add fe changes

app/javascript/dashboard/api/enterprise/account.js

@@ -23,6 +23,45 @@ class EnterpriseAccountAPI extends ApiClient {
       action_type: action,
     });
   }
+
+  // V2 Billing APIs
+  creditsBalance() {
+    return axios.get(`${this.url}credits_balance`);
+  }
+
+  creditGrants() {
+    return axios.get(`${this.url}credit_grants`);
+  }
+
+  v2PricingPlans() {
+    return axios.get(`${this.url}v2_pricing_plans`);
+  }
+
+  v2TopupOptions() {
+    return axios.get(`${this.url}v2_topup_options`);
+  }
+
+  v2Topup(data) {
+    return axios.post(`${this.url}v2_topup`, data);
+  }
+
+  v2Subscribe(data) {
+    return axios.post(`${this.url}v2_subscribe`, data);
+  }
+
+  cancelSubscription(data = {}) {
+    return axios.post(`${this.url}cancel_subscription`, data);
+  }
+
+  updateSubscriptionQuantity(quantity) {
+    return axios.post(`${this.url}update_subscription_quantity`, {
+      quantity,
+    });
+  }
+
+  changePricingPlan(data) {
+    return axios.post(`${this.url}change_pricing_plan`, data);
+  }
 }
 
 export default new EnterpriseAccountAPI();