diff --git a/obp-api/src/main/resources/props/sample.props.template b/obp-api/src/main/resources/props/sample.props.template
index a9a3fd1cdd..5b1810460d 100644
--- a/obp-api/src/main/resources/props/sample.props.template
+++ b/obp-api/src/main/resources/props/sample.props.template
@@ -1180,6 +1180,11 @@ personal_data_collection_consent_country_waiver_list = Austria, Belgium, Bulgari
 # local_identity_provider=strongly recommended to use top level domain name so that all nodes in the cluster share same provider name
 
 
+# User Invitation Link Base URL
+# it defaults to the "portal_hostname" as a 1st choise and to the "hostname" props value as a 2nd choise
+# user_invitation_link_base_URL=strongly recommended to use top level domain name so that all nodes in the cluster share same URL
+
+
 # enable dynamic code sandbox, default is false, this will make sandbox works for code running in Future, will make performance lower than disable
 dynamic_code_sandbox_enable=false
 # Here is the default permissions if you set the dynamic_code_sandbox_enable = true. If you need more permission need to add it manually here.
diff --git a/obp-api/src/main/scala/code/api/v4_0_0/APIMethods400.scala b/obp-api/src/main/scala/code/api/v4_0_0/APIMethods400.scala
index 56f25e11a9..fcf804f28d 100644
--- a/obp-api/src/main/scala/code/api/v4_0_0/APIMethods400.scala
+++ b/obp-api/src/main/scala/code/api/v4_0_0/APIMethods400.scala
@@ -3822,7 +3822,7 @@ trait APIMethods400 extends MdcLoggable {
               postedData.purpose, 
               cc.callContext)
           } yield {
-            val link = s"${APIUtil.getPropsValue("portal_hostname", Constant.HostName)}/user-invitation?id=${invitation.secretKey}"
+            val link = s"${APIUtil.getPropsValue("user_invitation_link_base_URL", APIUtil.getPropsValue("portal_hostname", Constant.HostName))}/user-invitation?id=${invitation.secretKey}"
             if (postedData.purpose == UserInvitationPurpose.DEVELOPER.toString){
               val subject = getWebUiPropsValue("webui_developer_user_invitation_email_subject", "Welcome to the API Playground")
               val from = getWebUiPropsValue("webui_developer_user_invitation_email_from", "do-not-reply@openbankproject.com")