diff --git a/types/chartmogul-node/chartmogul-node-tests.ts b/types/chartmogul-node/chartmogul-node-tests.ts
index da10abd9f8fe4b..328be18429fe41 100644
--- a/types/chartmogul-node/chartmogul-node-tests.ts
+++ b/types/chartmogul-node/chartmogul-node-tests.ts
@@ -96,6 +96,16 @@ ChartMogul.Customer.merge(config, {
 // $ExpectType Promise<Attributes>
 ChartMogul.Customer.attributes(config, "");
 
+// $ExpectType Promise<{}>
+ChartMogul.Customer.connectSubscriptions(config, "customer-uuid", {
+    subscriptions: [{ uuid: "sub-uuid", data_source_uuid: "ds-uuid" }],
+});
+
+// $ExpectType Promise<{}>
+ChartMogul.Customer.disconnectSubscriptions(config, "customer-uuid", {
+    subscriptions: [{ uuid: "sub-uuid" }],
+});
+
 // $ExpectType Promise<Plan>
 ChartMogul.Plan.create(config, {
     data_source_uuid: "",
@@ -296,3 +306,13 @@ ChartMogul.Metrics.Customer.activities(config, "", {
     data.entries[0]["activity-mrr"]; // $ExpectType number
     data.page!; // $ExpectType number
 });
+
+// $ExpectType Promise<{}>
+ChartMogul.Metrics.Customer.connectSubscriptions(config, "ds-uuid", "customer-uuid", {
+    subscriptions: [{ uuid: "sub-uuid", data_source_uuid: "ds-uuid" }],
+});
+
+// $ExpectType Promise<{}>
+ChartMogul.Metrics.Customer.disconnectSubscriptions(config, "ds-uuid", "customer-uuid", {
+    subscriptions: [{ uuid: "sub-uuid", data_source_uuid: "ds-uuid" }],
+});
diff --git a/types/chartmogul-node/index.d.ts b/types/chartmogul-node/index.d.ts
index c55022c3baa54f..6da4deb2595d6b 100644
--- a/types/chartmogul-node/index.d.ts
+++ b/types/chartmogul-node/index.d.ts
@@ -154,6 +154,10 @@ export namespace Customer {
         into: MergeID;
     }
 
+    interface SubscriptionData {
+        subscriptions: Array<{ uuid: string; data_source_uuid?: string }>;
+    }
+
     function create(config: Config, data: NewCustomer): Promise<Customer>;
     function retrieve(config: Config, uuid: string): Promise<Customer>;
     function modify(config: Config, uuid: string, data: UpdateCustomer): Promise<Customer>;
@@ -162,6 +166,14 @@ export namespace Customer {
     function search(config: Config, params?: SearchCustomersParams): Promise<Entries<Customer>>;
     function merge(config: Config, params?: MergeCustomersParams): Promise<{}>;
     function attributes(config: Config, uuid: string): Promise<Attributes>;
+    /**
+     * @deprecated Use Metrics.Customer.connectSubscriptions instead
+     */
+    function connectSubscriptions(config: Config, customerUuid: string, data: SubscriptionData): Promise<{}>;
+    /**
+     * @deprecated Use Metrics.Customer.disconnectSubscriptions instead
+     */
+    function disconnectSubscriptions(config: Config, customerUuid: string, data: SubscriptionData): Promise<{}>;
 }
 
 export namespace Plan {
@@ -413,12 +425,28 @@ export namespace Metrics {
             type: string;
         }
 
+        interface SubscriptionConnectionData {
+            subscriptions: Array<{ uuid: string; data_source_uuid: string }>;
+        }
+
         function subscriptions(
             config: Config,
             uuid: string,
             params?: CursorParams,
         ): Promise<Entries<MetricsSubscription>>;
         function activities(config: Config, uuid: string, params?: CursorParams): Promise<Entries<MetricsActivity>>;
+        function connectSubscriptions(
+            config: Config,
+            dataSourceUuid: string,
+            customerUuid: string,
+            data: SubscriptionConnectionData,
+        ): Promise<{}>;
+        function disconnectSubscriptions(
+            config: Config,
+            dataSourceUuid: string,
+            customerUuid: string,
+            data: SubscriptionConnectionData,
+        ): Promise<{}>;
     }
 }
 
diff --git a/types/chartmogul-node/package.json b/types/chartmogul-node/package.json
index 8b35ef419b9036..55baa19cb6be36 100644
--- a/types/chartmogul-node/package.json
+++ b/types/chartmogul-node/package.json
@@ -1,7 +1,7 @@
 {
     "private": true,
     "name": "@types/chartmogul-node",
-    "version": "3.8.9999",
+    "version": "3.9.9999",
     "projects": [
         "https://github.com/chartmogul/chartmogul-node"
     ],