diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/can/CanController.kt b/src/main/kotlin/kr/co/vividnext/sodalive/can/CanController.kt
index e002aba4..6418cd14 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/can/CanController.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/can/CanController.kt
@@ -27,7 +27,7 @@ class CanController(private val service: CanService) {
         @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?
     ) = run {
         if (member == null) {
-            throw SodaException("로그인 정보를 확인해주세요.")
+            throw SodaException(messageKey = "common.error.bad_credentials")
         }
 
         ApiResponse.ok(service.getCanStatus(member, container))
@@ -41,7 +41,7 @@ class CanController(private val service: CanService) {
         pageable: Pageable
     ) = run {
         if (member == null) {
-            throw SodaException("로그인 정보를 확인해주세요.")
+            throw SodaException(messageKey = "common.error.bad_credentials")
         }
 
         ApiResponse.ok(service.getCanUseStatus(member, pageable, timezone, container))
@@ -55,7 +55,7 @@ class CanController(private val service: CanService) {
         pageable: Pageable
     ) = run {
         if (member == null) {
-            throw SodaException("로그인 정보를 확인해주세요.")
+            throw SodaException(messageKey = "common.error.bad_credentials")
         }
 
         ApiResponse.ok(service.getCanChargeStatus(member, pageable, timezone, container))
diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/can/charge/ChargeController.kt b/src/main/kotlin/kr/co/vividnext/sodalive/can/charge/ChargeController.kt
index 73948f3b..042da59f 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/can/charge/ChargeController.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/can/charge/ChargeController.kt
@@ -33,7 +33,7 @@ class ChargeController(
         @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?
     ) = run {
         if (member == null) {
-            throw SodaException("로그인 정보를 확인해주세요.")
+            throw SodaException(messageKey = "common.error.bad_credentials")
         }
 
         ApiResponse.ok(service.payverseCharge(member, request))
@@ -45,7 +45,7 @@ class ChargeController(
         @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?
     ) = run {
         if (member == null) {
-            throw SodaException("로그인 정보를 확인해주세요.")
+            throw SodaException(messageKey = "common.error.bad_credentials")
         }
 
         val response = service.payverseVerify(memberId = member.id!!, verifyRequest)
@@ -83,7 +83,7 @@ class ChargeController(
         @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?
     ) = run {
         if (member == null) {
-            throw SodaException("로그인 정보를 확인해주세요.")
+            throw SodaException(messageKey = "common.error.bad_credentials")
         }
 
         ApiResponse.ok(service.charge(member, chargeRequest))
@@ -95,7 +95,7 @@ class ChargeController(
         @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?
     ) = run {
         if (member == null) {
-            throw SodaException("로그인 정보를 확인해주세요.")
+            throw SodaException(messageKey = "common.error.bad_credentials")
         }
 
         val response = service.verify(memberId = member.id!!, verifyRequest)
@@ -109,7 +109,7 @@ class ChargeController(
         @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?
     ) = run {
         if (member == null) {
-            throw SodaException("로그인 정보를 확인해주세요.")
+            throw SodaException(messageKey = "common.error.bad_credentials")
         }
 
         val response = service.verifyHecto(memberId = member.id!!, verifyRequest)
@@ -123,7 +123,7 @@ class ChargeController(
         @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?
     ) = run {
         if (member == null) {
-            throw SodaException("로그인 정보를 확인해주세요.")
+            throw SodaException(messageKey = "common.error.bad_credentials")
         }
 
         ApiResponse.ok(service.appleCharge(member, chargeRequest))
@@ -135,7 +135,7 @@ class ChargeController(
         @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?
     ) = run {
         if (member == null) {
-            throw SodaException("로그인 정보를 확인해주세요.")
+            throw SodaException(messageKey = "common.error.bad_credentials")
         }
 
         val response = service.appleVerify(memberId = member.id!!, verifyRequest)
@@ -149,7 +149,7 @@ class ChargeController(
         @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?
     ) = run {
         if (member == null) {
-            throw SodaException("로그인 정보를 확인해주세요.")
+            throw SodaException(messageKey = "common.error.bad_credentials")
         }
 
         if (request.paymentGateway == PaymentGateway.GOOGLE_IAP) {
@@ -174,7 +174,7 @@ class ChargeController(
             trackingCharge(member, response)
             ApiResponse.ok(Unit)
         } else {
-            throw SodaException("결제정보에 오류가 있습니다.")
+            throw SodaException(messageKey = "can.charge.invalid_payment_info")
         }
     }
 
diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/can/charge/ChargeService.kt b/src/main/kotlin/kr/co/vividnext/sodalive/can/charge/ChargeService.kt
index c3610413..2c631b16 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/can/charge/ChargeService.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/can/charge/ChargeService.kt
@@ -11,6 +11,8 @@ import kr.co.vividnext.sodalive.can.payment.PaymentGateway
 import kr.co.vividnext.sodalive.can.payment.PaymentStatus
 import kr.co.vividnext.sodalive.common.SodaException
 import kr.co.vividnext.sodalive.google.GooglePlayService
+import kr.co.vividnext.sodalive.i18n.LangContext
+import kr.co.vividnext.sodalive.i18n.SodaMessageSource
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.member.MemberRepository
 import kr.co.vividnext.sodalive.point.MemberPoint
@@ -53,6 +55,8 @@ class ChargeService(
     private val applicationEventPublisher: ApplicationEventPublisher,
 
     private val googlePlayService: GooglePlayService,
+    private val messageSource: SodaMessageSource,
+    private val langContext: LangContext,
 
     @Value("\${bootpay.application-id}")
     private val bootpayApplicationId: String,
@@ -174,10 +178,10 @@ class ChargeService(
     @Transactional
     fun chargeByCoupon(couponNumber: String, member: Member): String {
         val canCouponNumber = couponNumberRepository.findByCouponNumber(couponNumber = couponNumber)
-            ?: throw SodaException("잘못된 쿠폰번호입니다.\n고객센터로 문의해 주시기 바랍니다.")
+            ?: throw SodaException(messageKey = "can.coupon.invalid_number_contact")
 
         if (canCouponNumber.member != null) {
-            throw SodaException("이미 사용한 쿠폰번호 입니다.")
+            throw SodaException(messageKey = "can.coupon.already_used")
         }
         canCouponNumber.member = member
 
@@ -186,7 +190,7 @@ class ChargeService(
         when (coupon.couponType) {
             CouponType.CAN -> {
                 val couponCharge = Charge(0, coupon.can, status = ChargeStatus.COUPON)
-                couponCharge.title = "${coupon.can} 캔"
+                couponCharge.title = formatMessage("can.charge.title", coupon.can)
                 couponCharge.member = member
 
                 val payment = Payment(
@@ -198,7 +202,7 @@ class ChargeService(
                 chargeRepository.save(couponCharge)
 
                 member.charge(0, coupon.can, "pg")
-                return "쿠폰 사용이 완료되었습니다.\n${coupon.can}캔이 지급되었습니다."
+                return formatMessage("can.coupon.use_complete", coupon.can)
             }
 
