diff --git a/Sources/QappleRepository/DTO/Answer/AnswerListOfMine.swift b/Sources/QappleRepository/DTO/Answer/AnswerListOfMine.swift
index 0759bf3..76ee182 100644
--- a/Sources/QappleRepository/DTO/Answer/AnswerListOfMine.swift
+++ b/Sources/QappleRepository/DTO/Answer/AnswerListOfMine.swift
@@ -24,6 +24,7 @@ public struct AnswerListOfMine: Decodable, Sendable {
         public let profileImage: String?
         public let content: String
         public let heartCount: Int
+        public let commentCount: Int
         public let writeAt: String
         public let isLiked: Bool
     }
diff --git a/Sources/QappleRepository/DTO/Answer/AnswerListOfQuestion.swift b/Sources/QappleRepository/DTO/Answer/AnswerListOfQuestion.swift
index 9641958..02112ac 100644
--- a/Sources/QappleRepository/DTO/Answer/AnswerListOfQuestion.swift
+++ b/Sources/QappleRepository/DTO/Answer/AnswerListOfQuestion.swift
@@ -24,7 +24,7 @@ public struct AnswerListOfQuestion: Decodable, Sendable {
         public let content: String
         public let isMine: Bool
         public let isReported: Bool
-        public let isLiked: Bool?
+        public let isLiked: Bool
         public let writeAt: String
         public let commentCount: Int
         public let heartCount: Int
diff --git a/Sources/QappleRepository/UseCase/AdminQuestionAPI.swift b/Sources/QappleRepository/UseCase/AdminQuestionAPI.swift
index 81f4473..a700da7 100644
--- a/Sources/QappleRepository/UseCase/AdminQuestionAPI.swift
+++ b/Sources/QappleRepository/UseCase/AdminQuestionAPI.swift
@@ -12,6 +12,7 @@ import Foundation
  */
 public enum AdminQuestionAPI: Sendable {
     /// 질문을 생성하는 API 입니다.
+    @discardableResult
     public static func createQuestion(
         questionStatus: CreateQuestionRequest.QuestionStatus,
         content: String,
@@ -29,6 +30,7 @@ public enum AdminQuestionAPI: Sendable {
     }
     
     /// 질문을 삭제하는 API 입니다.
+    @discardableResult
     public static func deleteQuestion(
         questionId: Int,
         server: Server,
diff --git a/Sources/QappleRepository/UseCase/AnswerAPI.swift b/Sources/QappleRepository/UseCase/AnswerAPI.swift
index 17812c6..71c85e0 100644
--- a/Sources/QappleRepository/UseCase/AnswerAPI.swift
+++ b/Sources/QappleRepository/UseCase/AnswerAPI.swift
@@ -25,6 +25,7 @@ public enum AnswerAPI: Sendable {
     }
     
     /// 답변 삭제 API 입니다.
+    @discardableResult
     public static func delete(
         answerId: Int,
         server: Server,
@@ -51,6 +52,7 @@ public enum AnswerAPI: Sendable {
     }
     
     /// 답변 생성 API 입니다.
+    @discardableResult
     public static func create(
         content: String,
         questionId: Int,
@@ -67,6 +69,8 @@ public enum AnswerAPI: Sendable {
         )
     }
     
+    /// 답변에 좋아요 추가 or 취소를 하는 API 입니다.
+    @discardableResult
     public static func like(
         answerId: Int,
         server: Server,
diff --git a/Sources/QappleRepository/UseCase/AnswerCommentAPI.swift b/Sources/QappleRepository/UseCase/AnswerCommentAPI.swift
index ac2ca94..d6197c4 100644
--- a/Sources/QappleRepository/UseCase/AnswerCommentAPI.swift
+++ b/Sources/QappleRepository/UseCase/AnswerCommentAPI.swift
@@ -20,6 +20,7 @@ public enum AnswerCommentAPI: Sendable {
     }
     
