diff --git a/src/routes/(root)/opi/ko/quick-guide/_preview/Preview.tsx b/src/routes/(root)/opi/ko/quick-guide/_preview/Preview.tsx
index ef19bdc54..917162e07 100644
--- a/src/routes/(root)/opi/ko/quick-guide/_preview/Preview.tsx
+++ b/src/routes/(root)/opi/ko/quick-guide/_preview/Preview.tsx
@@ -48,264 +48,163 @@ export function Preview() {
       .getRandomValues(new Uint32Array(1))[0]!
       .toString(16)
       .padStart(8, "0");
+
+    const createPayment: (
+      overrides: Partial<PortOne.PaymentRequest> &
+        Pick<PortOne.PaymentRequest, "channelKey" | "payMethod">,
+    ) => PortOne.PaymentRequest = (overrides) => {
+      return {
+        paymentId,
+        storeId: "store-e4038486-8d83-41a5-acf1-844a009e0d94",
+        orderName: "신발",
+        totalAmount: 1000,
+        currency: "CURRENCY_KRW",
+        redirectUrl: "https://sdk-playground.portone.io/",
+        ...overrides,
+      } satisfies PortOne.PaymentRequest;
+    };
+
     const request = match(untrack(() => params))
-      .with(
-        { pg: { name: "toss", payMethods: "card" } },
-        () =>
-          ({
-            storeId: "store-e4038486-8d83-41a5-acf1-844a009e0d94",
-            paymentId,
-            orderName: "나이키 멘즈 조이라이드 플라이니트",
-            totalAmount: 1000,
-            currency: "CURRENCY_KRW",
-            channelKey: "channel-key-ebe7daa6-4fe4-41bd-b17d-3495264399b5",
-            payMethod: "CARD",
-            card: {},
-          }) satisfies PortOne.PaymentRequest,
+      .with({ pg: { name: "toss", payMethods: "card" } }, () =>
+        createPayment({
+          channelKey: "channel-key-ebe7daa6-4fe4-41bd-b17d-3495264399b5",
+          payMethod: "CARD",
+        }),
       )
-      .with(
-        { pg: { name: "toss", payMethods: "virtualAccount" } },
-        () =>
-          ({
-            storeId: "store-e4038486-8d83-41a5-acf1-844a009e0d94",
-            paymentId,
-            orderName: "나이키 멘즈 조이라이드 플라이니트",
-            totalAmount: 1000,
-            currency: "CURRENCY_KRW",
-            channelKey: "channel-key-ebe7daa6-4fe4-41bd-b17d-3495264399b5",
-            payMethod: "VIRTUAL_ACCOUNT",
-            virtualAccount: {
-              accountExpiry: {
-                validHours: 1,
-              },
+      .with({ pg: { name: "toss", payMethods: "virtualAccount" } }, () =>
+        createPayment({
+          channelKey: "channel-key-ebe7daa6-4fe4-41bd-b17d-3495264399b5",
+          payMethod: "VIRTUAL_ACCOUNT",
+          virtualAccount: {
+            accountExpiry: {
+              validHours: 1,
             },
-          }) satisfies PortOne.PaymentRequest,
+          },
+        }),
       )
-      .with(
-        { pg: { name: "nice", payMethods: "card" } },
-        () =>
-          ({
-            storeId: "store-e4038486-8d83-41a5-acf1-844a009e0d94",
-            paymentId,
-            orderName: "나이키 멘즈 조이라이드 플라이니트",
-            totalAmount: 1000,
-            currency: "CURRENCY_KRW",
-            channelKey: "channel-key-4ca6a942-3ee0-48fb-93ef-f4294b876d28",
-            payMethod: "CARD",
-            card: {},
-            redirectUrl: "https://sdk-playground.portone.io/",
-          }) satisfies PortOne.PaymentRequest,
+      .with({ pg: { name: "nice", payMethods: "card" } }, () =>
+        createPayment({
+          channelKey: "channel-key-4ca6a942-3ee0-48fb-93ef-f4294b876d28",
+          payMethod: "CARD",
+        }),
       )
-      .with(
-        { pg: { name: "nice", payMethods: "virtualAccount" } },
-        () =>
-          ({
-            storeId: "store-e4038486-8d83-41a5-acf1-844a009e0d94",
-            paymentId,
