diff --git a/apps/api/v2/src/ee/event-types/event-types_2024_06_14/controllers/event-types.controller.e2e-spec.ts b/apps/api/v2/src/ee/event-types/event-types_2024_06_14/controllers/event-types.controller.e2e-spec.ts
index 956d318bec..18dc39a661 100644
--- a/apps/api/v2/src/ee/event-types/event-types_2024_06_14/controllers/event-types.controller.e2e-spec.ts
+++ b/apps/api/v2/src/ee/event-types/event-types_2024_06_14/controllers/event-types.controller.e2e-spec.ts
@@ -34,6 +34,7 @@ import {
   ApiSuccessResponse,
   CreateEventTypeInput_2024_06_14,
   EventTypeOutput_2024_06_14,
+  GuestsDefaultFieldOutput_2024_06_14,
   NameDefaultFieldInput_2024_06_14,
   NotesDefaultFieldInput_2024_06_14,
   UpdateEventTypeInput_2024_06_14,
@@ -535,6 +536,7 @@ describe("Event types Endpoints", () => {
             body.lockTimeZoneToggleOnBookingPage
           );
           expect(createdEventType.color).toEqual(body.color);
+          expect(createdEventType.disableGuests).toEqual(false);
 
           const expectedBookingFields = [
             { ...defaultResponseBookingFieldName, ...nameBookingField },
@@ -1041,6 +1043,7 @@ describe("Event types Endpoints", () => {
           expect(updatedEventType.description).toEqual(eventType.description);
           expect(updatedEventType.lengthInMinutes).toEqual(eventType.lengthInMinutes);
           expect(updatedEventType.locations).toEqual(eventType.locations);
+          expect(updatedEventType.disableGuests).toEqual(false);
 
           const expectedBookingFields = [
             { ...defaultResponseBookingFieldName, ...nameBookingField },
@@ -1887,6 +1890,96 @@ describe("Event types Endpoints", () => {
       });
     });
 
+    describe("toggle disable guests", () => {
+      let eventTypeWithGuestsDisabledId: number;
+
+      it("should create an event type with guests disabled", async () => {
+        const body: CreateEventTypeInput_2024_06_14 = {
+          title: "Coding class guests disabled",
+          slug: "coding-class-guests-disabled",
+          description: "Let's learn how to code like a pro.",
+          lengthInMinutes: 60,
+          disableGuests: true,
+        };
+
+        return request(app.getHttpServer())
+          .post("/api/v2/event-types")
+          .set(CAL_API_VERSION_HEADER, VERSION_2024_06_14)
+          .send(body)
+          .expect(201)
+          .then(async (response) => {
+            const responseBody: ApiSuccessResponse<EventTypeOutput_2024_06_14> = response.body;
+            const createdEventType = responseBody.data;
+            expect(createdEventType).toHaveProperty("id");
+            expect(createdEventType.title).toEqual(body.title);
+            expect(createdEventType.description).toEqual(body.description);
+            expect(createdEventType.lengthInMinutes).toEqual(body.lengthInMinutes);
+
+            expect(createdEventType.disableGuests).toEqual(true);
+            const guestsBookingField = createdEventType.bookingFields.find(
+              (field) => field.slug === "guests"
+            ) as GuestsDefaultFieldOutput_2024_06_14 | undefined;
+            expect(guestsBookingField?.hidden).toEqual(true);
+
+            eventTypeWithGuestsDisabledId = createdEventType.id;
+          });
+      });
+
+      it("should update an event type with guests enabled", async () => {
+        const body: UpdateEventTypeInput_2024_06_14 = {
+          disableGuests: false,
+        };
+
+        return request(app.getHttpServer())
+          .patch(`/api/v2/event-types/${eventTypeWithGuestsDisabledId}`)
+          .set(CAL_API_VERSION_HEADER, VERSION_2024_06_14)
+          .send(body)
+          .expect(200)
+          .then(async (response) => {
+            const responseBody: ApiSuccessResponse<EventTypeOutput_2024_06_14> = response.body;
+            const updatedEventType = responseBody.data;
+
+            expect(updatedEventType.disableGuests).toEqual(false);
+            const guestsBookingField = updatedEventType.bookingFields.find(
+              (field) => field.slug === "guests"
+            ) as GuestsDefaultFieldOutput_2024_06_14 | undefined;
+            expect(guestsBookingField?.hidden).toEqual(false);
+
+            eventTypeWithGuestsDisabledId = updatedEventType.id;
+          });
+      });
+
+      it("should update an event type with guests disabled", async () => {
+        const body: UpdateEventTypeInput_2024_06_14 = {
+          disableGuests: true,
+        };
+
+        return request(app.getHttpServer())
+          .patch(`/api/v2/event-types/${eventTypeWithGuestsDisabledId}`)
+          .set(CAL_API_VERSION_HEADER, VERSION_2024_06_14)
+          .send(body)
+          .expect(200)
+          .then(async (response) => {
+            const responseBody: ApiSuccessResponse<EventTypeOutput_2024_06_14> = response.body;
+            const updatedEventType = responseBody.data;
+
+            expect(updatedEventType.disableGuests).toEqual(true);
+            const guestsBookingField = updatedEventType.bookingFields.find(
+              (field) => field.slug === "guests"
+            ) as GuestsDefaultFieldOutput_2024_06_14 | undefined;
+            expect(guestsBookingField?.hidden).toEqual(true);
+
+            eventTypeWithGuestsDisabledId = updatedEventType.id;
+          });
+      });
+
+      afterAll(async () => {
+        if (eventTypeWithGuestsDisabledId) {
+          await eventTypesRepositoryFixture.delete(eventTypeWithGuestsDisabledId);
+        }
+      });
+    });
+
     afterAll(async () => {
       await oauthClientRepositoryFixture.delete(oAuthClient.id);
       await teamRepositoryFixture.delete(organization.id);
diff --git a/apps/api/v2/src/ee/event-types/event-types_2024_06_14/services/input-event-types.service.ts b/apps/api/v2/src/ee/event-types/event-types_2024_06_14/services/input-event-types.service.ts
index c858816f80..c05e7c765b 100644
--- a/apps/api/v2/src/ee/event-types/event-types_2024_06_14/services/input-event-types.service.ts
+++ b/apps/api/v2/src/ee/event-types/event-types_2024_06_14/services/input-event-types.service.ts
@@ -32,6 +32,7 @@ import { validateCustomEventName, EventTypeMetaDataSchema } from "@calcom/platfo
 import {
   CreateEventTypeInput_2024_06_14,
   DestinationCalendar_2024_06_14,
+  InputBookingField_2024_06_14,
   OutputUnknownLocation_2024_06_14,
   UpdateEventTypeInput_2024_06_14,
 } from "@calcom/platform-types";
@@ -117,16 +118,23 @@ export class InputEventTypesService_2024_06_14 {
       seats,
       customName,
       useDestinationCalendarEmail,
+      disableGuests,
       ...rest
     } = inputEventType;
     const confirmationPolicyTransformed = this.transformInputConfirmationPolicy(confirmationPolicy);
 