             CouponType.POINT -> {
@@ -226,7 +230,7 @@ class ChargeService(
                     )
                 )
 
-                return "쿠폰 사용이 완료되었습니다.\n${coupon.can}포인트가 지급되었습니다."
+                return formatMessage("can.coupon.use_complete_point", coupon.can)
             }
         }
     }
@@ -234,7 +238,7 @@ class ChargeService(
     @Transactional
     fun payverseCharge(member: Member, request: PayverseChargeRequest): PayverseChargeResponse {
         val can = canRepository.findByIdOrNull(request.canId)
-            ?: throw SodaException("잘못된 요청입니다\n앱 종료 후 다시 시도해 주세요.")
+            ?: throw SodaException(messageKey = "can.charge.invalid_request_restart")
 
         val requestCurrency = can.currency
         val isKrw = requestCurrency == "KRW"
@@ -304,9 +308,9 @@ class ChargeService(
     @Transactional
     fun payverseVerify(memberId: Long, verifyRequest: PayverseVerifyRequest): ChargeCompleteResponse {
         val charge = chargeRepository.findByIdOrNull(verifyRequest.orderId.toLong())
-            ?: throw SodaException("결제정보에 오류가 있습니다.")
+            ?: throw SodaException(messageKey = "can.charge.invalid_payment_info")
         val member = memberRepository.findByIdOrNull(memberId)
-            ?: throw SodaException("로그인 정보를 확인해주세요.")
+            ?: throw SodaException(messageKey = "common.error.bad_credentials")
 
         val isKrw = charge.can?.currency == "KRW"
         val mid = if (isKrw) {
@@ -322,7 +326,7 @@ class ChargeService(
 
         // 결제수단 확인
         if (charge.payment?.paymentGateway != PaymentGateway.PAYVERSE) {
-            throw SodaException("결제정보에 오류가 있습니다.")
+            throw SodaException(messageKey = "can.charge.invalid_payment_info")
         }
 
         // 결제 상태에 따른 분기 처리
@@ -339,10 +343,11 @@ class ChargeService(
 
                     val response = okHttpClient.newCall(request).execute()
                     if (!response.isSuccessful) {
-                        throw SodaException("결제정보에 오류가 있습니다.")
+                        throw SodaException(messageKey = "can.charge.invalid_payment_info")
                     }
 
-                    val body = response.body?.string() ?: throw SodaException("결제정보에 오류가 있습니다.")
+                    val body = response.body?.string()
+                        ?: throw SodaException(messageKey = "can.charge.invalid_payment_info")
                     val verifyResponse = objectMapper.readValue(body, PayverseVerifyResponse::class.java)
 
                     val customerId = "${serverEnv}_user_${member.id!!}"
@@ -380,10 +385,10 @@ class ChargeService(
                             isFirstCharged = chargeRepository.isFirstCharged(memberId)
                         )
                     } else {
-                        throw SodaException("결제정보에 오류가 있습니다.")
+                        throw SodaException(messageKey = "can.charge.invalid_payment_info")
                     }
                 } catch (_: Exception) {
-                    throw SodaException("결제정보에 오류가 있습니다.")
+                    throw SodaException(messageKey = "can.charge.invalid_payment_info")
                 }
             }
 
@@ -397,7 +402,7 @@ class ChargeService(
             }
 
             else -> {
-                throw SodaException("결제정보에 오류가 있습니다.")
+                throw SodaException(messageKey = "can.charge.invalid_payment_info")
             }
         }
     }
@@ -405,7 +410,7 @@ class ChargeService(
     @Transactional
     fun charge(member: Member, request: ChargeRequest): ChargeResponse {
         val can = canRepository.findByIdOrNull(request.canId)
-            ?: throw SodaException("잘못된 요청입니다\n앱 종료 후 다시 시도해 주세요.")
+            ?: throw SodaException(messageKey = "can.charge.invalid_request_restart")
 
         val charge = Charge(can.can, can.rewardCan)
         charge.title = can.title
@@ -424,9 +429,9 @@ class ChargeService(
     @Transactional
     fun verify(memberId: Long, verifyRequest: VerifyRequest): ChargeCompleteResponse {
         val charge = chargeRepository.findByIdOrNull(verifyRequest.orderId.toLong())
-            ?: throw SodaException("결제정보에 오류가 있습니다.")
+            ?: throw SodaException(messageKey = "can.charge.invalid_payment_info")
         val member = memberRepository.findByIdOrNull(memberId)
-            ?: throw SodaException("로그인 정보를 확인해주세요.")
+            ?: throw SodaException(messageKey = "common.error.bad_credentials")
 
         if (charge.payment!!.paymentGateway == PaymentGateway.PG) {
             val bootpay = Bootpay(bootpayApplicationId, bootpayPrivateKey)
@@ -457,22 +462,22 @@ class ChargeService(
                         isFirstCharged = chargeRepository.isFirstCharged(memberId)
                     )
                 } else {
-                    throw SodaException("결제정보에 오류가 있습니다.")
+                    throw SodaException(messageKey = "can.charge.invalid_payment_info")
                 }
             } catch (_: Exception) {
-                throw SodaException("결제정보에 오류가 있습니다.")
+                throw SodaException(messageKey = "can.charge.invalid_payment_info")
             }
         } else {
-            throw SodaException("결제정보에 오류가 있습니다.")
+            throw SodaException(messageKey = "can.charge.invalid_payment_info")
         }
     }
 
     @Transactional
     fun verifyHecto(memberId: Long, verifyRequest: VerifyRequest): ChargeCompleteResponse {
         val charge = chargeRepository.findByIdOrNull(verifyRequest.orderId.toLong())
-            ?: throw SodaException("결제정보에 오류가 있습니다.")
+            ?: throw SodaException(messageKey = "can.charge.invalid_payment_info")
         val member = memberRepository.findByIdOrNull(memberId)
-            ?: throw SodaException("로그인 정보를 확인해주세요.")
+            ?: throw SodaException(messageKey = "common.error.bad_credentials")
 
         if (charge.payment!!.paymentGateway == PaymentGateway.PG) {
             val bootpay = Bootpay(bootpayHectoApplicationId, bootpayHectoPrivateKey)
@@ -507,13 +512,13 @@ class ChargeService(
                         isFirstCharged = chargeRepository.isFirstCharged(memberId)
                     )
                 } else {
-                    throw SodaException("결제정보에 오류가 있습니다.")
+                    throw SodaException(messageKey = "can.charge.invalid_payment_info")
                 }
             } catch (_: Exception) {
-                throw SodaException("결제정보에 오류가 있습니다.")
+                throw SodaException(messageKey = "can.charge.invalid_payment_info")
             }
         } else {
-            throw SodaException("결제정보에 오류가 있습니다.")
+            throw SodaException(messageKey = "can.charge.invalid_payment_info")
         }
     }
 
