diff --git a/app/admin/ai-chat/ai-chat-v2.tsx b/app/admin/ai-chat/ai-chat-v2.tsx
index 256e0d8..eb4720d 100644
--- a/app/admin/ai-chat/ai-chat-v2.tsx
+++ b/app/admin/ai-chat/ai-chat-v2.tsx
@@ -69,8 +69,8 @@ function AIChatManagementPageContent() {
   const [selectedSessionId, setSelectedSessionId] = useState<string>('');
 
   const { data: sessionsData, isLoading, refetch } = useAiChatSessions(appliedParams);
-  const sessions = sessionsData?.sessions || [];
-  const totalCount = sessionsData?.total || 0;
+  const sessions = sessionsData?.items ?? [];
+  const totalCount = sessionsData?.pagination?.total ?? 0;
 
   const { data: messagesData, isLoading: messagesLoading } = useAiChatMessages(selectedSessionId);
 
@@ -153,7 +153,7 @@ function AIChatManagementPageContent() {
     }
   };
 
-  const selectedSession = messagesData?.session ?? null;
+  const selectedSession = sessions.find((s: any) => s.id === selectedSessionId) ?? null;
   const messages = messagesData?.messages ?? [];
 
   return (
diff --git a/app/services/admin/dashboard.ts b/app/services/admin/dashboard.ts
index 184e467..71974f4 100644
--- a/app/services/admin/dashboard.ts
+++ b/app/services/admin/dashboard.ts
@@ -370,6 +370,49 @@ export const stats = {
 	},
 };
 
+export const dashboardV2 = {
+	getSummary: async (startDate?: string, endDate?: string) => {
+		// V2 ADAPTER
+		const params: any = {};
+		if (startDate) params.startDate = startDate;
+		if (endDate) params.endDate = endDate;
+		const response = await axiosServer.get('/admin/v2/dashboard/summary', { params });
+		return response.data.data;
+	},
+
+	getRevenue: async () => {
+		// V2 ADAPTER
+		const response = await axiosServer.get('/admin/v2/dashboard/revenue');
+		return response.data.data;
+	},
+
+	getSignups: async (date?: string) => {
+		// V2 ADAPTER
+		const params: any = {};
+		if (date) params.date = date;
+		const response = await axiosServer.get('/admin/v2/dashboard/signups', { params });
+		return response.data.data;
+	},
+
+	getStatsOverview: async (startDate?: string, endDate?: string) => {
+		// V2 ADAPTER
+		const params: any = {};
+		if (startDate) params.startDate = startDate;
+		if (endDate) params.endDate = endDate;
+		const response = await axiosServer.get('/admin/v2/stats/overview', { params });
+		return response.data.data;
+	},
+
+	getRetention: async (startDate?: string, endDate?: string) => {
+		// V2 ADAPTER
+		const params: any = {};
+		if (startDate) params.startDate = startDate;
+		if (endDate) params.endDate = endDate;
+		const response = await axiosServer.get('/admin/v2/stats/retention', { params });
+		return response.data.data;
+	},
+};
+
 export const kpiReport = {
 	getLatest: async (): Promise<import('@/app/admin/kpi-report/types').KpiReport> => {
 		try {
diff --git a/app/services/admin/messaging.ts b/app/services/admin/messaging.ts
index e080279..93cc204 100644
--- a/app/services/admin/messaging.ts
+++ b/app/services/admin/messaging.ts
@@ -77,9 +77,18 @@ export const aiChat = {
 				}
 			});
 
-			const response = await axiosServer.get(`/admin/ai-chat/sessions?${queryParams.toString()}`);
-			;
-			return response.data;
+			const response = await axiosServer.get(`/admin/v2/ai-chat/sessions?${queryParams.toString()}`);
+			// V2 ADAPTER: v2 returns { data: AiChatSessionItem[] }, adapt to v1 shape { items, pagination }
+			const items = response.data.data ?? [];
+			return {
+				items,
+				pagination: {
+					page: params.page ?? 1,
+					limit: params.limit ?? 20,
+					total: items.length,
+					hasMore: false,
+				},
+			};
 		} catch (error) {
 			throw error;
 		}
@@ -88,9 +97,14 @@ export const aiChat = {
 	// AI 채팅 메시지 상세 조회
 	getMessages: async (sessionId: string) => {
 		try {
-			const response = await axiosServer.get(`/admin/ai-chat/messages?sessionId=${sessionId}`);
-			;
-			return response.data;
+			const response = await axiosServer.get(`/admin/v2/ai-chat/sessions/${sessionId}/messages`);
+			// V2 ADAPTER: v2 returns { data: AiChatMessageItem[] }, adapt to v1 shape { messages, sessionId, userId }
+			const messages = response.data.data ?? [];
+			return {
+				messages,
+				sessionId,
+				userId: messages[0]?.userId ?? null,
+			};
 		} catch (error) {
 			throw error;
 		}
diff --git a/app/services/admin/moderation.ts b/app/services/admin/moderation.ts
index 056aa45..0069fd5 100644
--- a/app/services/admin/moderation.ts
+++ b/app/services/admin/moderation.ts
@@ -75,11 +75,37 @@ export interface PendingUsersFilter {
 	region?: string;
 }
 
