diff --git a/backend/src/modules/post/post.controller.ts b/backend/src/modules/post/post.controller.ts
index 0bea36c..29b33f5 100644
--- a/backend/src/modules/post/post.controller.ts
+++ b/backend/src/modules/post/post.controller.ts
@@ -26,4 +26,10 @@ export class PostController {
     async getPost(@Param('postId') postId: string) {
         return await this.postService.getPost(postId);
     }
+
+    @ApiOperation({ description: 'Getting a post by its media group id' })
+    @Get('get-by-media-group-id/:mediaGroupId')
+    async getByMediaGroup(@Param('mediaGroupId') mediaGroupId: string) {
+        return await this.postService.getByMediaGroup(mediaGroupId);
+    }
 }
diff --git a/backend/src/modules/post/post.service.ts b/backend/src/modules/post/post.service.ts
index 4f4310a..26f95ec 100644
--- a/backend/src/modules/post/post.service.ts
+++ b/backend/src/modules/post/post.service.ts
@@ -61,4 +61,14 @@ export class PostService {
             throw new HttpException('No post with this id', HttpStatus.NOT_FOUND);
         }
     }
+
+    async getByMediaGroup(mediaGroupId: string) {
+        try {
+            this.logger.log(`[post.getByMediaGroup] data: ${mediaGroupId}`);
+            return await this.postRepository.findOne({ where: { media_group_id: mediaGroupId } });
+        } catch (error) {
+            this.logger.debug(`[post.getByMediaGroup] error: ${JSON.stringify(error)}`);
+            throw new HttpException("Can't find post with this media group id", HttpStatus.BAD_REQUEST);
+        }
+    }
 }