@@ -542,15 +547,17 @@ class ChargeService(
     @Transactional
     fun appleVerify(memberId: Long, verifyRequest: AppleVerifyRequest): ChargeCompleteResponse {
         val charge = chargeRepository.findByIdOrNull(verifyRequest.chargeId)
-            ?: throw SodaException("결제정보에 오류가 있습니다.")
+            ?: throw SodaException(messageKey = "can.charge.invalid_payment_info")
         val member = memberRepository.findByIdOrNull(memberId)
-            ?: throw SodaException("로그인 정보를 확인해주세요.")
+            ?: throw SodaException(messageKey = "common.error.bad_credentials")
 
         if (charge.payment!!.paymentGateway == PaymentGateway.APPLE_IAP) {
             // 검증로직
             if (requestRealServerVerify(verifyRequest)) {
                 charge.payment?.receiptId = verifyRequest.receiptString
-                charge.payment?.method = "애플(인 앱 결제)"
+                charge.payment?.method = messageSource
+                    .getMessage("can.charge.payment_method.apple_iap", langContext.lang)
+                    .orEmpty()
                 charge.payment?.status = PaymentStatus.COMPLETE
                 member.charge(charge.chargeCan, charge.rewardCan, "ios")
 
@@ -567,10 +574,10 @@ class ChargeService(
                     isFirstCharged = chargeRepository.isFirstCharged(memberId)
                 )
             } else {
-                throw SodaException("결제정보에 오류가 있습니다.")
+                throw SodaException(messageKey = "can.charge.invalid_payment_info")
             }
         } else {
-            throw SodaException("결제정보에 오류가 있습니다.")
+            throw SodaException(messageKey = "can.charge.invalid_payment_info")
         }
     }
 
@@ -594,7 +601,9 @@ class ChargeService(
         payment.locale = currencyCode
         payment.price = price
         payment.receiptId = purchaseToken
-        payment.method = "구글(인 앱 결제)"
+        payment.method = messageSource
+            .getMessage("can.charge.payment_method.google_iap", langContext.lang)
+            .orEmpty()
 
         charge.payment = payment
         chargeRepository.save(charge)
@@ -610,9 +619,9 @@ class ChargeService(
         purchaseToken: String
     ): ChargeCompleteResponse {
         val charge = chargeRepository.findByIdOrNull(id = chargeId)
-            ?: throw SodaException("결제정보에 오류가 있습니다.")
+            ?: throw SodaException(messageKey = "can.charge.invalid_payment_info")
         val member = memberRepository.findByIdOrNull(id = memberId)
-            ?: throw SodaException("로그인 정보를 확인해주세요.")
+            ?: throw SodaException(messageKey = "common.error.bad_credentials")
 
         if (charge.payment!!.status == PaymentStatus.REQUEST) {
             val orderId = verifyPurchase(purchaseToken, productId)
@@ -634,10 +643,10 @@ class ChargeService(
                     isFirstCharged = chargeRepository.isFirstCharged(memberId)
                 )
             } else {
-                throw SodaException("구매를 하지 못했습니다.\n고객센터로 문의해 주세요")
+                throw SodaException(messageKey = "can.charge.purchase_failed_contact")
             }
         } else {
-            throw SodaException("결제정보에 오류가 있습니다.")
+            throw SodaException(messageKey = "can.charge.invalid_payment_info")
         }
     }
 
@@ -670,14 +679,14 @@ class ChargeService(
                     }
 
                     else -> {
-                        throw SodaException("결제정보에 오류가 있습니다.")
+                        throw SodaException(messageKey = "can.charge.invalid_payment_info")
                     }
                 }
             } else {
-                throw SodaException("결제를 완료하지 못했습니다.")
+                throw SodaException(messageKey = "can.charge.payment_incomplete")
             }
         } else {
-            throw SodaException("결제를 완료하지 못했습니다.")
+            throw SodaException(messageKey = "can.charge.payment_incomplete")
         }
     }
 
@@ -701,23 +710,31 @@ class ChargeService(
                     }
 
                     else -> {
-                        throw SodaException("결제정보에 오류가 있습니다.")
+                        throw SodaException(messageKey = "can.charge.invalid_payment_info")
                     }
                 }
             } else {
-                throw SodaException("결제를 완료하지 못했습니다.")
+                throw SodaException(messageKey = "can.charge.payment_incomplete")
             }
         } else {
-            throw SodaException("결제를 완료하지 못했습니다.")
+            throw SodaException(messageKey = "can.charge.payment_incomplete")
         }
     }
 
+    private fun formatMessage(key: String, vararg args: Any): String {
+        val template = messageSource.getMessage(key, langContext.lang) ?: return ""
+        return String.format(template, *args)
+    }
+
     // Payverse 결제수단 매핑: 특정 schemeCode는 "카드"로 표기, 아니면 null 반환
     private fun mapPayverseSchemeToMethodByCode(schemeCode: String?): String? {
         val cardCodes = setOf(
             "041", "044", "361", "364", "365", "366", "367", "368", "369", "370", "371", "372", "373", "374", "381",
             "218", "071", "002", "089", "045", "050", "048", "090", "092"
         )
-        return if (schemeCode != null && cardCodes.contains(schemeCode)) "카드" else null
+        if (schemeCode == null || !cardCodes.contains(schemeCode)) {
+            return null
+        }
+        return messageSource.getMessage("can.charge.payment_method.card", langContext.lang)
     }
 }
diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/can/charge/event/ChargeEventService.kt b/src/main/kotlin/kr/co/vividnext/sodalive/can/charge/event/ChargeEventService.kt
index a37ebb1d..625377c1 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/can/charge/event/ChargeEventService.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/can/charge/event/ChargeEventService.kt
@@ -9,6 +9,8 @@ import kr.co.vividnext.sodalive.can.payment.PaymentStatus
 import kr.co.vividnext.sodalive.common.SodaException
 import kr.co.vividnext.sodalive.fcm.FcmEvent
 import kr.co.vividnext.sodalive.fcm.FcmEventType
+import kr.co.vividnext.sodalive.i18n.LangContext
+import kr.co.vividnext.sodalive.i18n.SodaMessageSource
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.member.MemberRepository
 import kr.co.vividnext.sodalive.member.auth.AuthRepository
@@ -26,15 +28,17 @@ class ChargeEventService(
     private val memberRepository: MemberRepository,
     private val chargeRepository: ChargeRepository,
     private val chargeEventRepository: ChargeEventRepository,
-    private val applicationEventPublisher: ApplicationEventPublisher
+    private val applicationEventPublisher: ApplicationEventPublisher,
+    private val messageSource: SodaMessageSource,
+    private val langContext: LangContext
 ) {
     @Transactional
     fun applyChargeEvent(chargeId: Long, memberId: Long) {
         val charge = chargeRepository.findByIdOrNull(chargeId)
-            ?: throw SodaException("이벤트가 적용되지 않았습니다.\n고객센터에 문의해 주세요.")
+            ?: throw SodaException(messageKey = "can.charge.event.not_applied_contact")
 