     const locationsTransformed = locations?.length ? this.transformInputLocations(locations) : undefined;
+
+    const effectiveBookingFields =
+      disableGuests !== undefined
+        ? this.getBookingFieldsWithGuestsToggled(bookingFields, disableGuests)
+        : bookingFields;
+
     const eventType = {
       ...rest,
       length: lengthInMinutes,
       locations: locationsTransformed,
-      bookingFields: this.transformInputBookingFields(bookingFields),
+      bookingFields: this.transformInputBookingFields(effectiveBookingFields),
       bookingLimits: bookingLimitsCount ? this.transformInputIntervalLimits(bookingLimitsCount) : undefined,
       durationLimits: bookingLimitsDuration
         ? this.transformInputIntervalLimits(bookingLimitsDuration)
@@ -167,6 +175,7 @@ export class InputEventTypesService_2024_06_14 {
       seats,
       customName,
       useDestinationCalendarEmail,
+      disableGuests,
       ...rest
     } = inputEventType;
     const eventTypeDb = await this.eventTypesRepository.getEventTypeWithMetaData(eventTypeId);
@@ -176,11 +185,18 @@ export class InputEventTypesService_2024_06_14 {
 
     const confirmationPolicyTransformed = this.transformInputConfirmationPolicy(confirmationPolicy);
 
+    const effectiveBookingFields =
+      disableGuests !== undefined
+        ? this.getBookingFieldsWithGuestsToggled(bookingFields, disableGuests)
+        : bookingFields;
+
     const eventType = {
       ...rest,
       length: lengthInMinutes,
       locations: locations ? this.transformInputLocations(locations) : undefined,
-      bookingFields: bookingFields ? this.transformInputBookingFields(bookingFields) : undefined,
+      bookingFields: effectiveBookingFields
+        ? this.transformInputBookingFields(effectiveBookingFields)
+        : undefined,
       bookingLimits: bookingLimitsCount ? this.transformInputIntervalLimits(bookingLimitsCount) : undefined,
       durationLimits: bookingLimitsDuration
         ? this.transformInputIntervalLimits(bookingLimitsDuration)
@@ -206,6 +222,27 @@ export class InputEventTypesService_2024_06_14 {
     return eventType;
   }
 
+  getBookingFieldsWithGuestsToggled(
+    bookingFields: InputBookingField_2024_06_14[] | undefined,
+    hideGuests: boolean
+  ) {
+    const toggledGuestsBookingField: InputBookingField_2024_06_14 = { slug: "guests", hidden: hideGuests };
+    if (!bookingFields) {
+      return [toggledGuestsBookingField];
+    }
+
+    const bookingFieldsCopy = [...bookingFields];
+
+    const guestsBookingField = bookingFieldsCopy.find((field) => "slug" in field && field.slug === "guests");
+    if (guestsBookingField) {
+      Object.assign(guestsBookingField, { hidden: hideGuests });
+      return bookingFieldsCopy;
+    }
+
+    bookingFieldsCopy.push(toggledGuestsBookingField);
+    return bookingFieldsCopy;
+  }
+
   transformInputLocations(inputLocations: CreateEventTypeInput_2024_06_14["locations"]) {
     return transformLocationsApiToInternal(inputLocations);
   }