diff --git a/proxies/shared/policies/AssignMessage.MessageBatches.Create.Request.xml b/proxies/shared/policies/AssignMessage.MessageBatches.Create.Request.xml
index 4cc8d2080..4a455dfd3 100644
--- a/proxies/shared/policies/AssignMessage.MessageBatches.Create.Request.xml
+++ b/proxies/shared/policies/AssignMessage.MessageBatches.Create.Request.xml
@@ -23,7 +23,7 @@
     {% if ENVIRONMENT_TYPE != 'sandbox' %}
         <AssignVariable>
             <Name>target.url</Name>
-            <Value>https://comms-apim.de-dafu1.communications.national.nhs.uk/api/v1/messages</Value>
+            <Value>https://comms-apim.de-dafu1.communications.national.nhs.uk/api/v1/send</Value>
         </AssignVariable>
     {% endif %}
     <Set>
diff --git a/proxies/shared/policies/AssignMessage.Messages.Create.Request.xml b/proxies/shared/policies/AssignMessage.Messages.Create.Request.xml
index b762c690b..dea97f2ab 100644
--- a/proxies/shared/policies/AssignMessage.Messages.Create.Request.xml
+++ b/proxies/shared/policies/AssignMessage.Messages.Create.Request.xml
@@ -24,7 +24,7 @@
     {% if ENVIRONMENT_TYPE != 'sandbox' %}
         <AssignVariable>
             <Name>target.url</Name>
-            <Value>https://comms-apim.de-dafu1.communications.national.nhs.uk/api/v1/send</Value>
+            <Value>https://comms-apim.de-dafu1.communications.national.nhs.uk/api/v1/messages</Value>
         </AssignVariable>
     {% endif %}
     <Set>
diff --git a/proxies/shared/policies/AssignMessage.Messages.GetSingle.Request.xml b/proxies/shared/policies/AssignMessage.Messages.GetSingle.Request.xml
index 447e82719..45130789a 100644
--- a/proxies/shared/policies/AssignMessage.Messages.GetSingle.Request.xml
+++ b/proxies/shared/policies/AssignMessage.Messages.GetSingle.Request.xml
@@ -23,7 +23,7 @@
     {% if ENVIRONMENT_TYPE != 'sandbox' %}
         <AssignVariable>
             <Name>target.url</Name>
-            <Value>https://comms-apim.de-dafu1.communications.national.nhs.uk/api/v1/messages</Value>
+            <Value>https://comms-apim.de-dafu1.communications.national.nhs.uk/api/v1/messages/{data.messageId}</Value>
         </AssignVariable>
     {% endif %}
     <Set>
diff --git a/proxies/shared/policies/AssignMessage.NhsAppAccounts.Get.Request.xml b/proxies/shared/policies/AssignMessage.NhsAppAccounts.Get.Request.xml
index 6023504fb..6d70d3e93 100644
--- a/proxies/shared/policies/AssignMessage.NhsAppAccounts.Get.Request.xml
+++ b/proxies/shared/policies/AssignMessage.NhsAppAccounts.Get.Request.xml
@@ -23,7 +23,7 @@
     {% if ENVIRONMENT_TYPE != 'sandbox' %}
         <AssignVariable>
             <Name>target.url</Name>
-            <Value>https://comms-apim.de-dafu1.communications.national.nhs.uk/api/v1/messages</Value>
+            <Value>https://comms-apim.de-dafu1.communications.national.nhs.uk/api/channels/nhsapp/accounts</Value>
         </AssignVariable>
     {% endif %}
     <Set>
diff --git a/request_body.json b/request_body.json
index 2727dd656..9c858f3cf 100644
--- a/request_body.json
+++ b/request_body.json
@@ -3,7 +3,7 @@
       "type": "MessageBatch",
       "attributes": {
         "routingPlanId": "00000000-0000-0000-0000-000000000001",
-        "messageBatchReference": "da0b1495-c7cb-468c-9d81-07dee089d001",
+        "messageBatchReference": "da0b1495-c7cb-468c-9d81-07dee089d728",
         "messages": [
           {
             "messageReference": "00000000-0000-0000-0000-000000000001",