-            orderName: "나이키 멘즈 조이라이드 플라이니트",
-            totalAmount: 1000,
-            currency: "CURRENCY_KRW",
-            channelKey: "channel-key-e6c31df1-5559-4b4a-9b2c-a35793d14db2",
-            payMethod: "VIRTUAL_ACCOUNT",
-            virtualAccount: {
-              accountExpiry: {
-                validHours: 1,
-              },
+      .with({ pg: { name: "nice", payMethods: "virtualAccount" } }, () =>
+        createPayment({
+          channelKey: "channel-key-e6c31df1-5559-4b4a-9b2c-a35793d14db2",
+          payMethod: "VIRTUAL_ACCOUNT",
+          virtualAccount: {
+            accountExpiry: {
+              validHours: 1,
             },
-            redirectUrl: "https://sdk-playground.portone.io/",
-          }) satisfies PortOne.PaymentRequest,
+          },
+        }),
       )
-      .with(
-        { pg: { name: "smartro", payMethods: "card" } },
-        () =>
-          ({
-            storeId: "store-e4038486-8d83-41a5-acf1-844a009e0d94",
-            paymentId,
-            orderName: "나이키 멘즈 조이라이드 플라이니트",
-            totalAmount: 1000,
-            currency: "CURRENCY_KRW",
-            channelKey: "channel-key-c4a4b281-a1e5-40c9-8140-f055262bcefd",
-            payMethod: "CARD",
-            card: {},
-            redirectUrl: "https://sdk-playground.portone.io/",
-            customer: {
-              phoneNumber: "01012341234",
-            },
-          }) satisfies PortOne.PaymentRequest,
+      .with({ pg: { name: "smartro", payMethods: "card" } }, () =>
+        createPayment({
+          channelKey: "channel-key-c4a4b281-a1e5-40c9-8140-f055262bcefd",
+          payMethod: "CARD",
+          customer: {
+            phoneNumber: "01012341234",
+          },
+        }),
       )
-      .with(
-        { pg: { name: "smartro", payMethods: "virtualAccount" } },
-        () =>
-          ({
-            storeId: "store-e4038486-8d83-41a5-acf1-844a009e0d94",
-            paymentId,
-            orderName: "나이키 멘즈 조이라이드 플라이니트",
-            totalAmount: 1000,
-            currency: "CURRENCY_KRW",
-            channelKey: "channel-key-c4a4b281-a1e5-40c9-8140-f055262bcefd",
-            payMethod: "VIRTUAL_ACCOUNT",
-            virtualAccount: {
-              accountExpiry: {
-                validHours: 1,
-              },
-            },
-            customer: {
-              phoneNumber: "01012341234",
+      .with({ pg: { name: "smartro", payMethods: "virtualAccount" } }, () =>
+        createPayment({
+          channelKey: "channel-key-c4a4b281-a1e5-40c9-8140-f055262bcefd",
+          payMethod: "VIRTUAL_ACCOUNT",
+          virtualAccount: {
+            accountExpiry: {
+              validHours: 1,
             },
-            redirectUrl: "https://sdk-playground.portone.io/",
-          }) satisfies PortOne.PaymentRequest,
+          },
+          customer: {
+            phoneNumber: "01012341234",
+          },
+        }),
       )
-      .with(
-        { pg: { name: "inicis", payMethods: "card" } },
-        () =>
-          ({
-            storeId: "store-e4038486-8d83-41a5-acf1-844a009e0d94",
-            paymentId,
-            orderName: "나이키 멘즈 조이라이드 플라이니트",
-            totalAmount: 1000,
-            currency: "CURRENCY_KRW",
-            channelKey: "channel-key-fc5f33bb-c51e-4ac7-a0df-4dc40330046d",
-            payMethod: "CARD",
-            card: {},
-            customer: {
-              fullName: "포트원",
-              email: "example@portone.io",
-              phoneNumber: "01012341234",
-            },
-            redirectUrl: "https://sdk-playground.portone.io/",
-          }) satisfies PortOne.PaymentRequest,
