diff --git a/backend/emm-sale/src/documentTest/java/com/emmsale/EventApiTest.java b/backend/emm-sale/src/documentTest/java/com/emmsale/EventApiTest.java
index 03789ff73..b1a4de421 100644
--- a/backend/emm-sale/src/documentTest/java/com/emmsale/EventApiTest.java
+++ b/backend/emm-sale/src/documentTest/java/com/emmsale/EventApiTest.java
@@ -87,7 +87,8 @@ class EventApiTest extends MockMvcTestHelper {
       fieldWithPath("type").type(JsonFieldType.STRING)
           .description("event의 타입"),
       fieldWithPath("imageUrls[]").description("이미지 URL들").optional(),
-      fieldWithPath("organization").description("행사기관")
+      fieldWithPath("organization").description("행사기관"),
+      fieldWithPath("paymentType").description("유무료 여부(유료,무료,유무료)")
   );
 
   @Test
@@ -102,7 +103,7 @@ void findEvent() throws Exception {
         "UPCOMING",
         "ENDED", List.of("코틀린", "백엔드", "안드로이드"),
         "https://www.image.com", 2, -12, EventType.COMPETITION.toString(),
-        List.of("imageUrl1", "imageUrl2"), "인프런");
+        List.of("imageUrl1", "imageUrl2"), "인프런", "유료");
 
     Mockito.when(eventService.findEvent(ArgumentMatchers.anyLong(), any()))
         .thenReturn(eventDetailResponse);
@@ -211,7 +212,7 @@ void updateEventTest() throws Exception {
         request.getApplyStartDateTime(), request.getApplyEndDateTime(),
         request.getLocation(), EventStatus.IN_PROGRESS.name(), EventStatus.ENDED.name(),
         tags.stream().map(TagRequest::getName).collect(Collectors.toList()), request.getImageUrl(),
-        10, 10, request.getType().toString(), Collections.emptyList(), "행사기관");
+        10, 10, request.getType().toString(), Collections.emptyList(), "행사기관", "유료");
 
     Mockito.when(eventService.updateEvent(any(), any(),
         any())).thenReturn(response);
@@ -299,7 +300,7 @@ void addEventTest() throws Exception {
           request.getLocation(), EventStatus.IN_PROGRESS.name(), EventStatus.ENDED.name(),
           tags.stream().map(TagRequest::getName).collect(Collectors.toList()),
           request.getImageUrl(), 10, 10, request.getType().toString(),
-          List.of("imageUrl1", "imageUrl2"), "행사기관");
+          List.of("imageUrl1", "imageUrl2"), "행사기관", "무료");
 
       Mockito.when(eventService.addEvent(any(), any()))
           .thenReturn(response);
diff --git a/backend/emm-sale/src/main/java/com/emmsale/event/application/dto/EventDetailResponse.java b/backend/emm-sale/src/main/java/com/emmsale/event/application/dto/EventDetailResponse.java
index a4a8051fb..10bcb7728 100644
--- a/backend/emm-sale/src/main/java/com/emmsale/event/application/dto/EventDetailResponse.java
+++ b/backend/emm-sale/src/main/java/com/emmsale/event/application/dto/EventDetailResponse.java
@@ -39,6 +39,7 @@ public class EventDetailResponse {
   private final String type;
   private final List<String> imageUrls;
   private final String organization;
+  private final String paymentType;
 
   public static EventDetailResponse from(
       final Event event,
@@ -67,7 +68,8 @@ public static EventDetailResponse from(
         event.getEventPeriod().calculateApplyRemainingDays(today),
         event.getType().toString(),
         imageUrls,
-        event.getOrganization()
+        event.getOrganization(),
+        event.getPaymentType().getValue()
     );
   }
 }
diff --git a/backend/emm-sale/src/test/java/com/emmsale/event/application/dto/EventDetailResponseTest.java b/backend/emm-sale/src/test/java/com/emmsale/event/application/dto/EventDetailResponseTest.java
index 457baa024..132b50fd3 100644
--- a/backend/emm-sale/src/test/java/com/emmsale/event/application/dto/EventDetailResponseTest.java
+++ b/backend/emm-sale/src/test/java/com/emmsale/event/application/dto/EventDetailResponseTest.java
@@ -5,6 +5,7 @@
 import com.emmsale.event.EventFixture;
 import com.emmsale.event.domain.Event;
 import com.emmsale.event.domain.EventStatus;
+import com.emmsale.event.domain.PaymentType;
 import java.time.LocalDate;
 import java.util.Collections;
 import java.util.List;
@@ -37,7 +38,8 @@ void createEventDetailResponseTest() {
         2, 2,
         구름톤.getType().toString(),
         imageUrls,
-        구름톤.getOrganization()
+        구름톤.getOrganization(),
+        PaymentType.FREE_PAID.getValue()
     );
 
     //when