diff --git a/temporal/api/cloud/cloudservice/v1/request_response.proto b/temporal/api/cloud/cloudservice/v1/request_response.proto
index 0d59fa1..bcd4c6d 100644
--- a/temporal/api/cloud/cloudservice/v1/request_response.proto
+++ b/temporal/api/cloud/cloudservice/v1/request_response.proto
@@ -244,6 +244,9 @@ message GetIncomingServicesRequest {
 
     // Filter incoming services by the task queue they route to - optional.
     string task_queue = 4;
+
+    // Filter incoming services by their service name - optional. Specifying this will result in zero or one results.
+    string service_name = 5;
 }
 
 message GetIncomingServicesResponse {
@@ -318,15 +321,18 @@ message DeleteIncomingServiceResponse {
 }
 
 message GetOutgoingServicesRequest {
-    // The namespace to get all the outgoing services from
-    string namespace = 1;
-
     // The requested size of the page to retrieve - optional.
     // Cannot exceed 1000. Defaults to 100. 
-    int32 page_size = 2;
+    int32 page_size = 1;
 
     // The page token if this is continuing from another response - optional.
-    string page_token = 3;
+    string page_token = 2;
+
+    // The namespace to get all the outgoing services from
+    string namespace = 3;
+
+    // The name of the outgoing service to filter on. - optional. Specifying this will result in zero or one results.
+    string service_name = 4;
 }
 
 message GetOutgoingServicesResponse {
diff --git a/temporal/api/cloud/nexus/v1/message.proto b/temporal/api/cloud/nexus/v1/message.proto
index abea788..5b4b4d0 100644
--- a/temporal/api/cloud/nexus/v1/message.proto
+++ b/temporal/api/cloud/nexus/v1/message.proto
@@ -17,22 +17,28 @@ message IncomingServiceSpec {
     // The task queue to route requests to
     string task_queue = 3;
 
-    // The authorization specification for this service
-    IncomingServiceAuthorizationSpec authorization_spec = 4;
+    // The set of authorization policies for the service. Each request's caller
+    // must match with at least one of the specs to be accepted by the incoming service
+    repeated IncomingServiceAuthorizationSpec authorization_spec = 4;
 }
 
 message IncomingServiceAuthorizationSpec {
-    AllowedNamespacePolicySpec allowed_namespace_policy_spec = 1;
+    // The policy set on this incoming service authorization spec
+    // Possible values are: ALLOWED_CLOUD_NAMESPACE
+    string policy_type = 1;
+
+    // A policy spec that allows one caller namespace to access the service
+    AllowedCloudNamespacePolicySpec allowed_cloud_namespace_policy_spec = 2;
 }
 
-message AllowedNamespacePolicySpec {
-    // The set of namespaces that are allowed to call into this service
-    repeated string namespaces = 1;
+message AllowedCloudNamespacePolicySpec {
+    // The namespace that is allowed to call into this service. Calling namespace must be in same account as incoming service
+    string namespace = 1;
 }
 
-// A binding from a service name to namespace and task queue for dispatching incoming Nexus requests.
+// A binding to a cloud namespace and task queue for dispatching incoming Nexus requests.
 message IncomingService {
-    // The id of the service. This is generated by the server and is immutable
+    // The id of the incoming service. This is generated by the server and is immutable
     string id = 1;
 
     // The current version of the incoming service specification
@@ -62,14 +68,21 @@ message OutgoingServiceSpec {
     // This name is immutable
     string name = 1;
 
-    BindingSpec spec = 2;
+    // The target that the outgoing service will connect to
+    TargetSpec spec = 2;
 }
 
-message BindingSpec {
-    IntraAccountServiceSpec intra_account_service_spec = 1;
+message TargetSpec {
+    // The type of target that is set in this spec
+    // Possible values are: CLOUD_INCOMING_SERVICE_SPEC
+    string target_type = 1;
+    
+    // A target spec for an incoming service within the same account as the outgoing service
+    CloudIncomingServiceSpec cloud_incoming_service_spec = 2;
 }
 
-message IntraAccountServiceSpec {
+message CloudIncomingServiceSpec {
+    // The ID of the Incoming Service that the outgoing service will connect to
     string incoming_service_id = 1;
 }