diff --git a/src/main/java/org/prebid/server/spring/config/bidder/util/BidderDepsAssembler.java b/src/main/java/org/prebid/server/spring/config/bidder/util/BidderDepsAssembler.java
index 415a20f8ee2..d81bbc02d26 100644
--- a/src/main/java/org/prebid/server/spring/config/bidder/util/BidderDepsAssembler.java
+++ b/src/main/java/org/prebid/server/spring/config/bidder/util/BidderDepsAssembler.java
@@ -21,6 +21,7 @@
 import org.prebid.server.spring.config.bidder.model.MetaInfo;
 import org.prebid.server.spring.config.bidder.model.usersync.UsersyncConfigurationProperties;
 import org.prebid.server.spring.env.YamlPropertySourceFactory;
+import org.prebid.server.util.ObjectUtil;
 import org.springframework.boot.context.properties.bind.Binder;
 import org.springframework.boot.context.properties.source.MapConfigurationPropertySource;
 import org.springframework.core.io.InputStreamResource;
@@ -210,11 +211,17 @@ private CFG configurationAsPropertiesObject(Object configuration, Class<?> targe
     @SuppressWarnings({"unchecked", "rawtypes"})
     private CFG mergeConfigurations(CFG aliasConfiguration, CFG coreConfiguration) {
         try {
+            final Integer aliasVendorId = ObjectUtil.getIfNotNull(
+                    aliasConfiguration.getMetaInfo(), MetaInfo::getVendorId);
             final JsonNode mergedNode = JsonMergePatch
                     .fromJson(MAPPER.valueToTree(aliasConfiguration))
                     .apply(MAPPER.valueToTree(coreConfiguration));
 