         val member = memberRepository.findByIdOrNull(memberId)
-            ?: throw SodaException("이벤트가 적용되지 않았습니다.\n고객센터에 문의해 주세요.")
+            ?: throw SodaException(messageKey = "can.charge.event.not_applied_contact")
 
         if (member.auth != null) {
             val authDate = authRepository.getOldestCreatedAtByDi(member.auth!!.di)
@@ -79,7 +83,10 @@ class ChargeEventService(
                     FcmEvent(
                         type = FcmEventType.INDIVIDUAL,
                         title = chargeEvent.title,
-                        message = "$additionalCan 캔이 추가 지급되었습니다.",
+                        message = formatMessage(
+                            "can.charge.event.additional_can_paid",
+                            additionalCan
+                        ),
                         recipients = listOf(member.id!!),
                         isAuth = null
                     )
@@ -94,14 +101,21 @@ class ChargeEventService(
             additionalCan = additionalCan,
             member = member,
             paymentGateway = charge.payment?.paymentGateway!!,
-            method = "첫 충전 이벤트"
+            method = messageSource
+                .getMessage("can.charge.event.first_title", langContext.lang)
+                .orEmpty()
         )
 
         applicationEventPublisher.publishEvent(
             FcmEvent(
                 type = FcmEventType.INDIVIDUAL,
-                title = "첫 충전 이벤트",
-                message = "$additionalCan 캔이 추가 지급되었습니다.",
+                title = messageSource
+                    .getMessage("can.charge.event.first_title", langContext.lang)
+                    .orEmpty(),
+                message = formatMessage(
+                    "can.charge.event.additional_can_paid",
+                    additionalCan
+                ),
                 recipients = listOf(member.id!!),
                 isAuth = null
             )
@@ -110,7 +124,7 @@ class ChargeEventService(
 
     private fun applyEvent(additionalCan: Int, member: Member, paymentGateway: PaymentGateway, method: String) {
         val eventCharge = Charge(0, additionalCan, status = ChargeStatus.EVENT)
-        eventCharge.title = "$additionalCan 캔"
+        eventCharge.title = formatMessage("can.charge.title", additionalCan)
         eventCharge.member = member
 
         val payment = Payment(
@@ -127,4 +141,9 @@ class ChargeEventService(
             else -> member.charge(0, additionalCan, "pg")
         }
     }
+
+    private fun formatMessage(key: String, vararg args: Any): String {
+        val template = messageSource.getMessage(key, langContext.lang) ?: return ""
+        return String.format(template, *args)
+    }
 }
diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/can/charge/temp/ChargeTempController.kt b/src/main/kotlin/kr/co/vividnext/sodalive/can/charge/temp/ChargeTempController.kt
index aafbc790..b1943d43 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/can/charge/temp/ChargeTempController.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/can/charge/temp/ChargeTempController.kt
@@ -20,7 +20,7 @@ class ChargeTempController(private val service: ChargeTempService) {
         @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?
     ) = run {
         if (member == null) {
-            throw SodaException("로그인 정보를 확인해주세요.")
+            throw SodaException(messageKey = "common.error.bad_credentials")
         }
 
         ApiResponse.ok(service.charge(member, request))
diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/can/charge/temp/ChargeTempService.kt b/src/main/kotlin/kr/co/vividnext/sodalive/can/charge/temp/ChargeTempService.kt
index 3f2f1aa4..2eaa248a 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/can/charge/temp/ChargeTempService.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/can/charge/temp/ChargeTempService.kt
@@ -12,6 +12,8 @@ import kr.co.vividnext.sodalive.can.payment.PaymentGateway
 import kr.co.vividnext.sodalive.can.payment.PaymentStatus
 import kr.co.vividnext.sodalive.common.SodaException
 import kr.co.vividnext.sodalive.extensions.moneyFormat
+import kr.co.vividnext.sodalive.i18n.LangContext
+import kr.co.vividnext.sodalive.i18n.SodaMessageSource
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.member.MemberRepository
 import org.springframework.beans.factory.annotation.Value
@@ -27,6 +29,8 @@ class ChargeTempService(
     private val memberRepository: MemberRepository,
 
     private val objectMapper: ObjectMapper,
+    private val messageSource: SodaMessageSource,
+    private val langContext: LangContext,
 
     @Value("\${bootpay.hecto-application-id}")
     private val bootpayApplicationId: String,
@@ -37,7 +41,7 @@ class ChargeTempService(
     @Transactional
     fun charge(member: Member, request: ChargeTempRequest): ChargeResponse {
         val charge = Charge(request.can, 0)
-        charge.title = "${request.can.moneyFormat()} 캔"
+        charge.title = formatMessage("can.charge.title", request.can.moneyFormat())
         charge.member = member
 
         val payment = Payment(paymentGateway = request.paymentGateway)
@@ -52,9 +56,9 @@ class ChargeTempService(
     @Transactional
     fun verify(user: User, verifyRequest: VerifyRequest) {
         val charge = chargeRepository.findByIdOrNull(verifyRequest.orderId.toLong())
-            ?: throw SodaException("결제정보에 오류가 있습니다.")
+            ?: throw SodaException(messageKey = "can.charge.invalid_payment_info")
         val member = memberRepository.findByEmail(user.username)
-            ?: throw SodaException("로그인 정보를 확인해주세요.")
+            ?: throw SodaException(messageKey = "common.error.bad_credentials")
 
         if (charge.payment!!.paymentGateway == PaymentGateway.PG) {
             val bootpay = Bootpay(bootpayApplicationId, bootpayPrivateKey)
@@ -72,13 +76,18 @@ class ChargeTempService(
                     charge.payment?.status = PaymentStatus.COMPLETE
                     member.charge(charge.chargeCan, charge.rewardCan, "pg")
                 } else {
-                    throw SodaException("결제정보에 오류가 있습니다.")
+                    throw SodaException(messageKey = "can.charge.invalid_payment_info")
                 }
             } catch (_: Exception) {
-                throw SodaException("결제정보에 오류가 있습니다.")
+                throw SodaException(messageKey = "can.charge.invalid_payment_info")
             }
         } else {
-            throw SodaException("결제정보에 오류가 있습니다.")
+            throw SodaException(messageKey = "can.charge.invalid_payment_info")
         }
     }
+
+    private fun formatMessage(key: String, vararg args: Any): String {
+        val template = messageSource.getMessage(key, langContext.lang) ?: return ""
+        return String.format(template, *args)
+    }
 }
diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/can/coupon/CanCouponController.kt b/src/main/kotlin/kr/co/vividnext/sodalive/can/coupon/CanCouponController.kt
index 628145ac..dfa4f37c 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/can/coupon/CanCouponController.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/can/coupon/CanCouponController.kt
@@ -2,6 +2,8 @@ package kr.co.vividnext.sodalive.can.coupon
 
 import kr.co.vividnext.sodalive.common.ApiResponse
 import kr.co.vividnext.sodalive.common.SodaException
+import kr.co.vividnext.sodalive.i18n.LangContext
+import kr.co.vividnext.sodalive.i18n.SodaMessageSource
 import kr.co.vividnext.sodalive.member.Member
 import org.springframework.core.io.InputStreamResource
 import org.springframework.data.domain.Pageable
@@ -22,14 +24,18 @@ import java.nio.charset.StandardCharsets
 