     /// 특정 답변에 댓글을 생성합니다.
+    @discardableResult
     public static func createAnswerComment(
         answerId: Int,
         content: String,
@@ -33,6 +34,7 @@ public enum AnswerCommentAPI: Sendable {
     }
     
     /// 답변에 있는 특정 댓글을 삭제합니다.
+    @discardableResult
     public static func deleteAnswerComment(
         answerCommentId: Int,
         server: Server,
@@ -44,6 +46,7 @@ public enum AnswerCommentAPI: Sendable {
     }
     
     /// 답변에 있는 특정 댓글에 좋아요 추가 or 취소 합니다.
+    @discardableResult
     public static func likeAnswerComment(
         answerCommentId: Int,
         server: Server,
diff --git a/Sources/QappleRepository/UseCase/BoardAPI.swift b/Sources/QappleRepository/UseCase/BoardAPI.swift
index fbddd5b..085e5e4 100644
--- a/Sources/QappleRepository/UseCase/BoardAPI.swift
+++ b/Sources/QappleRepository/UseCase/BoardAPI.swift
@@ -25,6 +25,7 @@ public enum BoardAPI {
     }
     
     /// 게시글 생성 API입니다.
+    @discardableResult
     public static func create(
         content: String,
         boardType: CreateBoardRequest.BoardType,
@@ -51,6 +52,7 @@ public enum BoardAPI {
     }
     
     /// 게시글 삭제 API입니다.
+    @discardableResult
     public static func delete(
         boardId: Int,
         server: Server,
@@ -61,6 +63,7 @@ public enum BoardAPI {
     }
     
     /// 게시글 좋아요 및 취소 API입니다.
+    @discardableResult
     public static func like(
         boardId: Int,
         server: Server,
diff --git a/Sources/QappleRepository/UseCase/BoardCommentAPI.swift b/Sources/QappleRepository/UseCase/BoardCommentAPI.swift
index a689f02..3588015 100644
--- a/Sources/QappleRepository/UseCase/BoardCommentAPI.swift
+++ b/Sources/QappleRepository/UseCase/BoardCommentAPI.swift
@@ -30,6 +30,7 @@ public enum BoardCommentAPI {
     }
     
     /// 게시글 댓글 생성 API입니다.
+    @discardableResult
     public static func create(
         boardId: Int,
         content: String,
@@ -51,6 +52,7 @@ public enum BoardCommentAPI {
     }
     
     /// 게시글 댓글 삭제 API입니다.
+    @discardableResult
     public static func delete(
         commentId: Int,
         server: Server,
@@ -67,6 +69,7 @@ public enum BoardCommentAPI {
     }
     
     /// 게시글 댓글 좋아요 및 취소 API입니다.
+    @discardableResult
     public static func like(
         commentId: Int,
         server: Server,
diff --git a/Sources/QappleRepository/UseCase/ReportAPI.swift b/Sources/QappleRepository/UseCase/ReportAPI.swift
index 6d9d35e..38ad06e 100644
--- a/Sources/QappleRepository/UseCase/ReportAPI.swift
+++ b/Sources/QappleRepository/UseCase/ReportAPI.swift
@@ -11,6 +11,7 @@ import Foundation
 public enum ReportAPI: Sendable {
     
     /// 답변 신고 API입니다.
+    @discardableResult
     public static func reportAnswer(
         answerId: Int,
         reportType: ReportType,
@@ -30,6 +31,7 @@ public enum ReportAPI: Sendable {
     }
     
     /// 게시글 신고 API입니다.
+    @discardableResult
     public static func reportBoard(
         boardId: Int,
         reportType: ReportType,
@@ -48,7 +50,8 @@ public enum ReportAPI: Sendable {
         )
     }
     
-    /// 게시글 신고 API입니다.
+    /// 게시글의 달린 특정 댓글 신고 API입니다.
+    @discardableResult
     public static func reportBoardComment(
         boardCommentId: Int,
         reportType: ReportType,