diff --git a/billing/v1/billing.proto b/billing/v1/billing.proto
index fd60fa69..6dffaa7c 100644
--- a/billing/v1/billing.proto
+++ b/billing/v1/billing.proto
@@ -262,6 +262,13 @@ service Billing {
     };
   }
 
+ // Returns the service discount associated with the billing group id
+ rpc GetBillingGroupServiceDiscounts(GetBillingGroupInvoiceServiceDiscountsRequest) returns (GetBillingGroupInvoiceServiceDiscountsResponse) {
+    option (google.api.http) = {
+      get: "/v1/servicediscounts/{groupId}/billinggroup"
+    };
+  }
+
   // Registers the reseller account. Only available in Ripple.
   rpc CreateReseller(CreateResellerRequest) returns (api.ripple.Reseller) {
     option (google.api.http) = {
@@ -1836,3 +1843,10 @@ message RippleV2InvoiceListingResponse {
   string billingAmountGcp = 8;
 }
 
+message GetBillingGroupInvoiceServiceDiscountsRequest {
+  string groupId = 1;
+}
+
+message GetBillingGroupInvoiceServiceDiscountsResponse {
+  string serviceDiscountId = 1;
+}
diff --git a/openapiv2/apidocs.swagger.json b/openapiv2/apidocs.swagger.json
index c75ee838..c4489bc8 100644
--- a/openapiv2/apidocs.swagger.json
+++ b/openapiv2/apidocs.swagger.json
@@ -9837,6 +9837,37 @@
         ]
       }
     },
+    "/v1/servicediscounts/{groupId}/billinggroup": {
+      "get": {
+        "summary": "Returns the service discount associated with the billing group id",
+        "operationId": "Billing_GetBillingGroupServiceDiscounts",
+        "responses": {
+          "200": {
+            "description": "A successful response.",
+            "schema": {
+              "$ref": "#/definitions/v1GetBillingGroupInvoiceServiceDiscountsResponse"
+            }
+          },
+          "default": {
+            "description": "An unexpected error response.",
+            "schema": {
+              "$ref": "#/definitions/googlerpcStatus"
+            }
+          }
+        },
+        "parameters": [
+          {
+            "name": "groupId",
+            "in": "path",
+            "required": true,
+            "type": "string"
+          }
+        ],
+        "tags": [
+          "Billing"
+        ]
+      }
+    },
     "/v1/servicediscounts/{id}": {
       "get": {
         "summary": "WORK-IN-PROGRESS: Gets the invoice service discounts. Only available in Ripple.",
@@ -27244,6 +27275,14 @@
         }
       }
     },
+    "v1GetBillingGroupInvoiceServiceDiscountsResponse": {
+      "type": "object",
+      "properties": {
+        "serviceDiscountId": {
+          "type": "string"
+        }
+      }
+    },
     "v1GetBillingGroupResponse": {
       "type": "object",
       "properties": {