diff --git a/src/main/kotlin/roomescape/reservation/business/ReservationWithPaymentService.kt b/src/main/kotlin/roomescape/reservation/business/ReservationWithPaymentService.kt
index ed260498..03151e88 100644
--- a/src/main/kotlin/roomescape/reservation/business/ReservationWithPaymentService.kt
+++ b/src/main/kotlin/roomescape/reservation/business/ReservationWithPaymentService.kt
@@ -24,8 +24,9 @@ class ReservationWithPaymentService(
         request: ReservationCreateWithPaymentRequest,
         paymentInfo: PaymentApproveResponse,
         memberId: Long,
-    ): ReservationRetrieveResponse {
-        log.info { "[ReservationWithPaymentService.createReservationAndPayment] 예약 & 결제 정보 저장 시작: memberId=$memberId, paymentInfo=$paymentInfo" }
+    ): ReservationCreateResponse {
+        log.info { "[ReservationWithPaymentService.createReservationAndPayment] 예약 & 결제 정보 저장 시작: memberId=$memberId, paymentInfo=$approvedPaymentInfo" }
+
         val reservation: ReservationEntity = reservationService.createConfirmedReservation(request, memberId)
 
         return paymentService.createPayment(paymentInfo, reservation)
diff --git a/src/main/kotlin/roomescape/reservation/docs/ReservationAPI.kt b/src/main/kotlin/roomescape/reservation/docs/ReservationAPI.kt
index d8187401..a2762c96 100644
--- a/src/main/kotlin/roomescape/reservation/docs/ReservationAPI.kt
+++ b/src/main/kotlin/roomescape/reservation/docs/ReservationAPI.kt
@@ -74,7 +74,7 @@ interface ReservationAPI {
     fun createReservationWithPayment(
         @Valid @RequestBody reservationCreateWithPaymentRequest: ReservationCreateWithPaymentRequest,
         @MemberId @Parameter(hidden = true) memberId: Long
-    ): ResponseEntity<CommonApiResponse<ReservationRetrieveResponse>>
+    ): ResponseEntity<CommonApiResponse<ReservationCreateResponse>>
 
     @Admin
     @Operation(summary = "관리자 예약 추가", tags = ["관리자 로그인이 필요한 API"])
diff --git a/src/main/kotlin/roomescape/reservation/implement/ReservationFinder.kt b/src/main/kotlin/roomescape/reservation/implement/ReservationFinder.kt
index 5b1a6aaf..35fcd725 100644
--- a/src/main/kotlin/roomescape/reservation/implement/ReservationFinder.kt
+++ b/src/main/kotlin/roomescape/reservation/implement/ReservationFinder.kt
@@ -2,7 +2,10 @@ package roomescape.reservation.implement
 
 import io.github.oshai.kotlinlogging.KLogger
 import io.github.oshai.kotlinlogging.KotlinLogging
+import org.springframework.data.repository.findByIdOrNull
 import org.springframework.stereotype.Component
+import roomescape.reservation.exception.ReservationErrorCode
+import roomescape.reservation.exception.ReservationException
 import roomescape.reservation.infrastructure.persistence.ReservationEntity
 import roomescape.reservation.infrastructure.persistence.ReservationRepository
 import roomescape.theme.infrastructure.persistence.ThemeEntity
@@ -15,6 +18,16 @@ private val log: KLogger = KotlinLogging.logger {}
 class ReservationFinder(
     private val reservationRepository: ReservationRepository
 ) {
+    fun findById(id: Long): ReservationEntity {
+        log.debug { "[ReservationFinder.findById] 시작: id=$id" }
+
+        return reservationRepository.findByIdOrNull(id)
+            ?.also { log.debug { "[ReservationFinder.findById] 완료: reservationId=$id, date:${it.date}, timeId:${it.time.id}, themeId:${it.theme.id}" } }
+            ?: run {
+                log.warn { "[ReservationFinder.findById] 조회 실패: reservationId=$id" }
+                throw ReservationException(ReservationErrorCode.RESERVATION_NOT_FOUND)
+            }
+    }
 
