diff --git a/photi-apis/enduser/src/main/kotlin/com/photi/apis/enduser/controller/feed/FeedController.kt b/photi-apis/enduser/src/main/kotlin/com/photi/apis/enduser/controller/feed/FeedController.kt
index a9520c3d..6281e815 100644
--- a/photi-apis/enduser/src/main/kotlin/com/photi/apis/enduser/controller/feed/FeedController.kt
+++ b/photi-apis/enduser/src/main/kotlin/com/photi/apis/enduser/controller/feed/FeedController.kt
@@ -60,10 +60,10 @@ class FeedController(
         @AuthUser user: CustomUserDetails,
         @PathVariable @Parameter(description = "챌린지 id", example = "1") challengeId: Long,
         @RequestBody @Valid request: RegisterFeedRequest,
-    ): ResponseEntity<StringSuccessResponse> {
-        feedService.registerFeed(user.getUserId(), challengeId, request.toServiceDto())
-        return ResponseEntity.status(CREATED)
-            .body(StringSuccessResponse("피드 인증이 완료되었습니다."))
+    ): ResponseEntity<RegisterFeedResponse> {
+        val feed = feedService.registerFeed(user.getUserId(), challengeId, request.toServiceDto())
+        val response = RegisterFeedResponse.of(feed)
+        return ResponseEntity.status(CREATED).body(response)
     }
 
     @DeleteMapping("/{challengeId}/{feedId}")
diff --git a/photi-apis/enduser/src/main/kotlin/com/photi/apis/enduser/controller/feed/dto/request/RegisterFeedRequest.kt b/photi-apis/enduser/src/main/kotlin/com/photi/apis/enduser/controller/feed/dto/request/RegisterFeedRequest.kt
index a74094e1..c44450b6 100644
--- a/photi-apis/enduser/src/main/kotlin/com/photi/apis/enduser/controller/feed/dto/request/RegisterFeedRequest.kt
+++ b/photi-apis/enduser/src/main/kotlin/com/photi/apis/enduser/controller/feed/dto/request/RegisterFeedRequest.kt
@@ -1,6 +1,6 @@
 package com.photi.apis.enduser.controller.feed.dto.request
 
-import com.photi.core.domain.feed.dto.RegisterFeedDto
+import com.photi.core.domain.feed.dto.RegisterFeedRequestDto
 import io.swagger.v3.oas.annotations.media.Schema
 
 @Schema(description = "피드 등록 요청 객체")
@@ -10,7 +10,7 @@ data class RegisterFeedRequest(
     val preSignedUrl: String,
 ) {
 
-    fun toServiceDto() = RegisterFeedDto(preSignedUrl.substringBefore(SUFFIX))
+    fun toServiceDto() = RegisterFeedRequestDto(preSignedUrl.substringBefore(SUFFIX))
 
     companion object {
         private const val SUFFIX = "?"
diff --git a/photi-apis/enduser/src/main/kotlin/com/photi/apis/enduser/controller/feed/dto/response/RegisterFeedResponse.kt b/photi-apis/enduser/src/main/kotlin/com/photi/apis/enduser/controller/feed/dto/response/RegisterFeedResponse.kt
new file mode 100644
index 00000000..d32d4f80
--- /dev/null
+++ b/photi-apis/enduser/src/main/kotlin/com/photi/apis/enduser/controller/feed/dto/response/RegisterFeedResponse.kt
@@ -0,0 +1,32 @@
+package com.photi.apis.enduser.controller.feed.dto.response
+
+import com.photi.core.domain.feed.dto.RegisterFeedDto
+import io.swagger.v3.oas.annotations.media.Schema
+import java.time.LocalDateTime
+
+@Schema(description = "피드 인증 응답 객체")
+data class RegisterFeedResponse(
+
+    @Schema(description = "피드 id", example = "1")
+    val id: Long,
+
+    @Schema(description = "피드 이미지", example = "https://url.kr/5MhHhD")
+    val imageUrl: String,
+
+    @Schema(description = "피드 인증 날짜")
+    val createdDateTime: LocalDateTime,
+
+    @Schema(description = "피드 좋아요 여부", example = "true")
+    val isLike: Boolean,
+) {
+
+    companion object {
+
+        fun of(feed: RegisterFeedDto) = RegisterFeedResponse(
+            feed.id,
+            feed.imageUrl,
+            feed.createdDateTime,
+            feed.isLike,
+        )
+    }
+}
diff --git a/photi-core/domain/src/main/kotlin/com/photi/core/domain/common/model/BaseTimeEntity.kt b/photi-core/domain/src/main/kotlin/com/photi/core/domain/common/model/BaseTimeEntity.kt
index fbbe8138..f3f011d8 100644
--- a/photi-core/domain/src/main/kotlin/com/photi/core/domain/common/model/BaseTimeEntity.kt
+++ b/photi-core/domain/src/main/kotlin/com/photi/core/domain/common/model/BaseTimeEntity.kt
@@ -14,7 +14,7 @@ abstract class BaseTimeEntity(
 
     @Column(updatable = false)
     @CreatedDate
-    private var createdDateTime: LocalDateTime? = null,
+    var createdDateTime: LocalDateTime? = null,
 
