diff --git a/src/im/api.ts b/src/im/api.ts
index 0af7d58..955523a 100644
--- a/src/im/api.ts
+++ b/src/im/api.ts
@@ -3,7 +3,10 @@ import { http } from '../core/http'
 import type {
   ChatType,
   ConversationView,
+  FriendRequest,
   HistoryQuery,
+  GroupJoinRequest,
+  ImGroup,
   ImMessage,
   PageResult,
   UserProfile,
@@ -100,3 +103,68 @@ export function updateProfile(
     appQuery({ nickname, avatar, gender }),
   )
 }
+
+export function listFriends(): Promise<string[]> {
+  return http.get<string[]>('/api/im/friends', appQuery())
+}
+
+export function listGroups(): Promise<ImGroup[]> {
+  return http.get<ImGroup[]>('/api/im/groups', appQuery())
+}
+
+export function getGroupInfo(groupId: string): Promise<ImGroup> {
+  return http.get<ImGroup>(`/api/im/groups/${encodeURIComponent(groupId)}`, appQuery())
+}
+
+export function sendFriendRequest(toUserId: string, remark?: string): Promise<FriendRequest> {
+  return http.post<FriendRequest>(
+    '/api/im/friend-requests',
+    undefined,
+    appQuery({
+      toUserId,
+      ...(remark ? { remark } : {}),
+    }),
+  )
+}
+
+export function listFriendRequests(direction: 'incoming' | 'outgoing' = 'incoming'): Promise<FriendRequest[]> {
+  return http.get<FriendRequest[]>('/api/im/friend-requests', appQuery({ direction }))
+}
+
+export function acceptFriendRequest(requestId: string): Promise<FriendRequest> {
+  return http.post<FriendRequest>(`/api/im/friend-requests/${encodeURIComponent(requestId)}/accept`, undefined, appQuery())
+}
+
+export function rejectFriendRequest(requestId: string): Promise<FriendRequest> {
+  return http.post<FriendRequest>(`/api/im/friend-requests/${encodeURIComponent(requestId)}/reject`, undefined, appQuery())
+}
+
+export function sendGroupJoinRequest(groupId: string, remark?: string): Promise<GroupJoinRequest> {
+  return http.post<GroupJoinRequest>(
+    `/api/im/groups/${encodeURIComponent(groupId)}/join-requests`,
+    undefined,
+    appQuery({
+      ...(remark ? { remark } : {}),
+    }),
+  )
+}
+
+export function listGroupJoinRequests(groupId: string): Promise<GroupJoinRequest[]> {
+  return http.get<GroupJoinRequest[]>(`/api/im/groups/${encodeURIComponent(groupId)}/join-requests`, appQuery())
+}
+
+export function acceptGroupJoinRequest(groupId: string, requestId: string): Promise<GroupJoinRequest> {
+  return http.post<GroupJoinRequest>(
+    `/api/im/groups/${encodeURIComponent(groupId)}/join-requests/${encodeURIComponent(requestId)}/accept`,
+    undefined,
+    appQuery(),
+  )
+}
+
+export function rejectGroupJoinRequest(groupId: string, requestId: string): Promise<GroupJoinRequest> {
+  return http.post<GroupJoinRequest>(
+    `/api/im/groups/${encodeURIComponent(groupId)}/join-requests/${encodeURIComponent(requestId)}/reject`,
+    undefined,
+    appQuery(),
+  )
+}
diff --git a/src/im/useIm.ts b/src/im/useIm.ts
index ba6d5c3..60b6f64 100644
--- a/src/im/useIm.ts
+++ b/src/im/useIm.ts
@@ -2,10 +2,21 @@ import { ref, shallowRef, onUnmounted } from 'vue'
 import { ImClient } from './ImClient'
 import {
   deleteConversation,
+  acceptFriendRequest,
+  acceptGroupJoinRequest,
+  getGroupInfo,
   fetchGroupHistory,
   fetchHistory,
+  listFriendRequests,
+  listFriends,
+  listGroupJoinRequests,
+  listGroups,
   listConversations,
   markRead,
+  rejectFriendRequest,
+  rejectGroupJoinRequest,
+  sendFriendRequest,
+  sendGroupJoinRequest,
   setConversationMuted,
   setConversationPinned,
   setDraft,
@@ -107,6 +118,50 @@ export function useIm() {
     return deleteConversation(targetId, chatType)
   }
 