+const adaptV2ReportItem = (item: any) => ({
+	id: item.id,
+	reporter: {
+		id: item.reporterId,
+		name: item.reporterName || '알 수 없음',
+		email: '',
+		phoneNumber: '',
+		age: 0,
+		gender: 'MALE' as 'MALE' | 'FEMALE',
+		profileImageUrl: '',
+	},
+	reported: {
+		id: item.targetId,
+		name: item.targetName || '알 수 없음',
+		email: '',
+		phoneNumber: '',
+		age: 0,
+		gender: 'MALE' as 'MALE' | 'FEMALE',
+		profileImageUrl: '',
+	},
+	reason: item.reason || '',
+	description: null,
+	evidenceImages: [],
+	status: item.status || 'pending',
+	createdAt: item.createdAt,
+	updatedAt: null,
+});
+
 export const reports = {
 	getProfileReports: async (params: URLSearchParams) => {
 		try {
-			;
-
 			const page = params.get('page') || '1';
 			const limit = params.get('limit') || '10';
 			const status = params.get('status');
@@ -92,39 +118,9 @@ export const reports = {
 				queryParams.append('status', status === 'pending' ? 'pending' : 'processed');
 			}
 
-			const endpoint = `/admin/community/reports?${queryParams.toString()}`;
-			;
-
-			const response = await axiosServer.get(endpoint);
-			;
+			const response = await axiosServer.get(`/admin/v2/reports?${queryParams.toString()}`);
 
-			const transformedItems = (response.data.items || []).map((item: any) => ({
-				id: item.id,
-				reporter: {
-					id: item.reporter?.id || item.reporterId,
-					name: item.reporter?.name || item.reporterName || '알 수 없음',
-					email: item.reporter?.email || '',
-					phoneNumber: item.reporter?.phoneNumber || '',
-					age: item.reporter?.age || item.reporterAge || 0,
-					gender: (item.reporter?.gender || item.reporterGender || 'MALE') as 'MALE' | 'FEMALE',
-					profileImageUrl: item.reporter?.profileImageUrl || '',
-				},
-				reported: {
-					id: item.reported?.id || item.reportedId,
-					name: item.reported?.name || item.reportedName || '알 수 없음',
-					email: item.reported?.email || '',
-					phoneNumber: item.reported?.phoneNumber || '',
-					age: item.reported?.age || item.reportedAge || 0,
-					gender: (item.reported?.gender || item.reportedGender || 'MALE') as 'MALE' | 'FEMALE',
-					profileImageUrl: item.reported?.profileImageUrl || '',
-				},
-				reason: item.reason || '',
-				description: item.description || null,
-				evidenceImages: item.evidenceImages || [],
-				status: item.status || 'pending',
-				createdAt: item.createdAt,
-				updatedAt: null,
-			}));
+			const transformedItems = (response.data.data || []).map(adaptV2ReportItem);
 
 			return {
 				items: transformedItems,
@@ -137,10 +133,8 @@ export const reports = {
 
 	getProfileReportDetail: async (reportId: string) => {
 		try {
-			const response = await axiosServer.get(
-				`/admin/community/reports/profiles/${reportId}/detail`,
-			);
-			return response.data;
+			const response = await axiosServer.get(`/admin/v2/reports/${reportId}`);
+			return adaptV2ReportItem(response.data.data);
 		} catch (error: any) {
 			throw error;
 		}
@@ -152,11 +146,11 @@ export const reports = {
 		adminMemo?: string,
 	) => {
 		try {
-			const response = await axiosServer.patch(
-				`/admin/community/reports/profiles/${reportId}/status`,
-				{ status, adminMemo },
-			);
-			return response.data;
+			const response = await axiosServer.patch(`/admin/v2/reports/${reportId}/status`, {
+				status,
+				reason: adminMemo,
+			});
+			return adaptV2ReportItem(response.data.data);
 		} catch (error: any) {
 			throw error;
 		}
@@ -205,12 +199,12 @@ export const userReview = {
 				params.excludeUserIds = excludeUserIds.join(',');
 			}
 