-            return (CFG) MAPPER.treeToValue(mergedNode, (Class) coreConfiguration.getSelfClass());
+            final CFG mergedConfiguration = (CFG) MAPPER.treeToValue(
+                    mergedNode, (Class) coreConfiguration.getSelfClass());
+            mergedConfiguration.getMetaInfo().setVendorId(aliasVendorId);
+
+            return mergedConfiguration;
         } catch (JsonPatchException | JsonProcessingException e) {
             throw new IllegalArgumentException("Exception occurred while merging alias configuration", e);
         }
diff --git a/src/main/resources/bidder-config/adf.yaml b/src/main/resources/bidder-config/adf.yaml
index f063341e4f0..3594c997400 100644
--- a/src/main/resources/bidder-config/adf.yaml
+++ b/src/main/resources/bidder-config/adf.yaml
@@ -2,7 +2,9 @@ adapters:
   adf:
     endpoint: https://adx.adform.net/adx/openrtb
     aliases:
-      adform: ~
+      adform:
+        meta-info:
+          vendor-id: 50
     meta-info:
       maintainer-email: scope.sspp@adform.com
       app-media-types:
diff --git a/src/main/resources/bidder-config/adkernel.yaml b/src/main/resources/bidder-config/adkernel.yaml
index 264f1f3d1db..cecac5feffd 100644
--- a/src/main/resources/bidder-config/adkernel.yaml
+++ b/src/main/resources/bidder-config/adkernel.yaml
@@ -3,8 +3,12 @@ adapters:
     endpoint: http://pbs.adksrv.com/hb?zone={ZoneId}
     endpoint-compression: gzip
     aliases:
-      rxnetwork: ~
-      152media: ~
+      rxnetwork:
+        meta-info:
+          vendor-id: 0
+      152media:
+        meta-info:
+          vendor-id: 1111
       xapads:
         enabled: false
         meta-info:
diff --git a/src/main/resources/bidder-config/admatic.yaml b/src/main/resources/bidder-config/admatic.yaml
index 3085797000c..a65d6502441 100644
--- a/src/main/resources/bidder-config/admatic.yaml
+++ b/src/main/resources/bidder-config/admatic.yaml
@@ -6,24 +6,30 @@ adapters:
         enabled: false
         meta-info:
           maintainer-email: publisher@adtarget.com.tr
-        vendor-id: 779
+          vendor-id: 779
       pixad:
         enabled: false
         meta-info:
           maintainer-email: prebid@pixad.com.tr
+          vendor-id: 1281
       monetixads:
         enabled: false
         meta-info:
           maintainer-email: team@monetixads.com
+          vendor-id: 1281
       admaticde:
         enabled: false
+        meta-info:
+          vendor-id: 1281
       yobee:
         enabled: false
         meta-info:
           maintainer-email: adops@yobee.it
+          vendor-id: 1281
       netaddiction:
         meta-info:
           maintainer-email: publishers-support@netaddiction.it
+          vendor-id: 1281
     meta-info:
       maintainer-email: prebid@admatic.com.tr
       app-media-types:
diff --git a/src/main/resources/bidder-config/adtelligent.yaml b/src/main/resources/bidder-config/adtelligent.yaml
index faeb18c9bdf..8e4775294c0 100644
--- a/src/main/resources/bidder-config/adtelligent.yaml
+++ b/src/main/resources/bidder-config/adtelligent.yaml
@@ -17,25 +17,25 @@ adapters:
             - video
           site-media-types:
             - video
-          vendor-id: 0
+          vendor-id: 410
       janet:
         enabled: false
         endpoint: http://ghb.bidder.jmgads.com/pbs/ortb
         meta-info:
           maintainer-email: info@thejmg.com
-          vendor-id: 0
+          vendor-id: 410
       pgam:
         enabled: false
         endpoint: http://ghb.pgamssp.com/pbs/ortb
         meta-info:
           maintainer-email: ppatel@pgammedia.com
-          vendor-id: 0
+          vendor-id: 1353
       copper6:
         enabled: false
         endpoint: http://ghb.app.copper6.com/pbs/ortb
         meta-info:
           maintainer-email: info@copper6.com
-          vendor-id: 0
+          vendor-id: 1356
       indicue:
         enabled: false
         endpoint: http://ghb.console.indicue.com/pbs/ortb
diff --git a/src/main/resources/bidder-config/adverxo.yaml b/src/main/resources/bidder-config/adverxo.yaml
index c29792ca49f..b4fd4c5cedb 100644
--- a/src/main/resources/bidder-config/adverxo.yaml
+++ b/src/main/resources/bidder-config/adverxo.yaml
@@ -6,6 +6,8 @@ adapters:
       adport:
         enabled: false
         endpoint: https://adport.pbsadverxo.com/auction?id={adUnitId}&auth={auth}
+        meta-info:
+          vendor-id: 0
         usersync:
           enabled: false
           cookie-family-name: adport
@@ -20,6 +22,8 @@ adapters:
       bidsmind:
         enabled: false
         endpoint: https://bidsmind.pbsadverxo.com/auction?id={adUnitId}&auth={auth}
+        meta-info:
+          vendor-id: 0
         usersync:
           enabled: false
           cookie-family-name: bidsmind
@@ -34,6 +38,8 @@ adapters:
       harrenmedia:
         enabled: false
         endpoint: https://harrenmedia.pbsadverxo.com/auction?id={adUnitId}&auth={auth}
+        meta-info:
+          vendor-id: 0
         usersync:
           enabled: false
           cookie-family-name: harrenmedia
diff --git a/src/main/resources/bidder-config/apacdex.yaml b/src/main/resources/bidder-config/apacdex.yaml
index 10413148204..4f5126dbf91 100644
--- a/src/main/resources/bidder-config/apacdex.yaml
+++ b/src/main/resources/bidder-config/apacdex.yaml
@@ -3,8 +3,12 @@ adapters:
     modifying-vast-xml-allowed: false
     endpoint: http://useast.quantumdex.io/auction/pbs
     aliases:
-      quantumdex: ~
-      valueimpression: ~
+      quantumdex:
+        meta-info:
+          vendor-id: 0
+      valueimpression:
+        meta-info:
+          vendor-id: 0
     meta-info:
       maintainer-email: support@apacdex.com
       app-media-types:
diff --git a/src/main/resources/bidder-config/appnexus.yaml b/src/main/resources/bidder-config/appnexus.yaml
index 84bbd0950e5..fd469b3633b 100644
--- a/src/main/resources/bidder-config/appnexus.yaml
+++ b/src/main/resources/bidder-config/appnexus.yaml
@@ -5,6 +5,7 @@ adapters:
       mediafuse:
         meta-info:
           maintainer-email: support@mediafuse.com
+          vendor-id: 32
     meta-info:
       maintainer-email: prebid@microsoft.com
       app-media-types:
diff --git a/src/main/resources/bidder-config/aso.yaml b/src/main/resources/bidder-config/aso.yaml
index 936d8bded8a..0e702c70b66 100644
--- a/src/main/resources/bidder-config/aso.yaml
+++ b/src/main/resources/bidder-config/aso.yaml
@@ -7,6 +7,7 @@ adapters:
         endpoint: https://srv.datacygnal.io/pbs/bidder?zid={ZoneID}
         meta-info:
           maintainer-email: contact@bcm.ltd
+          vendor-id: 0
         usersync:
           cookie-family-name: bcmint
           redirect:
@@ -18,6 +19,7 @@ adapters:
         endpoint: https://srv.bidgx.com/pbs/bidder?zid={ZoneID}
         meta-info:
           maintainer-email: aso@bidgency.com
+          vendor-id: 0
         usersync:
           cookie-family-name: bidagency
           redirect:
@@ -29,6 +31,7 @@ adapters:
         endpoint: https://srv.kntxy.com/pbs/bidder?zid={ZoneID}
         meta-info:
           maintainer-email: ssp@kuantyx.com
+          vendor-id: 0
         usersync:
           cookie-family-name: kuantyx
           redirect:
diff --git a/src/main/resources/bidder-config/beyondmedia.yaml b/src/main/resources/bidder-config/beyondmedia.yaml
index 7c5859a1c39..e187f64d85a 100644
--- a/src/main/resources/bidder-config/beyondmedia.yaml
+++ b/src/main/resources/bidder-config/beyondmedia.yaml
@@ -4,6 +4,8 @@ adapters:
     aliases:
       andbeyondmedia:
         endpoint: http://backend.andbeyond.media/pserver
+        meta-info:
+          vendor-id: 0
     meta-info:
       maintainer-email: sysengg@andbeyond.media
       app-media-types:
diff --git a/src/main/resources/bidder-config/colossus.yaml b/src/main/resources/bidder-config/colossus.yaml
index 6b5b05f6425..555af9c08b0 100644
--- a/src/main/resources/bidder-config/colossus.yaml
+++ b/src/main/resources/bidder-config/colossus.yaml
@@ -5,6 +5,8 @@ adapters:
     aliases:
       colossusssp:
         enabled: false
+        meta-info:
+          vendor-id: 0
     meta-info:
       maintainer-email: support@colossusmediassp.com
       app-media-types:
diff --git a/src/main/resources/bidder-config/elementaltv.yaml b/src/main/resources/bidder-config/elementaltv.yaml
index 0d6a83cf6a9..f5e3fc8d8d8 100644
--- a/src/main/resources/bidder-config/elementaltv.yaml
+++ b/src/main/resources/bidder-config/elementaltv.yaml
@@ -3,7 +3,9 @@ adapters:
     endpoint: https://pbs.elementaltv.io/ads/processHeaderBid/{AdUnit}
     ortb-version: "2.6"
     aliases:
-      adoppler: ~
+      adoppler:
+        meta-info:
+          vendor-id: 0
     meta-info:
       maintainer-email: support@elementaltv.com
       app-media-types:
diff --git a/src/main/resources/bidder-config/emxdigital.yaml b/src/main/resources/bidder-config/emxdigital.yaml
index 84d822aa328..5cb063cf935 100644
--- a/src/main/resources/bidder-config/emxdigital.yaml
+++ b/src/main/resources/bidder-config/emxdigital.yaml
@@ -4,6 +4,8 @@ adapters:
     aliases:
       cadent_aperture_mx:
         enabled: false
+        meta-info:
+          vendor-id: 183
         # CadentAperture only operates in North America
         geoscope:
           - USA
diff --git a/src/main/resources/bidder-config/epsilon.yaml b/src/main/resources/bidder-config/epsilon.yaml
index 9b0162d7b92..b0bb08e1a33 100644
--- a/src/main/resources/bidder-config/epsilon.yaml
+++ b/src/main/resources/bidder-config/epsilon.yaml
@@ -4,6 +4,8 @@ adapters:
     ortb-version: "2.6"
     aliases:
       conversant:
+        meta-info:
+          vendor-id: 24
         usersync:
           cookie-family-name: conversant
     meta-info:
diff --git a/src/main/resources/bidder-config/freewheelssp.yaml b/src/main/resources/bidder-config/freewheelssp.yaml
index fb7e491855d..4806aa0bd8f 100644
--- a/src/main/resources/bidder-config/freewheelssp.yaml
+++ b/src/main/resources/bidder-config/freewheelssp.yaml
@@ -8,6 +8,8 @@ adapters:
         enabled: false
         endpoint: "https://prebid.v.fwmrm.net/ortb/ssp"
         endpoint-compression: gzip
+        meta-info:
+          vendor-id: 285
         usersync:
           enabled: true
           cookie-family-name: fwssp
diff --git a/src/main/resources/bidder-config/generic.yaml b/src/main/resources/bidder-config/generic.yaml
index ef6e5f3fe56..27f522099f2 100644
--- a/src/main/resources/bidder-config/generic.yaml
+++ b/src/main/resources/bidder-config/generic.yaml
@@ -4,6 +4,8 @@ adapters:
     aliases:
       genericAlias:
         enabled: false
+        meta-info:
+          vendor-id: 0
       adrino:
         enabled: false
         endpoint: https://prd-prebid-bidder.adrino.io/openrtb/bid
diff --git a/src/main/resources/bidder-config/gothamads.yaml b/src/main/resources/bidder-config/gothamads.yaml
index 9b4add5f93d..1cc2e2fe26b 100644
--- a/src/main/resources/bidder-config/gothamads.yaml
+++ b/src/main/resources/bidder-config/gothamads.yaml
@@ -7,6 +7,7 @@ adapters:
         endpoint: http://lb-east.intenze.co/?pass={AccountID}
         meta-info:
           maintainer-email: connect@intenze.co
+          vendor-id: 0
     meta-info:
       maintainer-email: support@gothamads.com
       app-media-types:
diff --git a/src/main/resources/bidder-config/imds.yaml b/src/main/resources/bidder-config/imds.yaml
index 351243b2c70..b181e54d6e6 100644
--- a/src/main/resources/bidder-config/imds.yaml
+++ b/src/main/resources/bidder-config/imds.yaml
@@ -9,6 +9,8 @@ adapters:
       synacormedia:
         deprecated-names: null # Must re-declare as empty or the deprecation error in the response is incorrect
         endpoint: "https://pbs.technoratimedia.com/openrtb/bids/{AccountID}?src={SourceId}&adapter=synacormedia"
+        meta-info:
+          vendor-id: 0
     endpoint: "https://pbs.technoratimedia.com/openrtb/bids/{AccountID}?src={SourceId}&adapter=imds"
     meta-info:
       maintainer-email: eng-demand@imds.tv
diff --git a/src/main/resources/bidder-config/limelightDigital.yaml b/src/main/resources/bidder-config/limelightDigital.yaml
index 249279d48a9..3ee8129698f 100644
--- a/src/main/resources/bidder-config/limelightDigital.yaml
+++ b/src/main/resources/bidder-config/limelightDigital.yaml
@@ -4,6 +4,8 @@ adapters:
     aliases:
       filmzie:
         enabled: false
+        meta-info:
+          vendor-id: 0
       iionads:
         enabled: false
         endpoint: http://ads-pbs.iionads.com/openrtb/{PublisherID}?host={Host}
@@ -12,6 +14,8 @@ adapters:
       evtech:
         enabled: false
         endpoint: http://ads-pbs.direct.e-volution.ai/openrtb/{PublisherID}?host={Host}
+        meta-info:
+          vendor-id: 0
         usersync:
           enabled: true
           cookie-family-name: evtech
@@ -26,38 +30,62 @@ adapters:
       adsyield:
         enabled: false
         endpoint: http://ads-pbs.open-adsyield.com/openrtb/{PublisherID}?host={Host}
+        meta-info:
+          vendor-id: 0
       greedygame:
         enabled: false
         endpoint: http://ads-pbs.rtb-greedygame.com/openrtb/{PublisherID}?host={Host}
+        meta-info:
+          vendor-id: 0
       appstock:
         enabled: false
         endpoint: http://ads-pbs.pre.vr-tb.com/openrtb/{PublisherID}?host={Host}
+        meta-info:
+          vendor-id: 0
       xtrmqb:
         enabled: false
         endpoint: http://ads-pbs.ortb.tech/openrtb/{PublisherID}?host={Host}
+        meta-info:
+          vendor-id: 0
       embimedia:
         enabled: false
         endpoint: http://ads-pbs.bidder-embi.media/openrtb/{PublisherID}?host={Host}
+        meta-info:
+          vendor-id: 0
       tgm:
         enabled: false
+        meta-info:
+          vendor-id: 0
       streamlyn:
         enabled: false
         endpoint: http://rtba.bidsxchange.com/openrtb/{PublisherID}?host={Host}
+        meta-info:
+          vendor-id: 0
       streamvision:
         enabled: false
         endpoint: http://ads-pbs.adops.streamvisionmedia.com/openrtb/{PublisherID}?host={Host}
+        meta-info:
+          vendor-id: 0
       orangeclickmedia:
         enabled: false
         endpoint: http://ads-pbs.scotty.orangeclickmedia.com/openrtb/{PublisherID}?host={Host}
+        meta-info:
+          vendor-id: 0
       velonium:
         enabled: false
         endpoint: http://ads-pbs.adxvel.com/openrtb/{PublisherID}?host={Host}
+        meta-info:
+          vendor-id: 0
       adtg_org:
         enabled: false
         endpoint: http://ads-pbs.rtb.adtarget.org/openrtb/{PublisherID}?host={Host}
+        meta-info:
+          vendor-id: 0
       performist:
         enabled: false
         endpoint: http://ads-pbs.performserv.com/openrtb/{PublisherID}
+        meta-info:
+          vendor-id: 0
     meta-info:
       maintainer-email: engineering@project-limelight.com
       app-media-types:
diff --git a/src/main/resources/bidder-config/nexx360.yaml b/src/main/resources/bidder-config/nexx360.yaml
index 234cbe35552..fbf0269423d 100644
--- a/src/main/resources/bidder-config/nexx360.yaml
+++ b/src/main/resources/bidder-config/nexx360.yaml
@@ -3,9 +3,15 @@ adapters:
     endpoint: http://fast.nexx360.io/prebid-server
     endpoint-compression: gzip
     aliases:
-      1accord: ~
-      easybid: ~
-      prismassp: ~
+      1accord:
+        meta-info:
+          vendor-id: 965
+      easybid:
+        meta-info:
+          vendor-id: 965
+      prismassp:
+        meta-info:
+          vendor-id: 965
       ybidder:
         enabled: false
         meta-info:
diff --git a/src/main/resources/bidder-config/rubicon.yaml b/src/main/resources/bidder-config/rubicon.yaml
index 8084f6d8f1f..98086b434d4 100644
--- a/src/main/resources/bidder-config/rubicon.yaml
+++ b/src/main/resources/bidder-config/rubicon.yaml
@@ -11,6 +11,8 @@ adapters:
     aliases:
       magnite:
         enabled: false
+        meta-info:
+          vendor-id: 52
     ortb:
       multiformat-supported: true
     meta-info:
diff --git a/src/main/resources/bidder-config/screencore.yaml b/src/main/resources/bidder-config/screencore.yaml
index 87331bd4abd..7d471dbd1df 100644
--- a/src/main/resources/bidder-config/screencore.yaml
+++ b/src/main/resources/bidder-config/screencore.yaml
@@ -12,4 +12,4 @@ adapters:
         - video
         - native
       supported-vendors:
-      vendor-id: 0
+      vendor-id: 1473
diff --git a/src/main/resources/bidder-config/seedingAlliance.yaml b/src/main/resources/bidder-config/seedingAlliance.yaml
index 4b85eb1b14f..a29d728e753 100644
--- a/src/main/resources/bidder-config/seedingAlliance.yaml
+++ b/src/main/resources/bidder-config/seedingAlliance.yaml
@@ -17,6 +17,8 @@ adapters:
       finative:
         enabled: false
         endpoint: https://b.finative.cloud/cds/rtb/bid?ssp={AccountId}
+        meta-info:
+          vendor-id: 371
     meta-info:
       maintainer-email: tech@seeding-alliance.de
       app-media-types:
diff --git a/src/main/resources/bidder-config/showheroes.yaml b/src/main/resources/bidder-config/showheroes.yaml
index b5fd953ac71..16fde8ec973 100644
--- a/src/main/resources/bidder-config/showheroes.yaml
+++ b/src/main/resources/bidder-config/showheroes.yaml
@@ -2,8 +2,12 @@ adapters:
   showheroes:
     endpoint: https://ads.viralize.tv/openrtb2/auction/
     aliases:
-      showheroes-bs: ~
-      showheroesBs: ~
+      showheroes-bs:
+        meta-info:
+          vendor-id: 111
+      showheroesBs:
+        meta-info:
+          vendor-id: 111
     ortb-version: '2.6'
     meta-info:
       maintainer-email: tech@showheroes.com
diff --git a/src/main/resources/bidder-config/smartadserver.yaml b/src/main/resources/bidder-config/smartadserver.yaml
index 8db161d6ff9..f8b9d098fcd 100644
--- a/src/main/resources/bidder-config/smartadserver.yaml
+++ b/src/main/resources/bidder-config/smartadserver.yaml
@@ -6,6 +6,8 @@ adapters:
     aliases:
       equativ:
         enabled: false
+        meta-info:
+          vendor-id: 45
     meta-info:
       maintainer-email: supply-partner-integration@equativ.com
       app-media-types:
diff --git a/src/main/resources/bidder-config/smarthub.yaml b/src/main/resources/bidder-config/smarthub.yaml
