From 83f4318c1ea854a68d4e8b54c716a856c9680019 Mon Sep 17 00:00:00 2001
From: Andre Gielow <andre.gielow@thetradedesk.com>
Date: Thu, 29 May 2025 13:21:41 -0400
Subject: [PATCH 1/2] Add ttd/thetradedesk alias

---
 src/main/resources/bidder-config/thetradedesk.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/main/resources/bidder-config/thetradedesk.yaml b/src/main/resources/bidder-config/thetradedesk.yaml
index b71a0e38cc2..e8b9976e786 100644
--- a/src/main/resources/bidder-config/thetradedesk.yaml
+++ b/src/main/resources/bidder-config/thetradedesk.yaml
@@ -1,6 +1,8 @@
 adapters:
   thetradedesk:
     endpoint: https://direct.adsrvr.org/bid/bidder/{{SupplyId}}
+    aliases:
+      ttd: ~
     meta-info:
       maintainer-email: Prebid-Maintainers@thetradedesk.com
       app-media-types:

From 09b5bad178c2268d51ddc75ed3469fa76ee8f75d Mon Sep 17 00:00:00 2001
From: Andre Gielow <andre.gielow@thetradedesk.com>
Date: Thu, 3 Jul 2025 18:36:31 -0400
Subject: [PATCH 2/2] arg-ttd-exception-for-malformed-endpoint

---
 .../bidder/thetradedesk/TheTradeDeskBidder.java   |  5 +++++
 .../thetradedesk/TheTradeDeskBidderTest.java      | 15 +++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/src/main/java/org/prebid/server/bidder/thetradedesk/TheTradeDeskBidder.java b/src/main/java/org/prebid/server/bidder/thetradedesk/TheTradeDeskBidder.java
index 99f5eda1ec2..e047a077599 100644
--- a/src/main/java/org/prebid/server/bidder/thetradedesk/TheTradeDeskBidder.java
+++ b/src/main/java/org/prebid/server/bidder/thetradedesk/TheTradeDeskBidder.java
@@ -89,6 +89,11 @@ public Result<List<HttpRequest<BidRequest>>> makeHttpRequests(BidRequest request
             }
         }
 
+        if (StringUtils.isBlank(sourceSupplyId) && StringUtils.isBlank(supplyId)) {
+            return Result.withError(
+                BidderError.badInput("Either supplySourceId or a default endpoint must be provided"));
+        }
+
         final BidRequest outgoingRequest = modifyRequest(request, modifiedImps, publisherId);
         final HttpRequest<BidRequest> httpRequest = BidderUtil.defaultRequest(
                 outgoingRequest,
diff --git a/src/test/java/org/prebid/server/bidder/thetradedesk/TheTradeDeskBidderTest.java b/src/test/java/org/prebid/server/bidder/thetradedesk/TheTradeDeskBidderTest.java
index 021bca5617a..a292ac6d385 100644
--- a/src/test/java/org/prebid/server/bidder/thetradedesk/TheTradeDeskBidderTest.java
+++ b/src/test/java/org/prebid/server/bidder/thetradedesk/TheTradeDeskBidderTest.java
@@ -186,6 +186,21 @@ public void makeHttpRequestsShouldReturnErrorWhenImpExtCouldNotBeParsed() {
         assertThat(result.getValue()).isEmpty();
     }
 
+    @Test
+    public void makeHttpRequestsShouldReturnErrorWhenBothSupplySourceIdAndSupplyIdAreNull() {
+        final TheTradeDeskBidder bidderWithNullSupplyId = new TheTradeDeskBidder(ENDPOINT_URL, jacksonMapper, null);
+        final BidRequest bidRequest = givenBidRequest(
+                identity(),
+                imp -> imp.ext(impExt("publisher", null)));
+
+        final Result<List<HttpRequest<BidRequest>>> result = bidderWithNullSupplyId.makeHttpRequests(bidRequest);
+
+        assertThat(result.getErrors()).hasSize(1);
+        assertThat(result.getErrors().getFirst().getMessage())
+                .isEqualTo("Either supplySourceId or a default endpoint must be provided");
+        assertThat(result.getValue()).isEmpty();
+    }
+
     @Test
     public void makeHttpRequestsShouldReturnSiteWithExtImpPublisherWhenSiteAndAppArePresent() {
         final BidRequest bidRequest = givenBidRequest(