     fun isTimeReserved(time: TimeEntity): Boolean {
         log.debug { "[ReservationFinder.isTimeReserved] 시작: timeId=${time.id}, startAt=${time.startAt}" }
diff --git a/src/main/kotlin/roomescape/reservation/web/ReservationController.kt b/src/main/kotlin/roomescape/reservation/web/ReservationController.kt
index fcd0565e..6c4d5b74 100644
--- a/src/main/kotlin/roomescape/reservation/web/ReservationController.kt
+++ b/src/main/kotlin/roomescape/reservation/web/ReservationController.kt
@@ -79,19 +79,19 @@ class ReservationController(
     override fun createReservationWithPayment(
         @Valid @RequestBody reservationCreateWithPaymentRequest: ReservationCreateWithPaymentRequest,
         @MemberId @Parameter(hidden = true) memberId: Long
-    ): ResponseEntity<CommonApiResponse<ReservationRetrieveResponse>> {
+    ): ResponseEntity<CommonApiResponse<ReservationCreateResponse>> {
         val paymentRequest: PaymentApproveRequest = reservationCreateWithPaymentRequest.toPaymentApproveRequest()
         val paymentResponse: PaymentApproveResponse = paymentClient.confirm(paymentRequest)
 
         try {
-            val reservationRetrieveResponse: ReservationRetrieveResponse =
+            val response: ReservationCreateResponse =
                 reservationWithPaymentService.createReservationAndPayment(
                     reservationCreateWithPaymentRequest,
                     paymentResponse,
                     memberId
                 )
-            return ResponseEntity.created(URI.create("/reservations/${reservationRetrieveResponse.id}"))
-                .body(CommonApiResponse(reservationRetrieveResponse))
+            return ResponseEntity.created(URI.create("/reservations/${response.id}"))
+                .body(CommonApiResponse(response))
         } catch (e: Exception) {
             val cancelRequest = PaymentCancelRequest(
                 paymentRequest.paymentKey,
diff --git a/src/main/kotlin/roomescape/reservation/web/ReservationResponse.kt b/src/main/kotlin/roomescape/reservation/web/ReservationResponse.kt
index adbbfe6c..0e13e670 100644
--- a/src/main/kotlin/roomescape/reservation/web/ReservationResponse.kt
+++ b/src/main/kotlin/roomescape/reservation/web/ReservationResponse.kt
@@ -13,6 +13,31 @@ import roomescape.time.web.toCreateResponse
 import java.time.LocalDate
 import java.time.LocalTime
 
+data class ReservationCreateResponse(
+    val id: Long,
+    val date: LocalDate,
+
+    @JsonProperty("member")
+    val member: MemberRetrieveResponse,
+
+    @JsonProperty("time")
+    val time: TimeCreateResponse,
+
+    @JsonProperty("theme")
+    val theme: ThemeRetrieveResponse,
+
+    val status: ReservationStatus
+)
+
+fun ReservationEntity.toCreateResponse() = ReservationCreateResponse(
+    id = this.id!!,
+    date = this.date,
+    member = this.member.toRetrieveResponse(),
+    time = this.time.toCreateResponse(),
+    theme = this.theme.toRetrieveResponse(),
+    status = this.status
+)
+
 data class MyReservationRetrieveResponse(
     val id: Long,
     val themeName: String,
@@ -36,13 +61,13 @@ data class ReservationRetrieveResponse(
     val id: Long,
     val date: LocalDate,
 
-    @field:JsonProperty("member")
+    @JsonProperty("member")
     val member: MemberRetrieveResponse,
 
-    @field:JsonProperty("time")
+    @JsonProperty("time")
     val time: TimeCreateResponse,
 
-    @field:JsonProperty("theme")
+    @JsonProperty("theme")
     val theme: ThemeRetrieveResponse,
 
     val status: ReservationStatus