index 118742dc858..216805b2334 100644
--- a/src/main/resources/bidder-config/smarthub.yaml
+++ b/src/main/resources/bidder-config/smarthub.yaml
@@ -5,30 +5,48 @@ adapters:
       markapp:
         enabled: false
         endpoint: https://markapp-prebid.attekmi.com/pbserver/?seat={AccountID}&token={SourceId}
+        meta-info:
+          vendor-id: 0
       jdpmedia:
         enabled: false
         endpoint: https://jdpmedia-prebid.attekmi.com/pbserver/?seat={AccountID}&token={SourceId}
+        meta-info:
+          vendor-id: 0
       tredio:
         enabled: false
         endpoint: https://tredio-prebid.attekmi.com/pbserver/?seat={AccountID}&token={SourceId}
+        meta-info:
+          vendor-id: 0
       felixads:
         enabled: false
         endpoint: https://felixads-prebid.attekmi.com/pbserver/?seat={AccountID}&token={SourceId}
+        meta-info:
+          vendor-id: 0
       jambojar:
         enabled: false
         endpoint: https://jambojar-prebid.attekmi.com/pbserver/?seat={AccountID}&token={SourceId}
+        meta-info:
+          vendor-id: 0
       adinify:
         enabled: false
         endpoint: https://adinify-prebid.attekmi.com/pbserver/?seat={AccountID}&token={SourceId}
+        meta-info:
+          vendor-id: 0
       artechnology:
         enabled: false
         endpoint: https://artechnology-prebid.attekmi.com/pbserver/?seat={AccountID}&token={SourceId}
+        meta-info:
+          vendor-id: 0
       addigi:
         enabled: false
         endpoint: https://addigi-prebid.attekmi.com/pbserver/?seat={AccountID}&token={SourceId}
+        meta-info:
+          vendor-id: 0
       radianfusion:
         enabled: false
         endpoint: https://radiantfusion-prebid.attekmi.co/pbserver/?seat={AccountID}&token={SourceId}
+        meta-info:
+          vendor-id: 0
     meta-info:
       maintainer-email: prebid@attekmi.com
       app-media-types:
diff --git a/src/main/resources/bidder-config/teal.yaml b/src/main/resources/bidder-config/teal.yaml
index 3df79c3b9e8..6f9db90fd5a 100644
--- a/src/main/resources/bidder-config/teal.yaml
+++ b/src/main/resources/bidder-config/teal.yaml
@@ -9,6 +9,8 @@ adapters:
     aliases:
       tealplus:
         enabled: false
+        meta-info:
+          vendor-id: 1378
     ortb:
       multiformat-supported: true
     meta-info:
diff --git a/src/main/resources/bidder-config/teqblaze.yaml b/src/main/resources/bidder-config/teqblaze.yaml
index 9c94eb26955..00d430c5fa6 100644
--- a/src/main/resources/bidder-config/teqblaze.yaml
+++ b/src/main/resources/bidder-config/teqblaze.yaml
@@ -7,6 +7,7 @@ adapters:
         endpoint: https://ssp.360playvid.com/pserver
         meta-info:
           maintainer-email: prebid@360playvid.com
+          vendor-id: 0
         usersync:
           enabled: true
           cookie-family-name: 360playvid
@@ -23,11 +24,13 @@ adapters:
         endpoint: https://us-east-ep.pinklion.io/pserver
         meta-info:
           maintainer-email: prebid@pinklion.io
+          vendor-id: 0
       rocketlab:
         enabled: false
         endpoint: https://traffic1.rocketlab.ai/pserver
         meta-info:
           maintainer-email: support@rocketlab.ai
+          vendor-id: 0
         usersync:
           enabled: true
           cookie-family-name: rocketlab
@@ -42,6 +45,7 @@ adapters:
         endpoint: https://#{REGION}#.al-ad.com/pserver
         meta-info:
           maintainer-email: sdksupport@app-stock.com
+          vendor-id: 0
         usersync:
           enabled: true
           cookie-family-name: appStockSSP
@@ -56,7 +60,7 @@ adapters:
       gravite:
         enabled: false
         endpoint: https://node1-rtb.gravite.net/pserver
-        mata-info:
+        meta-info:
           maintainer-email: support@gravite.net
           vendor-id: 377
       bidfuse:
@@ -64,6 +68,7 @@ adapters:
         endpoint: https://bn.bidfuse.com/pserver
         meta-info:
           maintainer-email: support@bidfuse.com
+          vendor-id: 0
         usersync:
           enabled: true
           cookie-family-name: bidfuse
@@ -120,6 +125,7 @@ adapters:
         endpoint: https://east-backend.mycodemedia.com/pserver
         meta-info:
           maintainer-email: support-platform@mycodemedia.com
+          vendor-id: 0
         usersync:
           enabled: true
           cookie-family-name: mycodemedia
@@ -136,6 +142,7 @@ adapters:
         endpoint: https://tag-ssp.adsmovil.com/pserver
         meta-info:
           maintainer-email: prebid@adsmovil.com
+          vendor-id: 0
     meta-info:
       maintainer-email: github@teqblaze.com
       app-media-types:
diff --git a/src/main/resources/bidder-config/thetradedesk.yaml b/src/main/resources/bidder-config/thetradedesk.yaml
index 74d6bf2176b..628e3b149fa 100644
--- a/src/main/resources/bidder-config/thetradedesk.yaml
+++ b/src/main/resources/bidder-config/thetradedesk.yaml
@@ -2,7 +2,9 @@ adapters:
   thetradedesk:
     endpoint: https://direct.adsrvr.org/bid/bidder/{SupplyId}
     aliases:
-      ttd: ~
+      ttd:
+        meta-info:
+          vendor-id: 21
     meta-info:
       maintainer-email: Prebid-Maintainers@thetradedesk.com
       app-media-types:
diff --git a/src/main/resources/bidder-config/thirtythreeacross.yaml b/src/main/resources/bidder-config/thirtythreeacross.yaml
index 24dd7e5e6b3..68873dbf640 100644
--- a/src/main/resources/bidder-config/thirtythreeacross.yaml
+++ b/src/main/resources/bidder-config/thirtythreeacross.yaml
@@ -7,8 +7,12 @@ adapters:
     aliases:
       33across:
         enabled: false
+        meta-info:
+          vendor-id: 58
       ttx:
         enabled: false
+        meta-info:
+          vendor-id: 58
     meta-info:
       maintainer-email: headerbidding@33across.com
       app-media-types:
diff --git a/src/main/resources/bidder-config/vidazoo.yaml b/src/main/resources/bidder-config/vidazoo.yaml
index bc9ab022d63..35ddc17efec 100644
--- a/src/main/resources/bidder-config/vidazoo.yaml
+++ b/src/main/resources/bidder-config/vidazoo.yaml
@@ -4,10 +4,11 @@ adapters:
     aliases:
       omnidex:
         endpoint: https://exchange.omni-dex.io/openrtb/{ConnectionId}
+        meta-info:
+          vendor-id: 1463
         usersync:
           enabled: true
           cookie-family-name: omnidex
-          vendor-id: 1463
           iframe:
             url: https://sync.omni-dex.io/api/user/html/6810d0c7f163277130f3d7a9?pbs=true&gdpr={gdpr}&gdpr_consent={gdpr_consent}&us_privacy={us_privacy}&redirect={redirect_url}&gpp={gpp}&gpp_sid={gpp_sid}
             support-cors: false
@@ -16,6 +17,7 @@ adapters:
         endpoint: https://exchange.tagoras.io/openrtb/{ConnectionId}
         meta-info:
           maintainer-email: prebid@tagoras.io
+          vendor-id: 1450
         usersync:
           enabled: true
           cookie-family-name: tagoras
diff --git a/src/main/resources/bidder-config/vungle.yaml b/src/main/resources/bidder-config/vungle.yaml
index 0a9baf58403..53c20a2e959 100644
--- a/src/main/resources/bidder-config/vungle.yaml
+++ b/src/main/resources/bidder-config/vungle.yaml
@@ -4,6 +4,8 @@ adapters:
     aliases:
       liftoff:
         enabled: false
+        meta-info:
+          vendor-id: 0
     modifying-vast-xml-allowed: true
     endpoint-compression: gzip
     meta-info:
diff --git a/src/main/resources/bidder-config/xeworks.yaml b/src/main/resources/bidder-config/xeworks.yaml
index bcb76eaebd6..b7521c9184b 100644
--- a/src/main/resources/bidder-config/xeworks.yaml
+++ b/src/main/resources/bidder-config/xeworks.yaml
@@ -7,6 +7,7 @@ adapters:
         endpoint: http://rtb.connektai.live/?pid={SourceId}&host={Host}&s=pbs
         meta-info:
           maintainer-email: adops@connekt.ai
+          vendor-id: 0
       adipolo:
         enabled: false
         endpoint: http://rtb.adipolo.live?pid={SourceId}&host={Host}&pbs=1
diff --git a/src/main/resources/bidder-config/yahooAds.yaml b/src/main/resources/bidder-config/yahooAds.yaml
index b3657144a21..8b2c77a28be 100644
--- a/src/main/resources/bidder-config/yahooAds.yaml
+++ b/src/main/resources/bidder-config/yahooAds.yaml
@@ -3,9 +3,15 @@ adapters:
     endpoint: https://s2shb.ssp.yahoo.com/admax/bid/partners/PBS
     ortb-version: "2.6"
     aliases:
-      yssp: ~
-      yahoossp: ~
-      yahooAdvertising: ~
+      yssp:
+        meta-info:
+          vendor-id: 25
+      yahoossp:
+        meta-info:
+          vendor-id: 25
+      yahooAdvertising:
+        meta-info:
+          vendor-id: 25
     meta-info:
       maintainer-email: prebid-tech-team@yahooinc.com
       app-media-types:
diff --git a/src/test/groovy/org/prebid/server/functional/tests/AlternateBidderCodeSpec.groovy b/src/test/groovy/org/prebid/server/functional/tests/AlternateBidderCodeSpec.groovy
index 1e2c67fad6f..8d3690e2deb 100644
--- a/src/test/groovy/org/prebid/server/functional/tests/AlternateBidderCodeSpec.groovy
+++ b/src/test/groovy/org/prebid/server/functional/tests/AlternateBidderCodeSpec.groovy
@@ -1339,8 +1339,9 @@ class AlternateBidderCodeSpec extends BaseSpec {
 