+      .with({ pg: { name: "inicis", payMethods: "card" } }, () =>
+        createPayment({
+          channelKey: "channel-key-fc5f33bb-c51e-4ac7-a0df-4dc40330046d",
+          payMethod: "CARD",
+          customer: {
+            fullName: "포트원",
+            email: "example@portone.io",
+            phoneNumber: "01012341234",
+          },
+        }),
       )
-      .with(
-        { pg: { name: "inicis", payMethods: "virtualAccount" } },
-        () =>
-          ({
-            storeId: "store-e4038486-8d83-41a5-acf1-844a009e0d94",
-            paymentId,
-            orderName: "나이키 멘즈 조이라이드 플라이니트",
-            totalAmount: 1000,
-            currency: "CURRENCY_KRW",
-            channelKey: "channel-key-fc5f33bb-c51e-4ac7-a0df-4dc40330046d",
-            payMethod: "VIRTUAL_ACCOUNT",
-            virtualAccount: {
-              accountExpiry: {
-                validHours: 1,
-              },
-            },
-            customer: {
-              fullName: "포트원",
-              email: "example@portone.io",
-              phoneNumber: "01012341234",
+      .with({ pg: { name: "inicis", payMethods: "virtualAccount" } }, () =>
+        createPayment({
+          channelKey: "channel-key-fc5f33bb-c51e-4ac7-a0df-4dc40330046d",
+          payMethod: "VIRTUAL_ACCOUNT",
+          virtualAccount: {
+            accountExpiry: {
+              validHours: 1,
             },
-            redirectUrl: "https://sdk-playground.portone.io/",
-          }) satisfies PortOne.PaymentRequest,
+          },
+          customer: {
+            fullName: "포트원",
+            email: "example@portone.io",
+            phoneNumber: "01012341234",
+          },
+        }),
       )
-      .with(
-        { pg: { name: "kcp", payMethods: "card" } },
-        () =>
-          ({
-            storeId: "store-e4038486-8d83-41a5-acf1-844a009e0d94",
-            paymentId,
-            orderName: "나이키 멘즈 조이라이드 플라이니트",
-            totalAmount: 1000,
-            currency: "CURRENCY_KRW",
-            channelKey: "channel-key-a79920e0-a898-49f0-aab7-50aa6834848f",
-            payMethod: "CARD",
-            card: {},
-            redirectUrl: "https://sdk-playground.portone.io/",
-          }) satisfies PortOne.PaymentRequest,
+      .with({ pg: { name: "kcp", payMethods: "card" } }, () =>
+        createPayment({
+          channelKey: "channel-key-a79920e0-a898-49f0-aab7-50aa6834848f",
+          payMethod: "CARD",
+        }),
       )
-      .with(
-        { pg: { name: "kcp", payMethods: "virtualAccount" } },
-        () =>
-          ({
-            storeId: "store-e4038486-8d83-41a5-acf1-844a009e0d94",
-            paymentId,
-            orderName: "나이키 멘즈 조이라이드 플라이니트",
-            totalAmount: 1000,
-            currency: "CURRENCY_KRW",
-            channelKey: "channel-key-a79920e0-a898-49f0-aab7-50aa6834848f",
-            payMethod: "VIRTUAL_ACCOUNT",
-            virtualAccount: {
-              accountExpiry: {
-                validHours: 1,
-              },
+      .with({ pg: { name: "kcp", payMethods: "virtualAccount" } }, () =>
+        createPayment({
+          channelKey: "channel-key-a79920e0-a898-49f0-aab7-50aa6834848f",
+          payMethod: "VIRTUAL_ACCOUNT",
+          virtualAccount: {
+            accountExpiry: {
+              validHours: 1,
             },
-            redirectUrl: "https://sdk-playground.portone.io/",
-          }) satisfies PortOne.PaymentRequest,
+          },
+        }),
       )
-      .with(
-        { pg: { name: "kpn", payMethods: "card" } },
-        () =>
-          ({
-            storeId: "store-e4038486-8d83-41a5-acf1-844a009e0d94",
-            paymentId,
