diff --git a/pages/api/users/[id]/usage.ts b/pages/api/users/[id]/usage.ts
new file mode 100644
index 00000000..0118df92
--- /dev/null
+++ b/pages/api/users/[id]/usage.ts
@@ -0,0 +1,74 @@
+import { useAuth, useCors } from 'lib/middleware';
+import { NextApiRequestQueryBody } from 'lib/types';
+import { NextApiResponse } from 'next';
+import { methodNotAllowed, ok, unauthorized } from 'next-basics';
+import { getEventDataUsage, getEventUsage, getUserWebsites } from 'queries';
+
+export interface UserUsageRequestQuery {
+  id: string;
+  startAt: string;
+  endAt: string;
+}
+
+export interface UserUsageRequestResponse {
+  websiteEventUsage: number;
+  eventDataUsage: number;
+  websites: {
+    websiteEventUsage: number;
+    eventDataUsage: number;
+    websiteId: string;
+    websiteName: string;
+  }[];
+}
+
+export default async (
+  req: NextApiRequestQueryBody<UserUsageRequestQuery>,
+  res: NextApiResponse<UserUsageRequestResponse>,
+) => {
+  await useCors(req, res);
+  await useAuth(req, res);
+
+  const { user } = req.auth;
+
+  if (req.method === 'GET') {
+    if (!user.isAdmin) {
+      return unauthorized(res);
+    }
+
+    const { id: userId, startAt, endAt } = req.query;
+
+    const startDate = new Date(+startAt);
+    const endDate = new Date(+endAt);
+
+    const websites = await getUserWebsites(userId);
+
+    const websiteIds = websites.map(a => a.id);
+
+    const websiteEventUsage = await getEventUsage(websiteIds, startDate, endDate);
+    const eventDataUsage = await getEventDataUsage(websiteIds, startDate, endDate);
+
+    const websiteUsage = websites.map(a => ({
+      websiteId: a.id,
+      websiteName: a.name,
+      websiteEventUsage: websiteEventUsage.find(b => a.id === b.websiteId)?.count || 0,
+      eventDataUsage: eventDataUsage.find(b => a.id === b.websiteId)?.count || 0,
+    }));
+
+    const usage = websiteUsage.reduce(
+      (acc, cv) => {
+        acc.websiteEventUsage += cv.websiteEventUsage;
+        acc.eventDataUsage += cv.eventDataUsage;
+
+        return acc;
+      },
+      { websiteEventUsage: 0, eventDataUsage: 0 },
+    );
+
+    return ok(res, {
+      ...usage,
+      websites: websiteUsage,
+    });
+  }
+
+  return methodNotAllowed(res);
+};
diff --git a/pages/api/users/[id]/websites.ts b/pages/api/users/[id]/websites.ts
index c8b874bb..de4a3a3a 100644
--- a/pages/api/users/[id]/websites.ts
+++ b/pages/api/users/[id]/websites.ts
@@ -4,14 +4,14 @@ import { NextApiResponse } from 'next';
 import { methodNotAllowed, ok, unauthorized } from 'next-basics';
 import { getUserWebsites } from 'queries';
 
-export interface WebsitesRequestBody {
+export interface UserWebsitesRequestBody {
   name: string;
   domain: string;
   shareId: string;
 }
 
 export default async (
-  req: NextApiRequestQueryBody<any, WebsitesRequestBody>,
+  req: NextApiRequestQueryBody<any, UserWebsitesRequestBody>,
   res: NextApiResponse,
 ) => {
   await useCors(req, res);
diff --git a/queries/analytics/event/getEventUsage.ts b/queries/analytics/event/getEventUsage.ts
new file mode 100644
index 00000000..1465264c
--- /dev/null
+++ b/queries/analytics/event/getEventUsage.ts
@@ -0,0 +1,32 @@
+import clickhouse from 'lib/clickhouse';
+import { CLICKHOUSE, PRISMA, runQuery } from 'lib/db';
+
+export function getEventUsage(...args: [websiteIds: string[], startDate: Date, endDate: Date]) {
+  return runQuery({
+    [PRISMA]: () => relationalQuery(...args),
+    [CLICKHOUSE]: () => clickhouseQuery(...args),
+  });
+}
+
+function relationalQuery(websiteIds: string[], startDate: Date, endDate: Date) {
+  throw new Error('Not Implemented');
+}
+
+function clickhouseQuery(websiteIds: string[], startDate: Date, endDate: Date) {
+  const { rawQuery } = clickhouse;
+
+  return rawQuery(
+    `select 
+        website_id as websiteId,
+        count(*) as count
+    from website_event 
+    where created_at between {startDate:DateTime64} and {endDate:DateTime64}
+    and website_id in {websiteIds:Array(UUID)}
+    group by website_id`,
+    {
+      websiteIds,
+      startDate,
+      endDate,
+    },
+  );
+}
diff --git a/queries/analytics/eventData/getEventDataUsage.ts b/queries/analytics/eventData/getEventDataUsage.ts
new file mode 100644
index 00000000..5d470c3c
--- /dev/null
+++ b/queries/analytics/eventData/getEventDataUsage.ts
@@ -0,0 +1,32 @@
+import clickhouse from 'lib/clickhouse';
+import { CLICKHOUSE, PRISMA, runQuery } from 'lib/db';
+
+export function getEventDataUsage(...args: [websiteIds: string[], startDate: Date, endDate: Date]) {
+  return runQuery({
+    [PRISMA]: () => relationalQuery(...args),
+    [CLICKHOUSE]: () => clickhouseQuery(...args),
+  });
+}
+
+function relationalQuery(websiteIds: string[], startDate: Date, endDate: Date) {
+  throw new Error('Not Implemented');
+}
+
+function clickhouseQuery(websiteIds: string[], startDate: Date, endDate: Date) {
+  const { rawQuery } = clickhouse;
+
+  return rawQuery(
+    `select 
+        website_id as websiteId,
+        count(*) as count
+    from event_data 
+    where created_at between {startDate:DateTime64} and {endDate:DateTime64}
+    and website_id in {websiteIds:Array(UUID)}
+    group by website_id`,
+    {
+      websiteIds,
+      startDate,
+      endDate,
+    },
+  );
+}
diff --git a/queries/index.js b/queries/index.js
index 1275e173..d87d5dd5 100644
--- a/queries/index.js
+++ b/queries/index.js
@@ -3,8 +3,10 @@ export * from './admin/teamUser';
 export * from './admin/user';
 export * from './admin/website';
 export * from './analytics/event/getEventMetrics';
+export * from './analytics/event/getEventUsage';
 export * from './analytics/event/getEvents';
 export * from './analytics/eventData/getEventData';
+export * from './analytics/eventData/getEventDataUsage';
 export * from './analytics/event/saveEvent';
 export * from './analytics/pageview/getPageviewMetrics';
 export * from './analytics/pageview/getPageviewStats';