     def "PBS shouldn't discard bid when hard alias and alternate bidder allow bidder code"() {
         given: "PBS config with bidder"
-        def pbsConfig = AMX_CONFIG + ["adapters.amx.aliases.alias.enabled" : "true",
-                                      "adapters.amx.aliases.alias.endpoint": "$networkServiceContainer.rootUri/auction".toString()]
+        def pbsConfig = AMX_CONFIG + ["adapters.amx.aliases.alias.enabled"            : "true",
+                                      "adapters.amx.aliases.alias.meta-info.vendor-id": "0",
+                                      "adapters.amx.aliases.alias.endpoint"           : "$networkServiceContainer.rootUri/auction".toString()]
         def defaultPbsService = pbsServiceFactory.getService(pbsConfig)
 
         and: "Default bid request with alias"
@@ -1525,8 +1526,9 @@ class AlternateBidderCodeSpec extends BaseSpec {
 
     def "PBS should populate adapter code with requested bidder when conflict soft and hard alias and alternate bidder code"() {
         given: "PBS config with bidder"
-        def pbsConfig = AMX_CONFIG + ["adapters.amx.aliases.alias.enabled" : "true",
-                                      "adapters.amx.aliases.alias.endpoint": "$networkServiceContainer.rootUri/auction".toString()]
+        def pbsConfig = AMX_CONFIG + ["adapters.amx.aliases.alias.enabled"            : "true",
+                                      "adapters.amx.aliases.alias.meta-info.vendor-id": "0",
+                                      "adapters.amx.aliases.alias.endpoint"           : "$networkServiceContainer.rootUri/auction".toString()]
         def defaultPbsService = pbsServiceFactory.getService(pbsConfig)
 
