diff --git a/app/preview/TemplateParams.scala b/app/preview/TemplateParams.scala
index 6e9464599..43121f859 100644
--- a/app/preview/TemplateParams.scala
+++ b/app/preview/TemplateParams.scala
@@ -1652,6 +1652,15 @@ object TemplateParams2 {
     "hipp_application_deleted_team" -> Map(
       "applicationname" -> "Test-Hipp-App"
     ),
+    "hipp_api_ownership_added_email" -> Map(
+      "teamname"             -> "My Team",
+      "apispecificationname" -> "API Name"
+    ),
+    "hipp_api_ownership_removed_email" -> Map(
+      "teamname"             -> "My Team",
+      "otherteamname"        -> "New API Team",
+      "apispecificationname" -> "API Name"
+    ),
     "chargeable_return_submit" -> Map(
       "first_name"   -> "FirstName",
       "last_name"    -> "SecondName",
diff --git a/app/uk/gov/hmrc/hmrcemailrenderer/templates/hipp/ApiOwnershipAdded.scala.html b/app/uk/gov/hmrc/hmrcemailrenderer/templates/hipp/ApiOwnershipAdded.scala.html
new file mode 100644
index 000000000..02e8f0f83
--- /dev/null
+++ b/app/uk/gov/hmrc/hmrcemailrenderer/templates/hipp/ApiOwnershipAdded.scala.html
@@ -0,0 +1,23 @@
+@*
+ * Copyright 2023 HM Revenue & Customs
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *@
+
+@(params: Map[String, Any])
+@uk.gov.hmrc.hmrcemailrenderer.templates.helpers.html.template_main(params, "There has been a change of API ownership"){
+<p style="margin: 0 0 30px; font-size: 19px;">Your team @params("teamname") is the new owner of @params("apispecificationname").</p>
+<p style="margin: 0 0 30px; font-size: 19px;">To view this change, visit /api-hub on the MDTP admin network.</p>
+<p style="margin: 0 0 30px; font-size: 19px;">If this is an error, please follow the Get Support link on the Hub.</p>
+<p style="margin: 0 0 30px; font-size: 19px;">From HMRC The Integration Hub</p>
+}
diff --git a/app/uk/gov/hmrc/hmrcemailrenderer/templates/hipp/ApiOwnershipAdded.scala.txt b/app/uk/gov/hmrc/hmrcemailrenderer/templates/hipp/ApiOwnershipAdded.scala.txt
new file mode 100644
index 000000000..4312340a1
--- /dev/null
+++ b/app/uk/gov/hmrc/hmrcemailrenderer/templates/hipp/ApiOwnershipAdded.scala.txt
@@ -0,0 +1,5 @@
+@(params: Map[String, Any])
+Your team @params("teamname") is the new owner of @params("apispecificationname").
+To view this change, visit /api-hub on the MDTP admin network.
+If this is an error, please follow the Get Support link on the Hub.
+From HMRC The Integration Hub
diff --git a/app/uk/gov/hmrc/hmrcemailrenderer/templates/hipp/ApiOwnershipRemoved.scala.html b/app/uk/gov/hmrc/hmrcemailrenderer/templates/hipp/ApiOwnershipRemoved.scala.html
new file mode 100644
index 000000000..41c74f8f3
--- /dev/null
+++ b/app/uk/gov/hmrc/hmrcemailrenderer/templates/hipp/ApiOwnershipRemoved.scala.html
@@ -0,0 +1,23 @@
+@*
+ * Copyright 2023 HM Revenue & Customs
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *@
+
+@(params: Map[String, Any])
+@uk.gov.hmrc.hmrcemailrenderer.templates.helpers.html.template_main(params, "There has been a change of API ownership"){
+<p style="margin: 0 0 30px; font-size: 19px;">Your team @params("teamname") is no longer the owner of @params("apispecificationname"). The team @params("otherteamname") is now the new owner of this API.</p>
+<p style="margin: 0 0 30px; font-size: 19px;">To view this change, visit /api-hub on the MDTP admin network.</p>
+<p style="margin: 0 0 30px; font-size: 19px;">If this is an error, please follow the Get Support link on the Hub.</p>
+<p style="margin: 0 0 30px; font-size: 19px;">From HMRC The Integration Hub</p>
+}
diff --git a/app/uk/gov/hmrc/hmrcemailrenderer/templates/hipp/ApiOwnershipRemoved.scala.txt b/app/uk/gov/hmrc/hmrcemailrenderer/templates/hipp/ApiOwnershipRemoved.scala.txt
new file mode 100644
index 000000000..62682ec32
--- /dev/null
+++ b/app/uk/gov/hmrc/hmrcemailrenderer/templates/hipp/ApiOwnershipRemoved.scala.txt
@@ -0,0 +1,5 @@
+@(params: Map[String, Any])
+Your team @params("teamname") is no longer the owner of @params("apispecificationname"). The team @params("otherteamname") is now the new owner of this API.
+To view this change, visit /api-hub on the MDTP admin network.
+If this is an error, please follow the Get Support link on the Hub.
+From HMRC The Integration Hub
diff --git a/app/uk/gov/hmrc/hmrcemailrenderer/templates/hipp/HippTemplates.scala b/app/uk/gov/hmrc/hmrcemailrenderer/templates/hipp/HippTemplates.scala
index 483721f4e..985dd43a1 100644
--- a/app/uk/gov/hmrc/hmrcemailrenderer/templates/hipp/HippTemplates.scala
+++ b/app/uk/gov/hmrc/hmrcemailrenderer/templates/hipp/HippTemplates.scala
@@ -112,6 +112,24 @@ object HippTemplates {
       plainTemplate = txt.ProductionAccessRequestSubmitted.f,
       htmlTemplate = html.ProductionAccessRequestSubmitted.f,
       priority = Some(MessagePriority.Urgent)
+    ),
+    MessageTemplate.create(
+      templateId = "hipp_api_ownership_added_email",
+      fromAddress = FromAddress.noReply("Do not reply"),
+      service = Hipp,
+      subject = "There has been a change of API ownership",
+      plainTemplate = txt.ApiOwnershipAdded.f,
+      htmlTemplate = html.ApiOwnershipAdded.f,
+      priority = Some(MessagePriority.Urgent)
+    ),
+    MessageTemplate.create(
+      templateId = "hipp_api_ownership_removed_email",
+      fromAddress = FromAddress.noReply("Do not reply"),
+      service = Hipp,
+      subject = "There has been a change of API ownership",
+      plainTemplate = txt.ApiOwnershipRemoved.f,
+      htmlTemplate = html.ApiOwnershipRemoved.f,
+      priority = Some(MessagePriority.Urgent)
     )
   )
 }
diff --git a/test/uk/gov/hmrc/hmrcemailrenderer/templates/TemplateLocatorSpec.scala b/test/uk/gov/hmrc/hmrcemailrenderer/templates/TemplateLocatorSpec.scala
index 202155a26..9d31c2daf 100644
--- a/test/uk/gov/hmrc/hmrcemailrenderer/templates/TemplateLocatorSpec.scala
+++ b/test/uk/gov/hmrc/hmrcemailrenderer/templates/TemplateLocatorSpec.scala
@@ -533,6 +533,8 @@ class TemplateLocatorSpec extends AnyWordSpecLike with should.Matchers with Opti
         "hipp_application_deleted",
         "hipp_application_deleted_team",
         "hipp_remove_team_member_from_app_email",
+        "hipp_api_ownership_added_email",
+        "hipp_api_ownership_removed_email",
         "ho10_confirmation_submission",
         "ho10_confirmation_submission_cy",
         "ho5_code",