-            orderName: "나이키 멘즈 조이라이드 플라이니트",
-            totalAmount: 1000,
-            currency: "CURRENCY_KRW",
-            channelKey: "channel-key-bcbb1622-ff80-49d5-adef-49191fda8ede",
-            payMethod: "CARD",
-            card: {},
-            redirectUrl: "https://sdk-playground.portone.io/",
-          }) satisfies PortOne.PaymentRequest,
+      .with({ pg: { name: "kpn", payMethods: "card" } }, () =>
+        createPayment({
+          channelKey: "channel-key-bcbb1622-ff80-49d5-adef-49191fda8ede",
+          payMethod: "CARD",
+        }),
       )
-      .with(
-        { pg: { name: "kpn", payMethods: "virtualAccount" } },
-        () =>
-          ({
-            storeId: "store-e4038486-8d83-41a5-acf1-844a009e0d94",
-            paymentId,
-            orderName: "나이키 멘즈 조이라이드 플라이니트",
-            totalAmount: 1000,
-            currency: "CURRENCY_KRW",
-            channelKey: "channel-key-bcbb1622-ff80-49d5-adef-49191fda8ede",
-            payMethod: "VIRTUAL_ACCOUNT",
-            virtualAccount: {
-              accountExpiry: {
-                validHours: 1,
-              },
+      .with({ pg: { name: "kpn", payMethods: "virtualAccount" } }, () =>
+        createPayment({
+          channelKey: "channel-key-bcbb1622-ff80-49d5-adef-49191fda8ede",
+          payMethod: "VIRTUAL_ACCOUNT",
+          virtualAccount: {
+            accountExpiry: {
+              validHours: 1,
             },
-            redirectUrl: "https://sdk-playground.portone.io/",
-          }) satisfies PortOne.PaymentRequest,
+          },
+        }),
       )
-      .with(
-        { pg: { name: "ksnet", payMethods: "card" } },
-        () =>
-          ({
-            storeId: "store-e4038486-8d83-41a5-acf1-844a009e0d94",
-            paymentId,
-            orderName: "나이키 멘즈 조이라이드 플라이니트",
-            totalAmount: 1000,
-            currency: "CURRENCY_KRW",
-            channelKey: "channel-key-4a5daa34-aecb-44af-aaad-e42384acfb6e",
-            payMethod: "CARD",
-            card: {},
-            customer: {
-              fullName: "포트원",
-            },
-            redirectUrl: "https://sdk-playground.portone.io/",
-          }) satisfies PortOne.PaymentRequest,
+      .with({ pg: { name: "ksnet", payMethods: "card" } }, () =>
+        createPayment({
+          channelKey: "channel-key-4a5daa34-aecb-44af-aaad-e42384acfb6e",
+          payMethod: "CARD",
+          customer: {
+            fullName: "포트원",
+          },
+        }),
       )
-      .with(
-        { pg: { name: "ksnet", payMethods: "virtualAccount" } },
-        () =>
-          ({
-            storeId: "store-e4038486-8d83-41a5-acf1-844a009e0d94",
-            paymentId,
-            orderName: "나이키 멘즈 조이라이드 플라이니트",
-            totalAmount: 1000,
-            currency: "CURRENCY_KRW",
-            channelKey: "channel-key-4a5daa34-aecb-44af-aaad-e42384acfb6e",
-            payMethod: "VIRTUAL_ACCOUNT",
-            virtualAccount: {
-              accountExpiry: {
-                validHours: 1,
-              },
-            },
-            customer: {
-              fullName: "포트원",
+      .with({ pg: { name: "ksnet", payMethods: "virtualAccount" } }, () =>
+        createPayment({
+          channelKey: "channel-key-4a5daa34-aecb-44af-aaad-e42384acfb6e",
+          payMethod: "VIRTUAL_ACCOUNT",
+          virtualAccount: {
+            accountExpiry: {
+              validHours: 1,
             },
-            redirectUrl: "https://sdk-playground.portone.io/",
-          }) satisfies PortOne.PaymentRequest,
+          },
+          customer: {
+            fullName: "포트원",
+          },
+        }),
       )
       .exhaustive();