diff --git a/raystack/frontier/v1beta1/admin.proto b/raystack/frontier/v1beta1/admin.proto
index 7d36c061..dd99c6e5 100644
--- a/raystack/frontier/v1beta1/admin.proto
+++ b/raystack/frontier/v1beta1/admin.proto
@@ -318,6 +318,15 @@ service AdminService {
       description: "Checkout a product to buy it one time or start a subscription plan on a billing account manually. It bypasses billing engine.";
     };
   }
+
+  rpc ListAllInvoices(ListAllInvoicesRequest) returns (ListAllInvoicesResponse) {
+    option (google.api.http) = {get: "/v1beta1/admin/billing/invoices"};
+    option (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_operation) = {
+      tags: "Invoice";
+      summary: "List all invoices";
+      description: "Lists all the invoices from all the organizations in a Frontier instance. It can be filtered by organization.";
+    };
+  }
 }
 
 message ListAllUsersRequest {
@@ -543,4 +552,12 @@ message DelegatedCheckoutResponse {
   Subscription subscription = 1;
   // product if bought
   Product product = 2;
+}
+
+message ListAllInvoicesRequest {
+  string org_id = 1;
+}
+
+message ListAllInvoicesResponse {
+  repeated Invoice invoices = 1;
 }
\ No newline at end of file
diff --git a/raystack/frontier/v1beta1/frontier.proto b/raystack/frontier/v1beta1/frontier.proto
index c3ecaa57..5fb84591 100644
--- a/raystack/frontier/v1beta1/frontier.proto
+++ b/raystack/frontier/v1beta1/frontier.proto
@@ -1528,6 +1528,15 @@ service FrontierService {
     };
   }
 
+  rpc ListFeatures(ListFeaturesRequest) returns (ListFeaturesResponse) {
+    option (google.api.http) = {get: "/v1beta1/billing/features"};
+    option (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_operation) = {
+      tags: "Feature";
+      summary: "List features";
+      description: "List all features";
+    };
+  }
+
   // Plans
   rpc CreatePlan(CreatePlanRequest) returns (CreatePlanResponse) {
     option (google.api.http) = {
@@ -1935,6 +1944,13 @@ message UpdateProductResponse {
   Product product = 1;
 }
 
+message ListFeaturesRequest {
+}
+
+message ListFeaturesResponse {
+  repeated Feature features = 1;
+}
+
 message PlanRequestBody {
   string name = 1;
   string title = 2;
diff --git a/raystack/frontier/v1beta1/models.proto b/raystack/frontier/v1beta1/models.proto
index 2a8c44c6..6528c868 100644
--- a/raystack/frontier/v1beta1/models.proto
+++ b/raystack/frontier/v1beta1/models.proto
@@ -600,6 +600,9 @@ message Subscription {
   google.protobuf.Timestamp canceled_at = 13;
   google.protobuf.Timestamp ended_at = 14;
   google.protobuf.Timestamp trial_ends_at = 15;
+  google.protobuf.Timestamp current_period_start = 16;
+  google.protobuf.Timestamp current_period_end = 17;
+  google.protobuf.Timestamp billing_cycle_anchor = 18;
 
   message Phase {
     google.protobuf.Timestamp effective_at = 1;