diff --git a/src/main/java/hyu/erica/capstone/client/PlanClient.java b/src/main/java/hyu/erica/capstone/client/PlanClient.java
index e9ce0bf..f08a397 100644
--- a/src/main/java/hyu/erica/capstone/client/PlanClient.java
+++ b/src/main/java/hyu/erica/capstone/client/PlanClient.java
@@ -2,16 +2,19 @@
 
 import hyu.erica.capstone.web.dto.client.AttractionRequestDTO;
 import hyu.erica.capstone.web.dto.client.RestaurantRequestDTO;
+import hyu.erica.capstone.web.dto.client.StyleRequestDTO;
 import org.springframework.cloud.openfeign.FeignClient;
 import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestParam;
 
 @FeignClient(name = "planApiClient", url = "${plan.api.url}")
 public interface PlanClient {
 
-    @GetMapping("/restaurants/search")
-    RestaurantRequestDTO getRestaurants(@RequestParam String query);
+    @PostMapping("/restaurants/search")
+    RestaurantRequestDTO getRestaurants(@RequestBody StyleRequestDTO request);
 
-    @GetMapping("/attraction/search")
-    AttractionRequestDTO getAttractions(@RequestParam String query);
+    @PostMapping("/attraction/search")
+    AttractionRequestDTO getAttractions(@RequestBody StyleRequestDTO request);
 }
diff --git a/src/main/java/hyu/erica/capstone/service/async/StyleBackgroundTaskService.java b/src/main/java/hyu/erica/capstone/service/async/StyleBackgroundTaskService.java
index 7069b0d..b7e0c29 100644
--- a/src/main/java/hyu/erica/capstone/service/async/StyleBackgroundTaskService.java
+++ b/src/main/java/hyu/erica/capstone/service/async/StyleBackgroundTaskService.java
@@ -19,6 +19,8 @@
 import hyu.erica.capstone.repository.UserRepository;
 import hyu.erica.capstone.web.dto.client.AttractionRequestDTO;
 import hyu.erica.capstone.web.dto.client.RestaurantRequestDTO;
+import hyu.erica.capstone.web.dto.client.StyleRequestDTO;
+import hyu.erica.capstone.web.dto.style.request.UserStyleRequestDTO;
 import java.util.concurrent.CompletableFuture;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
@@ -52,8 +54,10 @@ public void handleTripPlanDetails(Long tripPlanId, Style style, User user) {
 
 
         try {
-            String prompt = buildPrompt(style);
 
+            StyleRequestDTO prompt = StyleRequestDTO.of(style.getCity().name(), style.getStartDate(),
+                    style.getEndDate(), style.getPreferActivity(), style.getRequirement());
+            
             // 외부 API 병렬 호출
             CompletableFuture<AttractionRequestDTO> attractionFuture =
                     CompletableFuture.supplyAsync(() -> planClient.getAttractions(prompt));
@@ -98,13 +102,4 @@ public void handleTripPlanDetails(Long tripPlanId, Style style, User user) {
         tripPlanRepository.save(tripPlan);
     }
 
-    private String buildPrompt(Style style) {
-        return new StringBuilder()
-                .append("여행 지역 : ").append(style.getCity().name()).append("\n")
-                .append("시작 날짜 : ").append(style.getStartDate()).append("\n")
-                .append("종료 날짜 : ").append(style.getEndDate()).append("\n")
-                .append("선호 활동 : ").append(style.getPreferActivity()).append("\n")
-                .append("추가 요구 사항 : ").append(style.getRequirement())
-                .toString();
-    }
 }
diff --git a/src/main/java/hyu/erica/capstone/web/dto/client/AttractionRequestDTO.java b/src/main/java/hyu/erica/capstone/web/dto/client/AttractionRequestDTO.java
index a0e6c38..c6c7e16 100644
--- a/src/main/java/hyu/erica/capstone/web/dto/client/AttractionRequestDTO.java
+++ b/src/main/java/hyu/erica/capstone/web/dto/client/AttractionRequestDTO.java
@@ -1,6 +1,11 @@
 package hyu.erica.capstone.web.dto.client;
 
+import jakarta.persistence.criteria.CriteriaBuilder.In;
 import java.util.List;
 
-public record AttractionRequestDTO (String answer, List<Long> attraction_ids) {
+public record AttractionRequestDTO (List<AttractionDetailDTO> recommendations, List<Long> attraction_ids) {
+
+    private record AttractionDetailDTO (String name, String description, Integer index) {
+
+    }
 }
diff --git a/src/main/java/hyu/erica/capstone/web/dto/client/RestaurantRequestDTO.java b/src/main/java/hyu/erica/capstone/web/dto/client/RestaurantRequestDTO.java
index 544c74c..aff6528 100644
--- a/src/main/java/hyu/erica/capstone/web/dto/client/RestaurantRequestDTO.java
+++ b/src/main/java/hyu/erica/capstone/web/dto/client/RestaurantRequestDTO.java
@@ -2,5 +2,9 @@
 
 import java.util.List;
 
-public record RestaurantRequestDTO(String answer, List<Long> restaurant_ids) {
+public record RestaurantRequestDTO(List<RestaurantDetailDTO> recommendations, List<Long> restaurant_ids) {
+
+    private record RestaurantDetailDTO (String name, String description, Integer index) {
+
+    }
 }
diff --git a/src/main/java/hyu/erica/capstone/web/dto/client/StyleRequestDTO.java b/src/main/java/hyu/erica/capstone/web/dto/client/StyleRequestDTO.java
new file mode 100644
index 0000000..2695847
--- /dev/null
+++ b/src/main/java/hyu/erica/capstone/web/dto/client/StyleRequestDTO.java
@@ -0,0 +1,11 @@
+package hyu.erica.capstone.web.dto.client;
+
+import java.time.LocalDate;
+
+public record StyleRequestDTO (String city, LocalDate startDate, LocalDate endDate,
+                               String preferActivity, String requirement){
+
+    public static StyleRequestDTO of(String city, LocalDate startDate, LocalDate endDate, String preferActivity, String requirement){
+        return new StyleRequestDTO(city, startDate, endDate, preferActivity, requirement);
+    }
+}