diff --git a/modules/BTBidAdapter.js b/modules/BTBidAdapter.js
index 657491adb17..e789ec996da 100644
--- a/modules/BTBidAdapter.js
+++ b/modules/BTBidAdapter.js
@@ -6,8 +6,9 @@ import { ortbConverter } from '../libraries/ortbConverter/converter.js';
 
 const BIDDER_CODE = 'blockthrough';
 const GVLID = 815;
-const ENDPOINT_URL = 'https://pbs.btloader.com/openrtb2/auction';
-const SYNC_URL = 'https://cdn.btloader.com/user_sync.html';
+// reach out for approval to marketing@blockthrough.com
+const ENDPOINT_URL = 'https://pbs.sample.com';
+const SYNC_URL = 'https://cdn.sample.com';
 
 const CONVERTER = ortbConverter({
   context: {
@@ -32,16 +33,7 @@ function imp(buildImp, bidRequest, context) {
   const { params, ortb2Imp } = bidRequest;
 
   if (params) {
-    const { blockthrough, ...btBidderParams } = params;
-
-    deepSetValue(imp, 'ext', btBidderParams);
-    if (blockthrough?.auctionID) {
-      deepSetValue(
-        imp,
-        'ext.prebid.blockthrough.auctionID',
-        blockthrough.auctionID
-      );
-    }
+    deepSetValue(imp, 'ext', params);
   }
   if (ortb2Imp?.ext.gpid) {
     deepSetValue(imp, 'gpid', ortb2Imp.ext.gpid);
diff --git a/modules/BTBidAdapter.md b/modules/BTBidAdapter.md
index 7897cee1a2a..1d89fec5197 100644
--- a/modules/BTBidAdapter.md
+++ b/modules/BTBidAdapter.md
@@ -18,7 +18,7 @@ The BT adapter requires setup and approval from the Blockthrough team. Please re
 
 # Bidder Config
 
-Make sure to set ab, orgID, websiteID values received after approval using `pbjs.setBidderConfig`.
+Make sure to set required ab, orgID, websiteID values received after approval using `pbjs.setBidderConfig`.
 
 ## Example
 
diff --git a/test/spec/modules/BTBidAdapte_spec.js b/test/spec/modules/BTBidAdapte_spec.js
index c2671970268..f756b3ef7aa 100644
--- a/test/spec/modules/BTBidAdapte_spec.js
+++ b/test/spec/modules/BTBidAdapte_spec.js
@@ -16,7 +16,7 @@ import 'modules/gppControl_usnat.js';
 import 'modules/schain.js';
 
 describe('BT Bid Adapter', () => {
-  const ENDPOINT_URL = 'https://pbs.btloader.com/openrtb2/auction';
+  const ENDPOINT_URL = 'https://pbs.sample.com';
   const validBidRequests = [
     {
       bidId: '2e9f38ea93bb9e',
@@ -24,9 +24,6 @@ describe('BT Bid Adapter', () => {
       adUnitCode: 'adunit-code',
       mediaTypes: { [BANNER]: { sizes: [[300, 250]] } },
       params: {
-        blockthrough: {
-          auctionID: 'auctionID',
-        },
         bidderA: {
           pubId: '11111',
         },
@@ -78,9 +75,6 @@ describe('BT Bid Adapter', () => {
         bidderA: {
           pubId: '11111',
         },
-        prebid: {
-          blockthrough: { auctionID: 'auctionID' },
-        },
       };
 
       const requests = spec.buildRequests(validBidRequests, bidderRequest);
@@ -152,7 +146,7 @@ describe('BT Bid Adapter', () => {
   });
 
   describe('getUserSyncs', () => {
-    const SYNC_URL = 'https://cdn.btloader.com/user_sync.html';
+    const SYNC_URL = 'https://cdn.sample.com/';
 
     it('should return an empty array if no sync options are provided', () => {
       const syncs = spec.getUserSyncs({}, [], null, null, null);