 @RestController
 @RequestMapping("/can/coupon")
-class CanCouponController(private val service: CanCouponService) {
+class CanCouponController(
+    private val service: CanCouponService,
+    private val messageSource: SodaMessageSource,
+    private val langContext: LangContext
+) {
     @PostMapping
     @PreAuthorize("hasRole('ADMIN')")
     fun generateCoupon(
         @RequestBody request: GenerateCanCouponRequest,
         @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?
     ) = run {
-        if (member == null) throw SodaException("로그인 정보를 확인해주세요.")
+        if (member == null) throw SodaException(messageKey = "common.error.bad_credentials")
 
         ApiResponse.ok(service.generateCoupon(request))
     }
@@ -40,7 +46,7 @@ class CanCouponController(private val service: CanCouponService) {
         @RequestBody request: ModifyCanCouponRequest,
         @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?
     ) = run {
-        if (member == null) throw SodaException("로그인 정보를 확인해주세요.")
+        if (member == null) throw SodaException(messageKey = "common.error.bad_credentials")
 
         ApiResponse.ok(service.modifyCoupon(request))
     }
@@ -51,7 +57,7 @@ class CanCouponController(private val service: CanCouponService) {
         @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?,
         pageable: Pageable
     ) = run {
-        if (member == null) throw SodaException("로그인 정보를 확인해주세요.")
+        if (member == null) throw SodaException(messageKey = "common.error.bad_credentials")
 
         ApiResponse.ok(service.getCouponList(offset = pageable.offset, limit = pageable.pageSize.toLong()))
     }
@@ -63,7 +69,7 @@ class CanCouponController(private val service: CanCouponService) {
         @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?,
         pageable: Pageable
     ) = run {
-        if (member == null) throw SodaException("로그인 정보를 확인해주세요.")
+        if (member == null) throw SodaException(messageKey = "common.error.bad_credentials")
 
         ApiResponse.ok(
             service.getCouponNumberList(
@@ -80,9 +86,11 @@ class CanCouponController(private val service: CanCouponService) {
         @RequestParam couponId: Long,
         @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?
     ) = run {
-        if (member == null) throw SodaException("로그인 정보를 확인해주세요.")
+        if (member == null) throw SodaException(messageKey = "common.error.bad_credentials")
 
-        val fileName = "쿠폰번호리스트.xlsx"
+        val fileName = messageSource
+            .getMessage("can.coupon.download_filename", langContext.lang)
+            .orEmpty()
         val encodedFileName = URLEncoder.encode(
             fileName,
             StandardCharsets.UTF_8.toString()
@@ -107,7 +115,7 @@ class CanCouponController(private val service: CanCouponService) {
         @RequestBody request: UseCanCouponRequest,
         @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?
     ) = run {
-        if (member == null) throw SodaException("로그인 정보를 확인해주세요.")
+        if (member == null) throw SodaException(messageKey = "common.error.bad_credentials")
 
         val completeMessage = service.useCanCoupon(
             couponNumber = request.couponNumber,
diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/can/coupon/CanCouponIssueService.kt b/src/main/kotlin/kr/co/vividnext/sodalive/can/coupon/CanCouponIssueService.kt
index 2af50b14..3492d8e9 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/can/coupon/CanCouponIssueService.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/can/coupon/CanCouponIssueService.kt
@@ -12,7 +12,7 @@ class CanCouponIssueService(private val couponNumberRepository: CanCouponNumberR
         if (!isMultipleUse(canCouponNumber)) {
             val canCouponNumberList = couponNumberRepository.findByMemberId(memberId = memberId)
             if (canCouponNumberList.isNotEmpty()) {
-                throw SodaException("해당 쿠폰은 1회만 충전이 가능합니다.")
+                throw SodaException(messageKey = "can.coupon.single_use_only")
             }
         }
 
@@ -21,10 +21,10 @@ class CanCouponIssueService(private val couponNumberRepository: CanCouponNumberR
 
     private fun checkCanCouponNumber(couponNumber: String): CanCouponNumber {
         val canCouponNumber = couponNumberRepository.findByCouponNumber(couponNumber = couponNumber)
-            ?: throw SodaException("잘못된 쿠폰번호입니다.\n고객센터로 문의해 주시기 바랍니다.")
+            ?: throw SodaException(messageKey = "can.coupon.invalid_number_contact")
 
         if (canCouponNumber.member != null) {
-            throw SodaException("이미 사용한 쿠폰번호 입니다.")
+            throw SodaException(messageKey = "can.coupon.already_used")
         }
 
         return canCouponNumber
@@ -34,17 +34,17 @@ class CanCouponIssueService(private val couponNumberRepository: CanCouponNumberR
 
     private fun validateCoupon(canCoupon: CanCoupon) {
         if (canCoupon.validity < LocalDateTime.now()) {
-            throw SodaException("유효기간이 경과된 쿠폰입니다.")
+            throw SodaException(messageKey = "can.coupon.expired")
         }
 
         if (!canCoupon.isActive) {
-            throw SodaException("이용이 불가능한 쿠폰입니다.")
+            throw SodaException(messageKey = "can.coupon.inactive")
         }
     }
 
     fun checkAnyChanges(request: ModifyCanCouponRequest) {
         if (request.isMultipleUse == null && request.isActive == null && request.validity == null) {
-            throw SodaException("변경사항이 없습니다.")
+            throw SodaException(messageKey = "can.coupon.no_changes")
         }
     }
 }
diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/can/coupon/CanCouponService.kt b/src/main/kotlin/kr/co/vividnext/sodalive/can/coupon/CanCouponService.kt
index ff882833..54f17365 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/can/coupon/CanCouponService.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/can/coupon/CanCouponService.kt
@@ -5,6 +5,8 @@ import kr.co.vividnext.sodalive.aws.sqs.SqsEvent
 import kr.co.vividnext.sodalive.aws.sqs.SqsEventType
 import kr.co.vividnext.sodalive.can.charge.ChargeService
 import kr.co.vividnext.sodalive.common.SodaException
+import kr.co.vividnext.sodalive.i18n.LangContext
+import kr.co.vividnext.sodalive.i18n.SodaMessageSource
 import kr.co.vividnext.sodalive.member.MemberRepository
 import org.apache.poi.xssf.usermodel.XSSFWorkbook
 import org.springframework.context.ApplicationEventPublisher
@@ -29,7 +31,9 @@ class CanCouponService(
     private val memberRepository: MemberRepository,
 
