diff --git a/src/main/kotlin/roomescape/payment/infrastructure/client/v2/TosspaymentCancelDTO.kt b/src/main/kotlin/roomescape/payment/infrastructure/client/v2/TosspaymentCancelDTO.kt
new file mode 100644
index 00000000..8d678c01
--- /dev/null
+++ b/src/main/kotlin/roomescape/payment/infrastructure/client/v2/TosspaymentCancelDTO.kt
@@ -0,0 +1,54 @@
+package roomescape.payment.infrastructure.client.v2
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties
+import com.fasterxml.jackson.core.JsonParser
+import com.fasterxml.jackson.databind.DeserializationContext
+import com.fasterxml.jackson.databind.JsonDeserializer
+import com.fasterxml.jackson.databind.JsonNode
+import com.fasterxml.jackson.databind.annotation.JsonDeserialize
+import roomescape.payment.infrastructure.common.PaymentStatus
+import java.time.OffsetDateTime
+
+data class PaymentCancelRequestV2(
+    val paymentKey: String,
+    val amount: Long,
+    val cancelReason: String
+)
+
+@JsonIgnoreProperties(ignoreUnknown = true)
+data class PaymentCancelResponseV2(
+    val status: PaymentStatus,
+    @JsonDeserialize(using = CancelDetailDeserializer::class)
+    val cancels: CancelDetail,
+)
+
+data class CancelDetail(
+    val cancelAmount: Int,
+    val cardDiscountAmount: Int,
+    val transferDiscountAmount: Int,
+    val easyPayDiscountAmount: Int,
+    val canceledAt: OffsetDateTime,
+)
+
+class CancelDetailDeserializer : JsonDeserializer<CancelDetail>() {
+    override fun deserialize(
+        p: JsonParser,
+        ctxt: DeserializationContext
+    ): CancelDetail? {
+        val node: JsonNode = p.codec.readTree(p) ?: return null
+
+        val targetNode = when {
+            node.isArray && !node.isEmpty -> node[0]
+            node.isObject -> node
+            else -> return null
+        }
+
+        return CancelDetail(
+            cancelAmount = targetNode.get("cancelAmount").asInt(),
+            cardDiscountAmount = targetNode.get("cardDiscountAmount").asInt(),
+            transferDiscountAmount = targetNode.get("transferDiscountAmount").asInt(),
+            easyPayDiscountAmount = targetNode.get("easyPayDiscountAmount").asInt(),
+            canceledAt = OffsetDateTime.parse(targetNode.get("canceledAt").asText())
+        )
+    }
+}
diff --git a/src/main/kotlin/roomescape/payment/infrastructure/client/v2/TosspaymentConfirmDTO.kt b/src/main/kotlin/roomescape/payment/infrastructure/client/v2/TosspaymentConfirmDTO.kt
new file mode 100644
index 00000000..9a5254ac
--- /dev/null
+++ b/src/main/kotlin/roomescape/payment/infrastructure/client/v2/TosspaymentConfirmDTO.kt
@@ -0,0 +1,47 @@
+package roomescape.payment.infrastructure.client.v2
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties
+import roomescape.payment.infrastructure.common.*
+import java.time.OffsetDateTime
+
+data class PaymentConfirmRequest(
+    val paymentKey: String,
+    val orderId: String,
+    val amount: Long,
+    val paymentType: String,
+)
+
+@JsonIgnoreProperties(ignoreUnknown = true)
+data class PaymentConfirmResponse(
+    val paymentKey: String,
+    val orderId: String,
+    val totalAmount: Int,
+    val method: PaymentMethod,
+    val card: CardDetail?,
+    val easyPay: EasyPayDetail?,
+    val transfer: TransferDetail?,
+    val requestedAt: OffsetDateTime,
+    val approvedAt: OffsetDateTime,
+)
+
+data class CardDetail(
+    val issuerCode: CardIssuerCode,
+    val number: String,
+    val amount: Int,
+    val cardType: CardType,
+    val ownerType: CardOwnerType,
+    val isInterestFree: Boolean,
+    val approveNo: String,
+    val installmentPlanMonths: Int
+)
+
+data class EasyPayDetail(
+    val provider: EasyPayCompanyCode,
+    val amount: Int,
+    val discountAmount: Int,
+)
+
+data class TransferDetail(
+    val bankCode: BankCode,
+    val settlementStatus: String,
+)