+  function getFriends() {
+    return listFriends()
+  }
+
+  function getGroups() {
+    return listGroups()
+  }
+
+  function getGroup(groupId: string) {
+    return getGroupInfo(groupId)
+  }
+
+  function sendFriend(toUserId: string, remark?: string) {
+    return sendFriendRequest(toUserId, remark)
+  }
+
+  function loadFriendRequests(direction: 'incoming' | 'outgoing' = 'incoming') {
+    return listFriendRequests(direction)
+  }
+
+  function approveFriendRequest(requestId: string) {
+    return acceptFriendRequest(requestId)
+  }
+
+  function declineFriendRequest(requestId: string) {
+    return rejectFriendRequest(requestId)
+  }
+
+  function sendGroupJoin(groupId: string, remark?: string) {
+    return sendGroupJoinRequest(groupId, remark)
+  }
+
+  function loadGroupJoinRequests(groupId: string) {
+    return listGroupJoinRequests(groupId)
+  }
+
+  function approveGroupJoinRequest(groupId: string, requestId: string) {
+    return acceptGroupJoinRequest(groupId, requestId)
+  }
+
+  function declineGroupJoinRequest(groupId: string, requestId: string) {
+    return rejectGroupJoinRequest(groupId, requestId)
+  }
+
   onUnmounted(disconnect)
 
   return {
@@ -126,5 +181,16 @@ export function useIm() {
     setConversationMutedState,
     setConversationDraft,
     removeConversation,
+    getFriends,
+    getGroups,
+    getGroup,
+    sendFriend,
+    loadFriendRequests,
+    approveFriendRequest,
+    declineFriendRequest,
+    sendGroupJoin,
+    loadGroupJoinRequests,
+    approveGroupJoinRequest,
+    declineGroupJoinRequest,
   }
 }
diff --git a/src/index.ts b/src/index.ts
index f32ad8d..1972505 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -2,12 +2,23 @@ export { init, setToken, setUserId, getToken, getUserId, getConfig } from './cor
 export { http } from './core/http'
 export { ImClient } from './im/ImClient'
 export {
+  acceptFriendRequest,
+  acceptGroupJoinRequest,
   deleteConversation,
+  getGroupInfo,
   fetchGroupHistory,
   fetchHistory,
+  listFriendRequests,
+  listFriends,
+  listGroupJoinRequests,
+  listGroups,
   listConversations,
   markRead,
   getProfile,
+  rejectFriendRequest,
+  rejectGroupJoinRequest,
+  sendFriendRequest,
+  sendGroupJoinRequest,
   setConversationMuted,
   setConversationPinned,
   setDraft,
@@ -22,6 +33,9 @@ export type {
   ImMessage,
   ConversationView,
   HistoryQuery,
+  ImGroup,
+  FriendRequest,
+  GroupJoinRequest,
   PageResult,
   UserProfile,
   SendMessageParams,
diff --git a/src/types/index.ts b/src/types/index.ts
index 20d9536..f517088 100644
--- a/src/types/index.ts
+++ b/src/types/index.ts
@@ -84,6 +84,40 @@ export interface UserProfile {
   createdAt?: string | number | null
 }
 
+export interface ImGroup {
+  id: string
+  appId?: string
+  name: string
+  groupType?: string
+  creatorId: string
+  memberIds: string
+  adminIds: string
+  announcement?: string | null
+  createdAt?: string | number | null
+}
+
+export interface FriendRequest {
+  id: string
+  appId?: string
+  fromUserId: string
+  toUserId: string
+  remark?: string | null
+  status: 'PENDING' | 'ACCEPTED' | 'REJECTED'
+  createdAt: string | number
+  reviewedAt?: string | number | null
+}
+
+export interface GroupJoinRequest {
+  id: string
+  appId?: string
+  groupId: string
+  requesterId: string
+  remark?: string | null
+  status: 'PENDING' | 'ACCEPTED' | 'REJECTED'
+  createdAt: string | number
+  reviewedAt?: string | number | null
+}
+
 export interface SendMessageParams {
   messageId?: string
   toId: string