         and: "Bid request with amx bidder and targeting"
diff --git a/src/test/groovy/org/prebid/server/functional/tests/BaseSpec.groovy b/src/test/groovy/org/prebid/server/functional/tests/BaseSpec.groovy
index 880b4ab5636..b50f9772eef 100644
--- a/src/test/groovy/org/prebid/server/functional/tests/BaseSpec.groovy
+++ b/src/test/groovy/org/prebid/server/functional/tests/BaseSpec.groovy
@@ -47,8 +47,9 @@ abstract class BaseSpec extends Specification implements ObjectMapperWrapper {
     private static final int DEFAULT_TARGETING_PRECISION = 1
     private static final String DEFAULT_CACHE_DIRECTORY = "/app/prebid-server/data"
     protected static final String ALERT_GENERAL = "alerts.general"
-    protected static final Map<String, String> GENERIC_ALIAS_CONFIG = ["adapters.generic.aliases.alias.enabled" : "true",
-                                                                       "adapters.generic.aliases.alias.endpoint": "$networkServiceContainer.rootUri/auction".toString()]
+    protected static final Map<String, String> GENERIC_ALIAS_CONFIG = ["adapters.generic.aliases.alias.enabled"            : "true",
+                                                                       "adapters.generic.aliases.alias.meta-info.vendor-id": "0",
+                                                                       "adapters.generic.aliases.alias.endpoint"           : "$networkServiceContainer.rootUri/auction".toString()]
 
     protected static final PrebidServerService defaultPbsService = pbsServiceFactory.getService([:])
 
@@ -116,7 +117,7 @@ abstract class BaseSpec extends Specification implements ObjectMapperWrapper {
     }
 
     private static LinkedHashMap<String, List<BidRequest>> collectRequestByBidderName(String bidderName,
-                                                                                         List<BidderCall> bidderCalls) {
+                                                                                      List<BidderCall> bidderCalls) {
         [(bidderName): bidderCalls.collect { bidderCall -> decode(bidderCall.requestBody as String, BidRequest) }]
     }
 
diff --git a/src/test/groovy/org/prebid/server/functional/tests/BidderParamsSpec.groovy b/src/test/groovy/org/prebid/server/functional/tests/BidderParamsSpec.groovy
index 4f841c484d7..b4d65043c95 100644
--- a/src/test/groovy/org/prebid/server/functional/tests/BidderParamsSpec.groovy
+++ b/src/test/groovy/org/prebid/server/functional/tests/BidderParamsSpec.groovy
@@ -1022,6 +1022,7 @@ class BidderParamsSpec extends BaseSpec {
         given: "PBS with adapter configuration"
         def pbsConfig = [
                 "adapters.generic.aliases.alias.enabled"                    : "true",
+                "adapters.generic.aliases.alias.meta-info.vendor-id"        : "0",
                 "adapters.generic.aliases.alias.endpoint"                   : "$networkServiceContainer.rootUri/auction".toString(),
                 "adapters.generic.aliases.alias.meta-info.currency-accepted": ""]
         def pbsService = pbsServiceFactory.getService(pbsConfig)
@@ -1142,6 +1143,7 @@ class BidderParamsSpec extends BaseSpec {
         given: "PBS with adapter configuration"
         def pbsConfig = [
                 "adapters.generic.aliases.alias.enabled"                    : "true",
+                "adapters.generic.aliases.alias.meta-info.vendor-id"        : "0",
                 "adapters.generic.aliases.alias.endpoint"                   : "$networkServiceContainer.rootUri/auction".toString(),
                 "adapters.generic.aliases.alias.meta-info.currency-accepted": "${USD},${EUR}".toString()]
         def pbsService = pbsServiceFactory.getService(pbsConfig)
@@ -1187,6 +1189,7 @@ class BidderParamsSpec extends BaseSpec {
         given: "PBS with adapter configuration"
         def pbsConfig = [
                 "adapters.generic.aliases.alias.enabled"                    : "true",
+                "adapters.generic.aliases.alias.meta-info.vendor-id"        : "0",
                 "adapters.generic.aliases.alias.endpoint"                   : "$networkServiceContainer.rootUri/auction".toString(),
                 "adapters.generic.aliases.alias.meta-info.currency-accepted": "${JPY},${CHF}".toString()]
         def pbsService = pbsServiceFactory.getService(pbsConfig)
@@ -1415,8 +1418,9 @@ class BidderParamsSpec extends BaseSpec {
 
     def "PBS should populate same code for adapter code when make call for generic hard code alias"() {
         given: "PBS config with bidder"
-        def pbsConfig = ["adapters.generic.aliases.alias.enabled" : "true",
-                         "adapters.generic.aliases.alias.endpoint": "$networkServiceContainer.rootUri/auction".toString()]
+        def pbsConfig = ["adapters.generic.aliases.alias.enabled"            : "true",
+                         "adapters.generic.aliases.alias.meta-info.vendor-id": "0",
+                         "adapters.generic.aliases.alias.endpoint"           : "$networkServiceContainer.rootUri/auction".toString()]
         def defaultPbsService = pbsServiceFactory.getService(pbsConfig)
 
         and: "Default bid request with alias"
@@ -1456,10 +1460,11 @@ class BidderParamsSpec extends BaseSpec {
 
     def "PBS should make call for alias when hard alias and demandSource specified"() {
         given: "PBS config with bidder"
-        def pbsConfig = ["adapters.amx.enabled"               : "true",
-                         "adapters.amx.endpoint"              : "$networkServiceContainer.rootUri/auction".toString(),
-                         "adapters.amx.aliases.alias.enabled" : "true",
-                         "adapters.amx.aliases.alias.endpoint": "$networkServiceContainer.rootUri/auction".toString()]
+        def pbsConfig = ["adapters.amx.enabled"                          : "true",
+                         "adapters.amx.endpoint"                         : "$networkServiceContainer.rootUri/auction".toString(),
+                         "adapters.amx.aliases.alias.enabled"            : "true",
+                         "adapters.amx.aliases.alias.meta-info.vendor-id": "0",
+                         "adapters.amx.aliases.alias.endpoint"           : "$networkServiceContainer.rootUri/auction".toString()]
         def defaultPbsService = pbsServiceFactory.getService(pbsConfig)
 