-			const response = await axiosServer.get('/admin/profile-images/pending', {
+			// V2 ADAPTER
+			const response = await axiosServer.get('/admin/v2/profile-review/pending', {
 				params,
 			});
 
-			;
-			return response.data;
+			return response.data.data ?? response.data;
 		} catch (error: any) {
 			throw error;
 		}
@@ -220,10 +214,10 @@ export const userReview = {
 		try {
 			;
 
-			const response = await axiosServer.get(`/admin/user-review/${userId}`);
+			// V2 ADAPTER
+			const response = await axiosServer.get(`/admin/v2/profile-review/users/${userId}`);
 
-			;
-			return response.data;
+			return response.data.data ?? response.data;
 		} catch (error: any) {
 			throw error;
 		}
@@ -233,9 +227,11 @@ export const userReview = {
 		try {
 			;
 
-			const response = await axiosServer.post(`/admin/profile-images/users/${userId}/approve`);
+			// V2 ADAPTER
+			const response = await axiosServer.post(
+				`/admin/v2/profile-review/users/${userId}/approve-profile`,
+			);
 
-			;
 			return response.data;
 		} catch (error: any) {
 			throw error;
@@ -246,12 +242,12 @@ export const userReview = {
 		try {
 			;
 
-			const response = await axiosServer.post(`/admin/user-review/${userId}/reject`, {
-				category,
-				reason,
-			});
+			// V2 ADAPTER
+			const response = await axiosServer.post(
+				`/admin/v2/profile-review/users/${userId}/reject-profile`,
+				{ category, reason },
+			);
 
-			;
 			return response.data;
 		} catch (error: any) {
 			throw error;
@@ -293,13 +289,13 @@ export const userReview = {
 		try {
 			;
 
+			// V2 ADAPTER
 			const response = await axiosServer.patch(
-				`/admin/profiles/${userId}/rank`,
+				`/admin/v2/profile-review/users/${userId}/rank`,
 				{ rank },
 				{ params: { emitEvent } },
 			);
 
-			;
 			return response.data;
 		} catch (error: any) {
 			throw error;
@@ -325,7 +321,8 @@ export const userReview = {
 			if (filters.universityId) params.universityId = filters.universityId;
 			if (filters.reviewedBy) params.reviewedBy = filters.reviewedBy;
 
-			const response = await axiosServer.get('/admin/profile-images/review-history', {
+			// V2 ADAPTER
+			const response = await axiosServer.get('/admin/v2/profile-review/history', {
 				params,
 			});
 
diff --git a/app/services/admin/users.ts b/app/services/admin/users.ts
index 59d8bc0..5990a67 100644
--- a/app/services/admin/users.ts
+++ b/app/services/admin/users.ts
@@ -56,15 +56,12 @@ export const userAppearance = {
 				queryParams.append('includeDeleted', params.includeDeleted.toString());
 			if (params.userStatus) queryParams.append('userStatus', params.userStatus);
 
-			const url = `/admin/users/appearance?${queryParams.toString()}`;
-			;
-			;
+			// V2 ADAPTER: list → GET /admin/v2/users
+			const url = `/admin/v2/users?${queryParams.toString()}`;
 
 			try {
 				const response = await axiosServer.get(url);
-				;
-				;
-				return response.data;
+				return response.data?.data ?? response.data;
 			} catch (error: any) {
 				throw error;
 			}
@@ -103,9 +100,9 @@ export const userAppearance = {
 			throw new Error('등급이 없습니다.');
 		}
 
+		// V2 ADAPTER: individual rank → PATCH /admin/v2/users/:userId/appearance
 		try {
-			const response = await axiosServer.patch(`/admin/users/appearance/${userId}`, { grade });
-			;
+			const response = await axiosServer.patch(`/admin/v2/users/${userId}/appearance`, { rank: grade });
 			return response.data;
 		} catch (error: any) {
 			throw error;
@@ -138,10 +135,11 @@ export const userAppearance = {
 	) => {
 		;
 