     private val objectMapper: ObjectMapper,
-    private val applicationEventPublisher: ApplicationEventPublisher
+    private val applicationEventPublisher: ApplicationEventPublisher,
+    private val messageSource: SodaMessageSource,
+    private val langContext: LangContext
 ) {
     fun generateCoupon(request: GenerateCanCouponRequest) {
         val message = objectMapper.writeValueAsString(request)
@@ -41,7 +45,7 @@ class CanCouponService(
         issueService.checkAnyChanges(request)
 
         val canCoupon = repository.findByIdOrNull(id = request.couponId)
-            ?: throw SodaException("잘못된 쿠폰번호입니다.\n고객센터로 문의해 주시기 바랍니다.")
+            ?: throw SodaException(messageKey = "can.coupon.invalid_number_contact")
 
         if (request.validity != null) {
             val dateTimeFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")
@@ -51,7 +55,7 @@ class CanCouponService(
                 .toLocalDateTime()
 
             if (validity <= canCoupon.validity) {
-                throw SodaException("유효기간은 기존 유효기간 이후 날짜로 설정하실 수 있습니다.")
+                throw SodaException(messageKey = "can.coupon.validity_after_current")
             }
 
             canCoupon.validity = validity
@@ -85,7 +89,11 @@ class CanCouponService(
     }
 
     fun downloadCouponNumberList(couponId: Long): ByteArrayInputStream {
-        val header = listOf("순번", "쿠폰번호", "사용여부")
+        val header = listOf(
+            messageSource.getMessage("can.coupon.download_header.index", langContext.lang).orEmpty(),
+            messageSource.getMessage("can.coupon.download_header.number", langContext.lang).orEmpty(),
+            messageSource.getMessage("can.coupon.download_header.used", langContext.lang).orEmpty()
+        )
         val byteArrayOutputStream = ByteArrayOutputStream()
         val couponNumberList = couponNumberRepository.getAllCouponNumberList(couponId)
 
@@ -104,9 +112,9 @@ class CanCouponService(
                 couponNumberRow.createCell(1).setCellValue(insertHyphens(item.couponNumber))
                 couponNumberRow.createCell(2).setCellValue(
                     if (item.isUsed) {
-                        "O"
+                        messageSource.getMessage("can.coupon.download_used_mark", langContext.lang).orEmpty()
                     } else {
-                        "X"
+                        messageSource.getMessage("can.coupon.download_unused_mark", langContext.lang).orEmpty()
                     }
                 )
             }
@@ -114,7 +122,7 @@ class CanCouponService(
             workbook.write(byteArrayOutputStream)
             return ByteArrayInputStream(byteArrayOutputStream.toByteArray())
         } catch (e: IOException) {
-            throw SodaException("다운로드를 하지 못했습니다.\n다시 시도해 주세요.")
+            throw SodaException(messageKey = "can.coupon.download_failed_retry")
         } finally {
             workbook.close()
             byteArrayOutputStream.close()
@@ -123,9 +131,9 @@ class CanCouponService(
 
     fun useCanCoupon(couponNumber: String, memberId: Long): String {
         val member = memberRepository.findByIdOrNull(id = memberId)
-            ?: throw SodaException("로그인 정보를 확인해주세요.")
+            ?: throw SodaException(messageKey = "common.error.bad_credentials")
 
-        if (member.auth == null) throw SodaException("쿠폰은 본인인증을 하셔야 사용이 가능합니다.")
+        if (member.auth == null) throw SodaException(messageKey = "can.coupon.auth_required")
 
         issueService.validateAvailableUseCoupon(couponNumber, memberId)
 
diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/can/payment/CanPaymentService.kt b/src/main/kotlin/kr/co/vividnext/sodalive/can/payment/CanPaymentService.kt
index ef43b378..ffc8101b 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/can/payment/CanPaymentService.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/can/payment/CanPaymentService.kt
@@ -18,6 +18,8 @@ import kr.co.vividnext.sodalive.common.SodaException
 import kr.co.vividnext.sodalive.content.AudioContent
 import kr.co.vividnext.sodalive.content.order.Order
 import kr.co.vividnext.sodalive.explorer.profile.creatorCommunity.CreatorCommunity
+import kr.co.vividnext.sodalive.i18n.LangContext
+import kr.co.vividnext.sodalive.i18n.SodaMessageSource
 import kr.co.vividnext.sodalive.live.room.LiveRoom
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.member.MemberRepository
@@ -31,7 +33,9 @@ class CanPaymentService(
     private val memberRepository: MemberRepository,
     private val chargeRepository: ChargeRepository,
     private val useCanRepository: UseCanRepository,
-    private val useCanCalculateRepository: UseCanCalculateRepository
+    private val useCanCalculateRepository: UseCanCalculateRepository,
+    private val messageSource: SodaMessageSource,
+    private val langContext: LangContext
 ) {
     @Transactional
     fun spendCan(
@@ -49,7 +53,7 @@ class CanPaymentService(
         container: String
     ) {
         val member = memberRepository.findByIdOrNull(id = memberId)
-            ?: throw SodaException("잘못된 요청입니다.\n다시 시도해 주세요.")
+            ?: throw SodaException(messageKey = "can.payment.invalid_request_retry")
         val useRewardCan = spendRewardCan(member, needCan, container)
         val useChargeCan = if (needCan - useRewardCan.total > 0) {
             spendChargeCan(member, needCan = needCan - useRewardCan.total, container = container)
@@ -58,14 +62,14 @@ class CanPaymentService(
         }
 
         if (needCan - useRewardCan.total - (useChargeCan?.total ?: 0) > 0) {
+            val shortCan = needCan - useRewardCan.total - (useChargeCan?.total ?: 0)
             throw SodaException(
-                "${needCan - useRewardCan.total - (useChargeCan?.total ?: 0)} " +
-                    "캔이 부족합니다. 충전 후 이용해 주세요."
+                formatMessage("can.payment.insufficient_can", shortCan)
             )
         }
 
         if (!useRewardCan.verify() || useChargeCan?.verify() == false) {
-            throw SodaException("잘못된 요청입니다.\n다시 시도해 주세요.")
+            throw SodaException(messageKey = "can.payment.invalid_request_retry")
         }
 
         val useCan = UseCan(
@@ -121,7 +125,7 @@ class CanPaymentService(
             useCan.chatRoomId = chatRoomId
             useCan.characterId = characterId
         } else {
-            throw SodaException("잘못된 요청입니다.")
+            throw SodaException(messageKey = "common.error.invalid_request")
         }
 
         useCanRepository.save(useCan)
@@ -306,20 +310,20 @@ class CanPaymentService(
     @Transactional
     fun refund(memberId: Long, roomId: Long) {
         val member = memberRepository.findByIdOrNull(memberId)
-            ?: throw SodaException("잘못된 예약정보 입니다.")
+            ?: throw SodaException(messageKey = "can.payment.invalid_reservation")
 