         and: "Default bid Request with generic and openx bidder within separate imps"
@@ -1603,10 +1608,11 @@ class BidderParamsSpec extends BaseSpec {
 
     def "PBS should populate adapter code with requested bidder when conflict with soft and hard alias"() {
         given: "PBS config with bidder"
-        def pbsConfig = ["adapters.amx.enabled"               : "true",
-                         "adapters.amx.endpoint"              : "$networkServiceContainer.rootUri/auction".toString(),
-                         "adapters.amx.aliases.alias.enabled" : "true",
-                         "adapters.amx.aliases.alias.endpoint": "$networkServiceContainer.rootUri/auction".toString()]
+        def pbsConfig = ["adapters.amx.enabled"                          : "true",
+                         "adapters.amx.endpoint"                         : "$networkServiceContainer.rootUri/auction".toString(),
+                         "adapters.amx.aliases.alias.enabled"            : "true",
+                         "adapters.amx.aliases.alias.meta-info.vendor-id": "0",
+                         "adapters.amx.aliases.alias.endpoint"           : "$networkServiceContainer.rootUri/auction".toString()]
         def defaultPbsService = pbsServiceFactory.getService(pbsConfig)
 
         and: "Bid request with amx bidder and targeting"
@@ -1646,10 +1652,11 @@ class BidderParamsSpec extends BaseSpec {
 
     def "PBS should populate adapter code with requested bidder when conflict with soft and generic hard alias"() {
         given: "PBS config with bidders"
-        def pbsConfig = ["adapters.amx.enabled"                   : "true",
-                         "adapters.amx.endpoint"                  : "$networkServiceContainer.rootUri/auction".toString(),
-                         "adapters.generic.aliases.alias.enabled" : "true",
-                         "adapters.generic.aliases.alias.endpoint": "$networkServiceContainer.rootUri/auction".toString()]
+        def pbsConfig = ["adapters.amx.enabled"                              : "true",
+                         "adapters.amx.endpoint"                             : "$networkServiceContainer.rootUri/auction".toString(),
+                         "adapters.generic.aliases.alias.enabled"            : "true",
+                         "adapters.generic.aliases.alias.meta-info.vendor-id": "0",
+                         "adapters.generic.aliases.alias.endpoint"           : "$networkServiceContainer.rootUri/auction".toString()]
         def defaultPbsService = pbsServiceFactory.getService(pbsConfig)
 
         and: "Bid request with amx bidder and targeting"
diff --git a/src/test/groovy/org/prebid/server/functional/tests/CookieSyncSpec.groovy b/src/test/groovy/org/prebid/server/functional/tests/CookieSyncSpec.groovy
index b3f6adf3e64..a242ae9ae4e 100644
--- a/src/test/groovy/org/prebid/server/functional/tests/CookieSyncSpec.groovy
+++ b/src/test/groovy/org/prebid/server/functional/tests/CookieSyncSpec.groovy
@@ -110,6 +110,7 @@ class CookieSyncSpec extends BaseSpec {
         def bidderAlias = ALIAS
         def prebidServerService = pbsServiceFactory.getService(GENERIC_CONFIG + APPNEXUS_CONFIG
                 + ["adapters.${GENERIC.value}.aliases.${bidderAlias.value}.enabled"                    : "true",
+                   "adapters.${GENERIC.value}.aliases.${bidderAlias.value}.meta-info.vendor-id"        : "0",
                    "adapters.${GENERIC.value}.aliases.${bidderAlias.value}.usersync.cookie-family-name": null])
 
         and: "Default cookie sync request"
@@ -141,6 +142,7 @@ class CookieSyncSpec extends BaseSpec {
         def prebidServerService = pbsServiceFactory.getService(GENERIC_CONFIG +
                 ["adapters.${GENERIC.value}.usersync.redirect.url"                                   : "$networkServiceContainer.rootUri/generic-usersync&redir={redirect_url}".toString(),
                  "adapters.${GENERIC.value}.aliases.${bidderAlias.value}.enabled"                    : "true",
+                 "adapters.${GENERIC.value}.aliases.${bidderAlias.value}.meta-info.vendor-id"        : "0",
                  "adapters.${GENERIC.value}.aliases.${bidderAlias.value}.usersync.cookie-family-name": GENERIC.value])
 
         and: "Cookie sync request for alias bidder"
@@ -334,6 +336,7 @@ class CookieSyncSpec extends BaseSpec {
         def bidderAlias = ALIAS
         def prebidServerService = pbsServiceFactory.getService(GENERIC_CONFIG
                 + ["adapters.${GENERIC.value}.aliases.${bidderAlias.value}.enabled"                    : "true",
+                   "adapters.${GENERIC.value}.aliases.${bidderAlias.value}.meta-info.vendor-id"        : "0",
                    "adapters.${GENERIC.value}.aliases.${bidderAlias.value}.usersync.cookie-family-name": null])
 
         and: "Cookie sync request with 2 bidders"
@@ -707,6 +710,7 @@ class CookieSyncSpec extends BaseSpec {
         def bidderAlias = ALIAS
         def prebidServerService = pbsServiceFactory.getService(PBS_CONFIG
                 + ["adapters.${GENERIC.value}.aliases.${bidderAlias.value}.enabled"                    : "true",
+                   "adapters.${GENERIC.value}.aliases.${bidderAlias.value}.meta-info.vendor-id"        : "0",
                    "adapters.${GENERIC.value}.aliases.${bidderAlias.value}.usersync.cookie-family-name": null])
 
         and: "Cookie sync request with 2 bidders"
@@ -738,6 +742,7 @@ class CookieSyncSpec extends BaseSpec {
         def bidderAlias = ALIAS
         def prebidServerService = pbsServiceFactory.getService(PBS_CONFIG
                 + ["adapters.${GENERIC.value}.aliases.${bidderAlias.value}.enabled"                    : "true",
+                   "adapters.${GENERIC.value}.aliases.${bidderAlias.value}.meta-info.vendor-id"        : "0",
                    "adapters.${GENERIC.value}.aliases.${bidderAlias.value}.usersync.cookie-family-name": bidderAlias.value])
 