+		// V2 ADAPTER: bulk rank → PATCH /admin/v2/users/appearance/bulk
 		try {
-			const response = await axiosServer.patch('/admin/users/appearance/bulk', {
+			const response = await axiosServer.patch('/admin/v2/users/appearance/bulk', {
 				userIds,
-				grade,
+				rank: grade,
 			});
 			return response.data;
 		} catch (error) {
@@ -150,32 +148,27 @@ export const userAppearance = {
 	},
 
 	getUserDetails: async (userId: string) => {
+		// V2 ADAPTER: detail → GET /admin/v2/users/:userId
 		try {
-			;
-
-			const endpoint = `/admin/user-review/${userId}`;
-			;
-
-			const response = await axiosServer.get(endpoint);
-			;
-
-			const data = response.data;
-
-			if (
-				data.profileImageUrls &&
-				Array.isArray(data.profileImageUrls) &&
-				data.profileImageUrls.length > 0
-			) {
-				data.profileImages = data.profileImageUrls.map((url: string, index: number) => ({
-					id: `${userId}-${index}`,
-					url: url,
-					order: index,
-					isMain: index === 0,
-				}));
-				data.profileImageUrl = data.profileImageUrls[0];
-			}
-
-			return data;
+			const response = await axiosServer.get(`/admin/v2/users/${userId}`);
+			const raw = response.data?.data ?? response.data;
+
+			const images: { id: string; url: string; order: number; isMain: boolean }[] =
+				Array.isArray(raw.images)
+					? raw.images.map((url: string, index: number) => ({
+							id: `${userId}-${index}`,
+							url,
+							order: index,
+							isMain: index === 0,
+					  }))
+					: [];
+
+			return {
+				...raw,
+				profileImages: images,
+				profileImageUrl: images[0]?.url ?? null,
+				profileImageUrls: images.map((img) => img.url),
+			};
 		} catch (error: any) {
 			throw error;
 		}
@@ -276,6 +269,7 @@ export const userAppearance = {
 		}
 	},
 
+	// V1 KEPT
 	updateUserProfile: async (userId: string, profileData: any) => {
 		try {
 			;
diff --git a/app/services/chat.ts b/app/services/chat.ts
index b98fd87..711517f 100644
--- a/app/services/chat.ts
+++ b/app/services/chat.ts
@@ -111,80 +111,101 @@ export interface ChatCsvExportParams {
 }
 