     @LastModifiedDate
     private var lastModifiedDateTime: LocalDateTime? = null,
diff --git a/photi-core/domain/src/main/kotlin/com/photi/core/domain/feed/dto/RegisterFeedDto.kt b/photi-core/domain/src/main/kotlin/com/photi/core/domain/feed/dto/RegisterFeedDto.kt
index f2f254cf..cd0f6c97 100644
--- a/photi-core/domain/src/main/kotlin/com/photi/core/domain/feed/dto/RegisterFeedDto.kt
+++ b/photi-core/domain/src/main/kotlin/com/photi/core/domain/feed/dto/RegisterFeedDto.kt
@@ -1,8 +1,9 @@
 package com.photi.core.domain.feed.dto
 
 import com.photi.core.domain.feed.model.Feed
+import java.time.LocalDateTime
 
-data class RegisterFeedDto(
+data class RegisterFeedRequestDto(
     val imageUrl: String,
 ) {
 
@@ -13,3 +14,16 @@ data class RegisterFeedDto(
         imageUrl = imageUrl,
     )
 }
+
+data class RegisterFeedDto(
+    val id: Long,
+    val imageUrl: String,
+    val createdDateTime: LocalDateTime,
+    val isLike: Boolean = false,
+) {
+
+    companion object {
+
+        fun of(feed: Feed) = RegisterFeedDto(feed.id!!, feed.imageUrl, feed.createdDateTime!!)
+    }
+}
diff --git a/photi-core/domain/src/main/kotlin/com/photi/core/domain/feed/service/FeedService.kt b/photi-core/domain/src/main/kotlin/com/photi/core/domain/feed/service/FeedService.kt
index cc00dbd7..b3fdd839 100644
--- a/photi-core/domain/src/main/kotlin/com/photi/core/domain/feed/service/FeedService.kt
+++ b/photi-core/domain/src/main/kotlin/com/photi/core/domain/feed/service/FeedService.kt
@@ -5,6 +5,7 @@ import com.photi.core.domain.common.consts.DirectoryType
 import com.photi.core.domain.feed.dto.FindImagePreSignedUrlDto
 import com.photi.core.domain.feed.dto.FindTodayFeedMemberCountDto
 import com.photi.core.domain.feed.dto.RegisterFeedDto
+import com.photi.core.domain.feed.dto.RegisterFeedRequestDto
 import com.photi.core.domain.feed.exception.FeedException
 import com.photi.core.domain.feed.model.SortType
 import com.photi.core.domain.feed.port.*
@@ -32,12 +33,17 @@ class FeedService(
         s3Port.getPreSignedUrl(dto.imageName, DirectoryType.FEEDS)
 
     @Transactional
-    fun registerFeed(userId: Long, challengeId: Long, dto: RegisterFeedDto) {
+    fun registerFeed(
+        userId: Long,
+        challengeId: Long,
+        dto: RegisterFeedRequestDto,
+    ): RegisterFeedDto {
         val challengeMemberId = getChallengeMemberIdBy(userId, challengeId)
         feedValidator.validateExistsTodayFeedBy(challengeMemberId)
         userChallengeHistoryPort.increaseFeed(userId)
-        val feedId = feedCommandService.createFeed(dto, userId, challengeMemberId, challengeId)
-        feedHistoryPort.createFeedHistory(feedId)
+        val feed = feedCommandService.createFeed(dto, userId, challengeMemberId, challengeId)
+        feedHistoryPort.createFeedHistory(feed.id)
+        return feed
     }
 
     @Transactional
diff --git a/photi-core/domain/src/main/kotlin/com/photi/core/domain/feed/service/command/FeedCommandService.kt b/photi-core/domain/src/main/kotlin/com/photi/core/domain/feed/service/command/FeedCommandService.kt
index d4a4c370..f06a033f 100644
--- a/photi-core/domain/src/main/kotlin/com/photi/core/domain/feed/service/command/FeedCommandService.kt
+++ b/photi-core/domain/src/main/kotlin/com/photi/core/domain/feed/service/command/FeedCommandService.kt
@@ -1,6 +1,7 @@
 package com.photi.core.domain.feed.service.command
 
 import com.photi.core.domain.feed.dto.RegisterFeedDto
+import com.photi.core.domain.feed.dto.RegisterFeedRequestDto
 import com.photi.core.domain.feed.model.repository.FeedRepository
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
@@ -11,8 +12,15 @@ class FeedCommandService(
     private val feedRepository: FeedRepository,
 ) {
 
-    fun createFeed(dto: RegisterFeedDto, userId: Long, challengeMemberId: Long, challengeId: Long) =
-        feedRepository.save(dto.toEntity(userId, challengeMemberId, challengeId)).id!!
+    fun createFeed(
+        dto: RegisterFeedRequestDto,
+        userId: Long,
+        challengeMemberId: Long,
+        challengeId: Long,
+    ): RegisterFeedDto {
+        val feed = feedRepository.save(dto.toEntity(userId, challengeMemberId, challengeId))
+        return RegisterFeedDto.of(feed)
+    }
 
     fun deleteFeed(feedId: Long) {
         feedRepository.deleteById(feedId)