         val useCan = repository.getCanUsedForLiveRoomNotRefund(
             memberId = memberId,
             roomId = roomId,
             canUsage = CanUsage.LIVE
-        ) ?: throw SodaException("잘못된 예약정보 입니다.")
+        ) ?: throw SodaException(messageKey = "can.payment.invalid_reservation")
         useCan.isRefund = true
 
         val useCanCalculates = useCanCalculateRepository.findByUseCanIdAndStatus(useCan.id!!)
         useCanCalculates.forEach {
             it.status = UseCanCalculateStatus.REFUND
             val charge = Charge(0, it.can, status = ChargeStatus.REFUND_CHARGE)
-            charge.title = "${it.can} 캔"
+            charge.title = formatMessage("can.charge.title", it.can)
             charge.useCan = useCan
 
             when (it.paymentGateway) {
@@ -333,7 +337,9 @@ class CanPaymentService(
                 status = PaymentStatus.COMPLETE,
                 paymentGateway = it.paymentGateway
             )
-            payment.method = "환불"
+            payment.method = messageSource
+                .getMessage("can.payment.method.refund", langContext.lang)
+                .orEmpty()
             charge.payment = payment
 
             chargeRepository.save(charge)
@@ -348,7 +354,7 @@ class CanPaymentService(
         container: String
     ) {
         val member = memberRepository.findByIdOrNull(id = memberId)
-            ?: throw SodaException("잘못된 요청입니다.\n다시 시도해 주세요.")
+            ?: throw SodaException(messageKey = "can.payment.invalid_request_retry")
 
         val useRewardCan = spendRewardCan(member, needCan, container)
         val useChargeCan = if (needCan - useRewardCan.total > 0) {
@@ -358,14 +364,14 @@ class CanPaymentService(
         }
 
         if (needCan - useRewardCan.total - (useChargeCan?.total ?: 0) > 0) {
+            val shortCan = needCan - useRewardCan.total - (useChargeCan?.total ?: 0)
             throw SodaException(
-                "${needCan - useRewardCan.total - (useChargeCan?.total ?: 0)} " +
-                    "캔이 부족합니다. 충전 후 이용해 주세요."
+                formatMessage("can.payment.insufficient_can", shortCan)
             )
         }
 
         if (!useRewardCan.verify() || useChargeCan?.verify() == false) {
-            throw SodaException("잘못된 요청입니다.\n다시 시도해 주세요.")
+            throw SodaException(messageKey = "can.payment.invalid_request_retry")
         }
 
         val useCan = UseCan(
@@ -394,7 +400,7 @@ class CanPaymentService(
         container: String
     ) {
         val member = memberRepository.findByIdOrNull(id = memberId)
-            ?: throw SodaException("잘못된 요청입니다.\n다시 시도해 주세요.")
+            ?: throw SodaException(messageKey = "can.payment.invalid_request_retry")
 
         val useRewardCan = spendRewardCan(member, needCan, container)
         val useChargeCan = if (needCan - useRewardCan.total > 0) {
@@ -404,14 +410,14 @@ class CanPaymentService(
         }
 
         if (needCan - useRewardCan.total - (useChargeCan?.total ?: 0) > 0) {
+            val shortCan = needCan - useRewardCan.total - (useChargeCan?.total ?: 0)
             throw SodaException(
-                "${needCan - useRewardCan.total - (useChargeCan?.total ?: 0)} " +
-                    "캔이 부족합니다. 충전 후 이용해 주세요."
+                formatMessage("can.payment.insufficient_can", shortCan)
             )
         }
 
         if (!useRewardCan.verify() || useChargeCan?.verify() == false) {
-            throw SodaException("잘못된 요청입니다.\n다시 시도해 주세요.")
+            throw SodaException(messageKey = "can.payment.invalid_request_retry")
         }
 
         val useCan = UseCan(
@@ -435,4 +441,9 @@ class CanPaymentService(
         setUseCanCalculate(null, useRewardCan, useChargeCan, useCan, paymentGateway = PaymentGateway.GOOGLE_IAP)
         setUseCanCalculate(null, useRewardCan, useChargeCan, useCan, paymentGateway = PaymentGateway.APPLE_IAP)
     }
+
+    private fun formatMessage(key: String, vararg args: Any): String {
+        val template = messageSource.getMessage(key, langContext.lang) ?: return ""
+        return String.format(template, *args)
+    }
 }
diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/i18n/SodaMessageSource.kt b/src/main/kotlin/kr/co/vividnext/sodalive/i18n/SodaMessageSource.kt
index 04940ef5..3dd61bbc 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/i18n/SodaMessageSource.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/i18n/SodaMessageSource.kt
@@ -182,6 +182,178 @@ class SodaMessageSource {
         )
     )
 