 class ChatService {
-  async getChatRooms(params: ChatRoomsParams): Promise<ChatRoomsResponse> {
-    try {
-      const response = await axiosServer.get<ChatRoomsResponse>('/admin/chat/rooms', {
-        params: {
-          startDate: params.startDate,
-          endDate: params.endDate,
-          preset: params.preset,
-          searchName: params.searchName,
-          page: params.page || 1,
-          limit: params.limit || 20
-        }
-      });
-      return response.data;
-    } catch (error: any) {
-      console.error('채팅방 목록 조회 실패:', error);
-      throw new Error(error.response?.data?.message || '채팅방 목록을 불러오는데 실패했습니다.');
-    }
-  }
-
-  async getChatMessages(params: ChatMessagesParams): Promise<ChatMessagesResponse> {
-    try {
-      const response = await axiosServer.get<ChatMessagesResponse>('/admin/chat/messages', {
-        params: {
-          chatRoomId: params.chatRoomId,
-        }
-      });
-      return response.data;
-    } catch (error: any) {
-      console.error('채팅 메시지 조회 실패:', error);
-      throw new Error(error.response?.data?.message || '채팅 메시지를 불러오는데 실패했습니다.');
-    }
-  }
-
-  async getChatStats(params: ChatStatsParams = {}): Promise<ChatStatsResponse> {
-    try {
-      const response = await axiosServer.get<ChatStatsResponse>('/admin/chat/stats', {
-        params: {
-          startDate: params.startDate,
-          endDate: params.endDate,
-          preset: params.preset,
-        }
-      });
-      return response.data;
-    } catch (error: any) {
-      console.error('채팅 통계 조회 실패:', error);
-      throw new Error(error.response?.data?.message || '채팅 통계를 불러오는데 실패했습니다.');
-    }
-  }
-
-  async exportChatsToCsv(params: ChatCsvExportParams = {}): Promise<void> {
-    try {
-      const response = await axiosServer.get('/admin/chat/export/csv', {
-        params: {
-          startDate: params.startDate,
-          endDate: params.endDate,
-          preset: params.preset,
-        },
-        responseType: 'blob'
-      });
-
-      const blob = new Blob([response.data], { type: 'text/csv;charset=utf-8' });
-      const url = window.URL.createObjectURL(blob);
-      const link = document.createElement('a');
-      link.href = url;
-      link.setAttribute('download', `chat_export_${new Date().toISOString().split('T')[0]}.csv`);
-      document.body.appendChild(link);
-      link.click();
-      link.remove();
-      window.URL.revokeObjectURL(url);
-    } catch (error: any) {
-      console.error('채팅 CSV 내보내기 실패:', error);
-      throw new Error(error.response?.data?.message || 'CSV 내보내기에 실패했습니다.');
-    }
-  }
+	async getChatRooms(params: ChatRoomsParams): Promise<ChatRoomsResponse> {
+		// V2 ADAPTER
+		try {
+			const page = params.page || 1;
+			const limit = params.limit || 20;
+			const response = await axiosServer.get<{ data: ChatRoom[] }>('/admin/v2/chat/rooms', {
+				params: {
+					startDate: params.startDate,
+					endDate: params.endDate,
+					preset: params.preset,
+					searchName: params.searchName,
+					page,
+					limit,
+				},
+			});
+			const items = response.data.data;
+			return {
+				chatRooms: items,
+				total: items.length,
+				page,
+				limit,
+				totalPages: Math.ceil(items.length / limit) || 1,
+				appliedStartDate: params.startDate ?? null,
+				appliedEndDate: params.endDate ?? null,
+			};
+		} catch (error: any) {
+			console.error('채팅방 목록 조회 실패:', error);
+			throw new Error(error.response?.data?.message || '채팅방 목록을 불러오는데 실패했습니다.');
+		}
+	}
+
+	async getChatMessages(params: ChatMessagesParams): Promise<ChatMessagesResponse> {
+		// V2 ADAPTER
+		try {
+			const response = await axiosServer.get<{
+				data: { messages: ChatMessage[]; total: number; nextCursor: string | null; hasMore: boolean };
+			}>(`/admin/v2/chat/rooms/${params.chatRoomId}/messages`);
+			const { messages, total } = response.data.data;
+			return { messages, total };
+		} catch (error: any) {
+			console.error('채팅 메시지 조회 실패:', error);
+			throw new Error(error.response?.data?.message || '채팅 메시지를 불러오는데 실패했습니다.');
+		}
+	}
+
+	async getChatStats(params: ChatStatsParams = {}): Promise<ChatStatsResponse> {
+		// V2 ADAPTER
+		try {
+			const response = await axiosServer.get<{ data: ChatStatsSummary }>('/admin/v2/chat/stats', {
+				params: {
+					startDate: params.startDate,
+					endDate: params.endDate,
+					preset: params.preset,
+				},
+			});
+			return {
+				summary: response.data.data,
+				hourlyDistribution: [],
+				dailyTrend: [],
+				messageLengthDistribution: [],
+				startDate: params.startDate ?? '',
+				endDate: params.endDate ?? '',
+			};
+		} catch (error: any) {
+			console.error('채팅 통계 조회 실패:', error);
+			throw new Error(error.response?.data?.message || '채팅 통계를 불러오는데 실패했습니다.');
+		}
+	}
+
+	async exportChatsToCsv(params: ChatCsvExportParams = {}): Promise<void> {
+		// V2 ADAPTER
+		try {
+			const response = await axiosServer.get('/admin/v2/chat/export', {
+				params: {
+					startDate: params.startDate,
+					endDate: params.endDate,
+					preset: params.preset,
+				},
+				responseType: 'blob',
+			});
+
+			const blob = new Blob([response.data], { type: 'text/csv;charset=utf-8' });
+			const url = window.URL.createObjectURL(blob);
+			const link = document.createElement('a');
+			link.href = url;
+			link.setAttribute('download', `chat_export_${new Date().toISOString().split('T')[0]}.csv`);
+			document.body.appendChild(link);
+			link.click();
+			link.remove();
+			window.URL.revokeObjectURL(url);
+		} catch (error: any) {
+			console.error('채팅 CSV 내보내기 실패:', error);
+			throw new Error(error.response?.data?.message || 'CSV 내보내기에 실패했습니다.');
+		}
+	}
 }
 
 const chatService = new ChatService();