// 0cf8d6d643e13d86a5b6374148a4afac';
 export const OUTSTREAM_SRC = 'https://player-cdn.beachfrontmedia.com/playerapi/loader/outstream.js';
 export const VIDEO_TARGETING = ['mimes', 'playbackmethod', 'maxduration', 'skip'];
 export const DEFAULT_MIMES = ['video/mp4', 'application/javascript'];
@@ -44,6 +44,7 @@ export const spec = {
 
     bannerBids.forEach(bid => {
       pubid = getBannerBidParam(bid, 'pubid');
+
       requests.push({
         method: 'POST',
         url: BANNER_ENDPOINT + pubid,
@@ -210,8 +211,16 @@ function createVideoRequestData(bid, bidderRequest) {
   let topLocation = getTopWindowLocation(bidderRequest);
   let topReferrer = getTopWindowReferrer();
 
-  let sizes = getVideoSizes(bid);
-  let firstSize = getFirstSize(sizes);
+  // if size is explicitly given via adapter params
+  let paramSize = getVideoBidParam(bid, 'size');
+  let sizes = [];
+
+  if (typeof paramSize !== 'undefined' && paramSize != '') {
+    sizes = parseSizes(paramSize);
+  } else {
+    sizes = getVideoSizes(bid);
+  }
+  const firstSize = getFirstSize(sizes);
 
   let video = getVideoTargetingParams(bid);
   const o = {
@@ -301,7 +310,15 @@ function createBannerRequestData(bid, bidderRequest) {
   let topLocation = getTopWindowLocation(bidderRequest);
   let topReferrer = getTopWindowReferrer();
 
-  let sizes = getBannerSizes(bid);
+  // if size is explicitly given via adapter params
+
+  let paramSize = getBannerBidParam(bid, 'size');
+  let sizes = [];
+  if (typeof paramSize !== 'undefined' && paramSize != '') {
+    sizes = parseSizes(paramSize);
+  } else {
+    sizes = getBannerSizes(bid);
+  }
 
   const o = {
     'device': {
@@ -379,5 +396,4 @@ function createBannerRequestData(bid, bidderRequest) {
 
   return o;
 }
-
 registerBidder(spec);
diff --git a/modules/lunamediaBidAdapter.md b/modules/lunamediaBidAdapter.md
index d0314d0fa41..ff5cc86c462 100755
--- a/modules/lunamediaBidAdapter.md
+++ b/modules/lunamediaBidAdapter.md
@@ -29,7 +29,8 @@ var displayAdUnit = [
         bidder: 'lunamedia',
         params: {
             pubid: '121ab139faf7ac67428a23f1d0a9a71b',
-            placement: 1234
+			placement: 1234,
+			size: "320x50"
         }
     }]
 }];
@@ -52,7 +53,8 @@ var videoAdUnit = {
       	bidder: 'lunamedia',
       	params: {
         	pubid: '121ab139faf7ac67428a23f1d0a9a71b',
-        	placement: 1234,
+			placement: 1234,
+			size: "320x480",
         	video: {
             	id: 123,
             	skip: 1,
diff --git a/test/spec/modules/lunamediaBidAdapter_spec.js b/test/spec/modules/lunamediaBidAdapter_spec.js
index fc8648bf8a0..c0809071419 100755
--- a/test/spec/modules/lunamediaBidAdapter_spec.js
+++ b/test/spec/modules/lunamediaBidAdapter_spec.js
@@ -7,9 +7,9 @@ describe('lunamediaBidAdapter', function () {
   let bidRequestsVid;
 
   beforeEach(function () {
-    bidRequests = [{'bidder': 'lunamedia', 'params': {'pubid': '0cf8d6d643e13d86a5b6374148a4afac', 'floor': 0.5, 'placement': 1234}, 'crumbs': {'pubcid': '979fde13-c71e-4ac2-98b7-28c90f99b449'}, 'mediaTypes': {'banner': {'sizes': [[300, 250]]}}, 'adUnitCode': 'div-gpt-ad-1460505748561-0', 'transactionId': 'f72931e6-2b0e-4e37-a2bc-1ea912141f81', 'sizes': [[300, 250]], 'bidId': '2aa73f571eaf29', 'bidderRequestId': '1bac84515a7af3', 'auctionId': '5dbc60fa-1aa1-41ce-9092-e6bbd4d478f7', 'src': 'client', 'bidRequestsCount': 1, 'pageurl': 'http://google.com'}];
+    bidRequests = [{'bidder': 'lunamedia', 'params': {'pubid': '0cf8d6d643e13d86a5b6374148a4afac', 'floor': 0.5, 'placement': 1234, size: '320x250'}, 'crumbs': {'pubcid': '979fde13-c71e-4ac2-98b7-28c90f99b449'}, 'mediaTypes': {'banner': {'sizes': [[300, 250]]}}, 'adUnitCode': 'div-gpt-ad-1460505748561-0', 'transactionId': 'f72931e6-2b0e-4e37-a2bc-1ea912141f81', 'sizes': [[300, 250]], 'bidId': '2aa73f571eaf29', 'bidderRequestId': '1bac84515a7af3', 'auctionId': '5dbc60fa-1aa1-41ce-9092-e6bbd4d478f7', 'src': 'client', 'bidRequestsCount': 1, 'pageurl': 'http://google.com'}];
 
-    bidRequestsVid = [{'bidder': 'lunamedia', 'params': {'pubid': '8537f00948fc37cc03c5f0f88e198a76', 'floor': 1.0, 'placement': 1234, 'video': {'id': 123, 'skip': 1, 'mimes': ['video/mp4', 'application/javascript'], 'playbackmethod': [2, 6], 'maxduration': 30}}, 'crumbs': {'pubcid': '979fde13-c71e-4ac2-98b7-28c90f99b449'}, 'mediaTypes': {'video': {'playerSize': [[320, 480]], 'context': 'instream'}}, 'adUnitCode': 'video1', 'transactionId': '8b060952-93f7-4863-af44-bb8796b97c42', 'sizes': [], 'bidId': '25c6ab92aa0e81', 'bidderRequestId': '1d420b73a013fc', 'auctionId': '9a69741c-34fb-474c-83e1-cfa003aaee17', 'src': 'client', 'bidRequestsCount': 1, 'pageurl': 'http://google.com'}];
+    bidRequestsVid = [{'bidder': 'lunamedia', 'params': {'pubid': '8537f00948fc37cc03c5f0f88e198a76', 'floor': 1.0, 'placement': 1234, size: '320x480', 'video': {'id': 123, 'skip': 1, 'mimes': ['video/mp4', 'application/javascript'], 'playbackmethod': [2, 6], 'maxduration': 30}}, 'crumbs': {'pubcid': '979fde13-c71e-4ac2-98b7-28c90f99b449'}, 'mediaTypes': {'video': {'playerSize': [[320, 480]], 'context': 'instream'}}, 'adUnitCode': 'video1', 'transactionId': '8b060952-93f7-4863-af44-bb8796b97c42', 'sizes': [], 'bidId': '25c6ab92aa0e81', 'bidderRequestId': '1d420b73a013fc', 'auctionId': '9a69741c-34fb-474c-83e1-cfa003aaee17', 'src': 'client', 'bidRequestsCount': 1, 'pageurl': 'http://google.com'}];
   });
 
   describe('spec.isBidRequestValid', function () {