diff --git a/exchange/adapter_builders.go b/exchange/adapter_builders.go
index b9ca199c9f6..17290917b0c 100755
--- a/exchange/adapter_builders.go
+++ b/exchange/adapter_builders.go
@@ -246,6 +246,7 @@ func newAdapterBuilders() map[openrtb_ext.BidderName]adapters.Builder {
 		openrtb_ext.BidderBmtm:              bmtm.Builder,
 		openrtb_ext.BidderBoldwin:           boldwin.Builder,
 		openrtb_ext.BidderBrave:             brave.Builder,
+		openrtb_ext.BidderCadentApertureMX:  emx_digital.Builder,
 		openrtb_ext.BidderCcx:               ccx.Builder,
 		openrtb_ext.BidderCoinzilla:         coinzilla.Builder,
 		openrtb_ext.BidderColossus:          colossus.Builder,
diff --git a/openrtb_ext/bidders.go b/openrtb_ext/bidders.go
index 3568276086e..da262ea1bbb 100644
--- a/openrtb_ext/bidders.go
+++ b/openrtb_ext/bidders.go
@@ -142,6 +142,7 @@ const (
 	BidderBmtm              BidderName = "bmtm"
 	BidderBoldwin           BidderName = "boldwin"
 	BidderBrave             BidderName = "brave"
+	BidderCadentApertureMX  BidderName = "cadent_aperture_mx"
 	BidderCcx               BidderName = "ccx"
 	BidderCoinzilla         BidderName = "coinzilla"
 	BidderColossus          BidderName = "colossus"
@@ -346,6 +347,7 @@ func CoreBidderNames() []BidderName {
 		BidderBmtm,
 		BidderBoldwin,
 		BidderBrave,
+		BidderCadentApertureMX,
 		BidderCcx,
 		BidderCoinzilla,
 		BidderColossus,
diff --git a/static/bidder-info/cadent_aperture_mx.yaml b/static/bidder-info/cadent_aperture_mx.yaml
new file mode 100644
index 00000000000..b5c72bd9a9d
--- /dev/null
+++ b/static/bidder-info/cadent_aperture_mx.yaml
@@ -0,0 +1,17 @@
+endpoint: "https://hb.emxdgt.com"
+maintainer:
+  email: "contactaperturemx@cadent.tv"
+gvlVendorID: 183
+capabilities:
+  site:
+    mediaTypes:
+      - banner
+      - video
+  app:
+    mediaTypes:
+      - banner
+      - video
+userSync:
+  iframe:
+    url: "https://cs.emxdgt.com/um?ssp=pbs&gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&redirect={{.RedirectURL}}"
+    userMacro: "$UID"
diff --git a/static/bidder-info/emx_digital.yaml b/static/bidder-info/emx_digital.yaml
index 0d8aa7f3a6d..b5c72bd9a9d 100644
--- a/static/bidder-info/emx_digital.yaml
+++ b/static/bidder-info/emx_digital.yaml
@@ -1,6 +1,6 @@
 endpoint: "https://hb.emxdgt.com"
 maintainer:
-  email: "adops@emxdigital.com"
+  email: "contactaperturemx@cadent.tv"
 gvlVendorID: 183
 capabilities:
   site:
diff --git a/static/bidder-params/cadent_aperture_mx.json b/static/bidder-params/cadent_aperture_mx.json
new file mode 100644
index 00000000000..4e3ff51fc1b
--- /dev/null
+++ b/static/bidder-params/cadent_aperture_mx.json
@@ -0,0 +1,18 @@
+{
+    "$schema": "http://json-schema.org/draft-04/schema#",
+    "title": "Cadent Aperture MX Adapter Params",
+    "description": "A schema which validates params accepted by the Cadent Aperture MX adapter",
+    "type": "object",
+    "properties": {
+      "tagid" : {
+        "type": "string",
+        "description": "The id of an inventory target"
+      },
+      "bidfloor": {
+        "type": "string",
+        "description": "The minimum price acceptable for a bid"
+      }
+    },
+
+    "required": ["tagid"]
+  }