         and: "Cookie sync request with 2 bidders"
diff --git a/src/test/groovy/org/prebid/server/functional/tests/SecondaryBidderSpec.groovy b/src/test/groovy/org/prebid/server/functional/tests/SecondaryBidderSpec.groovy
index d032747b0d7..593a7ccd878 100644
--- a/src/test/groovy/org/prebid/server/functional/tests/SecondaryBidderSpec.groovy
+++ b/src/test/groovy/org/prebid/server/functional/tests/SecondaryBidderSpec.groovy
@@ -28,8 +28,9 @@ class SecondaryBidderSpec extends BaseSpec {
             "adapters.${OPENX.value}.enabled" : "true",
             "adapters.${OPENX.value}.endpoint": "$networkServiceContainer.rootUri$OPENX_AUCTION_ENDPOINT".toString()]
     private static final Map<String, String> GENERIC_ALIAS_CONFIG = [
-            "adapters.${GENERIC.value}.aliases.${ALIAS}.enabled" : "true",
-            "adapters.${GENERIC.value}.aliases.${ALIAS}.endpoint": "$networkServiceContainer.rootUri$GENERIC_ALIAS_AUCTION_ENDPOINT".toString()]
+            "adapters.${GENERIC.value}.aliases.${ALIAS}.enabled"            : "true",
+            "adapters.${GENERIC.value}.aliases.${ALIAS}.meta-info.vendor-id": "0",
+            "adapters.${GENERIC.value}.aliases.${ALIAS}.endpoint"           : "$networkServiceContainer.rootUri$GENERIC_ALIAS_AUCTION_ENDPOINT".toString()]
     private static final String WARNING_TIME_OUT_MESSAGE = "secondary bidder timed out, auction proceeded"
     private static final Long RESPONSE_DELAY_MILLISECONDS = 5000
     private static final Bidder openXBidder = new Bidder(networkServiceContainer, OPENX_AUCTION_ENDPOINT)
diff --git a/src/test/groovy/org/prebid/server/functional/tests/SetUidSpec.groovy b/src/test/groovy/org/prebid/server/functional/tests/SetUidSpec.groovy
index 27b69e74341..50d5be070c1 100644
--- a/src/test/groovy/org/prebid/server/functional/tests/SetUidSpec.groovy
+++ b/src/test/groovy/org/prebid/server/functional/tests/SetUidSpec.groovy
@@ -44,8 +44,9 @@ class SetUidSpec extends BaseSpec {
     private static final String GENERIC_COOKIE_FAMILY_NAME = GENERIC.value
     private static final String VENDOR_ID = PBSUtils.randomNumber as String
     private static final Map<String, String> UID_COOKIES_CONFIG = ['setuid.number-of-uid-cookies': MAX_NUMBER_OF_UID_COOKIES.toString()]
-    private static final Map<String, String> GENERIC_ALIAS_CONFIG = ["adapters.generic.aliases.alias.enabled" : "true",
-                                                                     "adapters.generic.aliases.alias.endpoint": "$networkServiceContainer.rootUri/auction".toString()]
+    private static final Map<String, String> GENERIC_ALIAS_CONFIG = ["adapters.generic.aliases.alias.enabled"          : "true",
+                                                                     "adapters.generic.aliases.alias.meta-info.vendor-id": "0",
+                                                                     "adapters.generic.aliases.alias.endpoint"         : "$networkServiceContainer.rootUri/auction".toString()]
     private static final String TCF_ERROR_MESSAGE = "The gdpr_consent param prevents cookies from being saved"
     private static final int UNAVAILABLE_FOR_LEGAL_REASONS_CODE = 451
     private static final Map<String, String> PBS_CONFIG =
diff --git a/src/test/groovy/org/prebid/server/functional/tests/bidder/openx/OpenxSpec.groovy b/src/test/groovy/org/prebid/server/functional/tests/bidder/openx/OpenxSpec.groovy
index 97a0015cea5..65a54435d86 100644
--- a/src/test/groovy/org/prebid/server/functional/tests/bidder/openx/OpenxSpec.groovy
+++ b/src/test/groovy/org/prebid/server/functional/tests/bidder/openx/OpenxSpec.groovy
@@ -39,8 +39,9 @@ class OpenxSpec extends BaseSpec {
 
     private static final Map OPENX_CONFIG = ["adapters.openx.enabled" : "true",
                                              "adapters.openx.endpoint": "$networkServiceContainer.rootUri/auction".toString()]
-    private static final Map OPENX_ALIAS_CONFIG = ["adapters.openx.aliases.openxalias.enabled" : "true",
-                                                   "adapters.openx.aliases.openxalias.endpoint": "$networkServiceContainer.rootUri/auction".toString()]
+    private static final Map OPENX_ALIAS_CONFIG = ["adapters.openx.aliases.openxalias.enabled"            : "true",
+                                                   "adapters.openx.aliases.openxalias.meta-info.vendor-id": "0",
+                                                   "adapters.openx.aliases.openxalias.endpoint"           : "$networkServiceContainer.rootUri/auction".toString()]
 
     @Shared
     PrebidServerService pbsService = pbsServiceFactory.getService(OPENX_CONFIG)
diff --git a/src/test/groovy/org/prebid/server/functional/tests/module/pbruleengine/RuleEngineBaseSpec.groovy b/src/test/groovy/org/prebid/server/functional/tests/module/pbruleengine/RuleEngineBaseSpec.groovy
index bfc73c8de37..6c55a65acf5 100644
--- a/src/test/groovy/org/prebid/server/functional/tests/module/pbruleengine/RuleEngineBaseSpec.groovy
+++ b/src/test/groovy/org/prebid/server/functional/tests/module/pbruleengine/RuleEngineBaseSpec.groovy
@@ -83,8 +83,9 @@ abstract class RuleEngineBaseSpec extends ModuleBaseSpec {
     protected static final Map<String, String> AMX_CONFIG = ["adapters.${AMX}.enabled"            : "true",
                                                              "adapters.${AMX}.endpoint"           : "$networkServiceContainer.rootUri/auction".toString(),
                                                              "adapters.${AMX}.meta-info.vendor-id": AMX_VENDOR_ID as String]
-    protected static final Map<String, String> OPENX_ALIAS_CONFIG = ["adapters.${OPENX}.aliases.${OPENX_ALIAS}.enabled" : "true",
-                                                                     "adapters.${OPENX}.aliases.${OPENX_ALIAS}.endpoint": "$networkServiceContainer.rootUri/auction".toString()]
+    protected static final Map<String, String> OPENX_ALIAS_CONFIG = ["adapters.${OPENX}.aliases.${OPENX_ALIAS}.enabled"            : "true",
+                                                                     "adapters.${OPENX}.aliases.${OPENX_ALIAS}.meta-info.vendor-id": "0",
+                                                                     "adapters.${OPENX}.aliases.${OPENX_ALIAS}.endpoint"           : "$networkServiceContainer.rootUri/auction".toString()]
     protected static final String CONFIG_DATA_CENTER = PBSUtils.randomString
     private static final String USER_SYNC_URL = "$networkServiceContainer.rootUri/generic-usersync"
     private static final Map<String, String> GENERIC_CONFIG = [