diff --git a/src/api/service/group-service/index.ts b/src/api/service/group-service/index.ts
index cff1b79a..ee833a80 100644
--- a/src/api/service/group-service/index.ts
+++ b/src/api/service/group-service/index.ts
@@ -40,7 +40,7 @@ export const groupServiceRemote = () => ({
   // 모임 이미지 사전 업로드 (POST /groups/images/upload) - multipart/form-data
 
   createGroup: (payload: CreateGroupPayload) => {
-    return api.post<CreateGroupResponse>('/groups/create', payload);
+    return apiV2.post<CreateGroupResponse>('/groups/create', payload);
   },
 
   getGroupDetails: (payload: GroupIdPayload) => {
@@ -60,6 +60,6 @@ export const groupServiceRemote = () => ({
   },
 
   uploadGroupImages: (payload: FormData) => {
-    return api.post<PreUploadGroupImageResponse>('/groups/images/upload', payload);
+    return apiV2.post<PreUploadGroupImageResponse>('/groups/images/upload', payload);
   },
 });
diff --git a/src/app/post-meetup/page.tsx b/src/app/post-meetup/page.tsx
index 6da90290..6a16e467 100644
--- a/src/app/post-meetup/page.tsx
+++ b/src/app/post-meetup/page.tsx
@@ -16,7 +16,6 @@ import {
 } from '@/components/pages/post-meetup';
 import { useCreateGroup } from '@/hooks/use-group/use-group-create';
 import { CreateGroupFormValues, createGroupSchema } from '@/lib/schema/group';
-import { PreUploadGroupImageResponse } from '@/types/service/group';
 
 const PostMeetupPage = () => {
   const { replace } = useRouter();
@@ -37,18 +36,11 @@ const PostMeetupPage = () => {
       onSubmit: createGroupSchema,
     },
     onSubmit: async ({ value }) => {
-      const images = [] as PreUploadGroupImageResponse['images'];
+      value.images = value.images?.map((image, idx) => {
+        return { ...image, sortOrder: idx };
+      });
 
-      if (value.images) {
-        value.images.forEach((image, idx) => {
-          images.push({
-            ...image,
-            sortOrder: idx,
-          });
-        });
-      }
-
-      const res = await createGroup({ ...value, images: images });
+      const res = await createGroup({ ...value });
 
       replace(`/meetup/${res.id}`);
     },
diff --git a/src/lib/schema/group.ts b/src/lib/schema/group.ts
index e312ec8b..a0cd3acf 100644
--- a/src/lib/schema/group.ts
+++ b/src/lib/schema/group.ts
@@ -18,6 +18,7 @@ export const createGroupSchema = z.object({
   images: z
     .array(
       z.object({
+        imageKey: z.string(),
         sortOrder: z.number(),
         imageUrl440x240: z.string(),
         imageUrl100x100: z.string(),
diff --git a/src/types/service/group.ts b/src/types/service/group.ts
index e25abfff..3a1aab39 100644
--- a/src/types/service/group.ts
+++ b/src/types/service/group.ts
@@ -81,14 +81,13 @@ export interface PreUploadGroupImagePayload {
 
 export interface PreUploadGroupImageResponse {
   images: {
+    imageKey: string;
     sortOrder: number;
     imageUrl440x240: string;
     imageUrl100x100: string;
   }[];
 }
 
-export type CreateGroupImagePayload = PreUploadGroupImageResponse;
-
 export interface CreateGroupPayload {
   title: string;
   location: string;
@@ -98,28 +97,54 @@ export interface CreateGroupPayload {
   tags?: string[] | null;
   description: string;
   maxParticipants: number;
-  images?: CreateGroupImagePayload['images'] | null;
+  images?: {
+    imageKey: string;
+    sortOrder: number;
+  }[];
 }
 
 export interface CreateGroupResponse {
   id: number;
   title: string;
-  location: string;
-  locationDetail?: string | null;
+  status: 'RECRUITING' | 'FULL' | 'FINISHED';
+  address: {
+    location: string;
+    locationDetail: string;
+  };
   startTime: string;
-  endTime?: string;
-  tags?: string[] | null;
+  endTime: string;
+  tags: string[];
   description: string;
   participantCount: number;
   maxParticipants: number;
+  createdAt: string;
+  updatedAt: string;
   createdBy: {
     userId: number;
     nickName: string;
-    profileImage?: string | null;
+    profileImage: string;
+    profileMessage: string;
   };
-  createdAt: string;
-  updatedAt: string;
-  images?: CreateGroupImagePayload['images'] | null;
+  myMembership?: {
+    groupUserId: number;
+    role: 'HOST' | 'MEMBER';
+    status: 'ATTEND' | 'LEFT';
+    joinedAt: string;
+    leftAt: string;
+  } | null;
+  images: {
+    groupImageId: number;
+    imageKey: string;
+    sortOrder: number;
+    variants: {
+      variantId: number;
+      type: 'CARD_440_240' | 'THUMBNAIL_100_100';
+      width: number;
+      height: number;
+      format: 'WEBP';
+      imageUrl: string;
+    }[];
+  }[];
 }
 
 export interface GetGroupDetailsResponse {