+    private val canChargeMessages = mapOf(
+        "can.charge.invalid_payment_info" to mapOf(
+            Lang.KO to "결제정보에 오류가 있습니다.",
+            Lang.EN to "There is an error with the payment information.",
+            Lang.JA to "決済情報に誤りがあります。"
+        ),
+        "can.charge.invalid_request_restart" to mapOf(
+            Lang.KO to "잘못된 요청입니다\n앱 종료 후 다시 시도해 주세요.",
+            Lang.EN to "Invalid request.\nPlease restart the app and try again.",
+            Lang.JA to "不正なリクエストです。\nアプリを終了して再度お試しください。"
+        ),
+        "can.charge.purchase_failed_contact" to mapOf(
+            Lang.KO to "구매를 하지 못했습니다.\n고객센터로 문의해 주세요",
+            Lang.EN to "Purchase could not be completed.\nPlease contact customer support.",
+            Lang.JA to "購入を完了できませんでした。\nカスタマーサポートへお問い合わせください。"
+        ),
+        "can.charge.payment_incomplete" to mapOf(
+            Lang.KO to "결제를 완료하지 못했습니다.",
+            Lang.EN to "Payment could not be completed.",
+            Lang.JA to "決済を完了できませんでした。"
+        ),
+        "can.charge.payment_method.apple_iap" to mapOf(
+            Lang.KO to "애플(인 앱 결제)",
+            Lang.EN to "Apple (In-App Purchase)",
+            Lang.JA to "Apple（アプリ内課金）"
+        ),
+        "can.charge.payment_method.google_iap" to mapOf(
+            Lang.KO to "구글(인 앱 결제)",
+            Lang.EN to "Google (In-App Purchase)",
+            Lang.JA to "Google（アプリ内課金）"
+        ),
+        "can.charge.payment_method.card" to mapOf(
+            Lang.KO to "카드",
+            Lang.EN to "Card",
+            Lang.JA to "カード"
+        ),
+        "can.charge.title" to mapOf(
+            Lang.KO to "%s 캔",
+            Lang.EN to "%s cans",
+            Lang.JA to "%s缶"
+        )
+    )
+
+    private val canChargeEventMessages = mapOf(
+        "can.charge.event.not_applied_contact" to mapOf(
+            Lang.KO to "이벤트가 적용되지 않았습니다.\n고객센터에 문의해 주세요.",
+            Lang.EN to "The event was not applied.\nPlease contact customer support.",
+            Lang.JA to "イベントが適用されていません。\nカスタマーサポートへお問い合わせください。"
+        ),
+        "can.charge.event.additional_can_paid" to mapOf(
+            Lang.KO to "%s 캔이 추가 지급되었습니다.",
+            Lang.EN to "%s cans have been added.",
+            Lang.JA to "%s缶が追加で支給されました。"
+        ),
+        "can.charge.event.first_title" to mapOf(
+            Lang.KO to "첫 충전 이벤트",
+            Lang.EN to "First Recharge Event",
+            Lang.JA to "初回チャージイベント"
+        )
+    )
+
+    private val canCouponMessages = mapOf(
+        "can.coupon.invalid_number_contact" to mapOf(
+            Lang.KO to "잘못된 쿠폰번호입니다.\n고객센터로 문의해 주시기 바랍니다.",
+            Lang.EN to "Invalid coupon number.\nPlease contact customer support.",
+            Lang.JA to "無効なクーポン番号です。\nカスタマーサポートへお問い合わせください。"
+        ),
+        "can.coupon.already_used" to mapOf(
+            Lang.KO to "이미 사용한 쿠폰번호 입니다.",
+            Lang.EN to "This coupon number has already been used.",
+            Lang.JA to "すでに使用されたクーポン番号です。"
+        ),
+        "can.coupon.use_complete" to mapOf(
+            Lang.KO to "쿠폰 사용이 완료되었습니다.\n%s캔이 지급되었습니다.",
+            Lang.EN to "Coupon redeemed successfully.\n%s cans have been granted.",
+            Lang.JA to "クーポンの使用が完了しました。\n%s缶が支給されました。"
+        ),
+        "can.coupon.use_complete_point" to mapOf(
+            Lang.KO to "쿠폰 사용이 완료되었습니다.\n%s포인트가 지급되었습니다.",
+            Lang.EN to "Coupon redeemed successfully.\n%s points have been granted.",
+            Lang.JA to "クーポンの使用が完了しました。\n%sポイントが付与されました。"
+        ),
+        "can.coupon.single_use_only" to mapOf(
+            Lang.KO to "해당 쿠폰은 1회만 충전이 가능합니다.",
+            Lang.EN to "This coupon can be used only once for charging.",
+            Lang.JA to "このクーポンは1回のみチャージに使用できます。"
+        ),
+        "can.coupon.expired" to mapOf(
+            Lang.KO to "유효기간이 경과된 쿠폰입니다.",
+            Lang.EN to "This coupon has expired.",
+            Lang.JA to "有効期限が切れたクーポンです。"
+        ),
+        "can.coupon.inactive" to mapOf(
+            Lang.KO to "이용이 불가능한 쿠폰입니다.",
+            Lang.EN to "This coupon is not available.",
+            Lang.JA to "利用できないクーポンです。"
+        ),
+        "can.coupon.no_changes" to mapOf(
+            Lang.KO to "변경사항이 없습니다.",
+            Lang.EN to "No changes found.",
+            Lang.JA to "変更事項がありません。"
+        ),
+        "can.coupon.validity_after_current" to mapOf(
+            Lang.KO to "유효기간은 기존 유효기간 이후 날짜로 설정하실 수 있습니다.",
+            Lang.EN to "Validity must be set after the current expiration date.",
+            Lang.JA to "有効期限は現在の有効期限以降に設定できます。"
+        ),
+        "can.coupon.auth_required" to mapOf(
+            Lang.KO to "쿠폰은 본인인증을 하셔야 사용이 가능합니다.",
+            Lang.EN to "You must verify your identity to use coupons.",
+            Lang.JA to "クーポンの使用には本人認証が必要です。"
+        ),
+        "can.coupon.download_failed_retry" to mapOf(
+            Lang.KO to "다운로드를 하지 못했습니다.\n다시 시도해 주세요.",
+            Lang.EN to "Download failed.\nPlease try again.",
+            Lang.JA to "ダウンロードできませんでした。\nもう一度お試しください。"
+        ),
+        "can.coupon.download_filename" to mapOf(
+            Lang.KO to "쿠폰번호리스트.xlsx",
+            Lang.EN to "coupon_number_list.xlsx",
+            Lang.JA to "クーポン番号リスト.xlsx"
+        ),
+        "can.coupon.download_header.index" to mapOf(
+            Lang.KO to "순번",
+            Lang.EN to "No.",
+            Lang.JA to "番号"
+        ),
+        "can.coupon.download_header.number" to mapOf(
+            Lang.KO to "쿠폰번호",
+            Lang.EN to "Coupon Number",
+            Lang.JA to "クーポン番号"
+        ),
+        "can.coupon.download_header.used" to mapOf(
+            Lang.KO to "사용여부",
+            Lang.EN to "Used",
+            Lang.JA to "使用有無"
+        ),
+        "can.coupon.download_used_mark" to mapOf(
+            Lang.KO to "O",
+            Lang.EN to "O",
+            Lang.JA to "O"
+        ),
+        "can.coupon.download_unused_mark" to mapOf(
+            Lang.KO to "X",
+            Lang.EN to "X",
+            Lang.JA to "X"
+        )
+    )
+
+    private val canPaymentMessages = mapOf(
+        "can.payment.invalid_request_retry" to mapOf(
+            Lang.KO to "잘못된 요청입니다.\n다시 시도해 주세요.",
+            Lang.EN to "Invalid request.\nPlease try again.",
+            Lang.JA to "不正なリクエストです。\nもう一度お試しください。"
+        ),
+        "can.payment.invalid_reservation" to mapOf(
+            Lang.KO to "잘못된 예약정보 입니다.",
+            Lang.EN to "Invalid reservation information.",
+            Lang.JA to "無効な予約情報です。"
+        ),
+        "can.payment.method.refund" to mapOf(
+            Lang.KO to "환불",
+            Lang.EN to "Refund",
+            Lang.JA to "返金"
+        ),
+        "can.payment.insufficient_can" to mapOf(
+            Lang.KO to "%s 캔이 부족합니다. 충전 후 이용해 주세요.",
+            Lang.EN to "You are short of %s cans. Please recharge and try again.",
+            Lang.JA to "%s缶が不足しています。チャージしてからご利用ください。"
+        )
+    )
+
     private val adminChatBannerMessages = mapOf(
         "admin.chat.banner.image_save_failed" to mapOf(
             Lang.KO to "이미지 저장에 실패했습니다.",
@@ -1546,6 +1718,10 @@ class SodaMessageSource {
             auditionVoteMessages,
             settlementRatioMessages,
             adminCanMessages,
+            canChargeMessages,
+            canChargeEventMessages,
+            canCouponMessages,
+            canPaymentMessages,
             adminChatBannerMessages,
             adminChatCalculateMessages,
             adminChatCharacterMessages,