diff --git a/apps/api/v2/src/ee/bookings/2024-04-15/controllers/bookings.controller.ts b/apps/api/v2/src/ee/bookings/2024-04-15/controllers/bookings.controller.ts
index 9a76e59c70..cbae0a5b7c 100644
--- a/apps/api/v2/src/ee/bookings/2024-04-15/controllers/bookings.controller.ts
+++ b/apps/api/v2/src/ee/bookings/2024-04-15/controllers/bookings.controller.ts
@@ -29,6 +29,7 @@ import {
   Query,
   NotFoundException,
   UseGuards,
+  BadRequestException,
 } from "@nestjs/common";
 import { ConfigService } from "@nestjs/config";
 import { ApiQuery, ApiExcludeController as DocsExcludeController } from "@nestjs/swagger";
@@ -189,18 +190,24 @@ export class BookingsController_2024_04_15 {
     throw new InternalServerErrorException("Could not create booking.");
   }
 
-  @Post("/:bookingId/cancel")
+  @Post("/:bookingUid/cancel")
   async cancelBooking(
     @Req() req: BookingRequest,
-    @Param("bookingId") bookingId: string,
+    @Param("bookingUid") bookingUid: string,
     @Body() _: CancelBookingInput_2024_04_15,
     @Headers(X_CAL_CLIENT_ID) clientId?: string,
     @Headers(X_CAL_PLATFORM_EMBED) isEmbed?: string
   ): Promise<ApiResponse<{ bookingId: number; bookingUid: string; onlyRemovedAttendee: boolean }>> {
     const oAuthClientId = clientId?.toString();
-    if (bookingId) {
+    const isUidNumber = !isNaN(Number(bookingUid));
+
+    if (isUidNumber) {
+      throw new BadRequestException("Please provide booking uid instead of booking id.");
+    }
+
+    if (bookingUid) {
       try {
-        req.body.id = parseInt(bookingId);
+        req.body.uid = bookingUid;
         const res = await handleCancelBooking(
           await this.createNextApiBookingRequest(req, oAuthClientId, undefined, isEmbed)
         );
diff --git a/packages/platform/atoms/hooks/bookings/useCancelBooking.ts b/packages/platform/atoms/hooks/bookings/useCancelBooking.ts
index 9370e1eed6..b765ec0534 100644
--- a/packages/platform/atoms/hooks/bookings/useCancelBooking.ts
+++ b/packages/platform/atoms/hooks/bookings/useCancelBooking.ts
@@ -26,7 +26,7 @@ export const useCancelBooking = (
 ) => {
   const cancelBooking = useMutation<ApiResponse, Error, inputParams>({
     mutationFn: (data) => {
-      return http.post<ApiResponse>(`/bookings/${data.id}/cancel`, data).then((res) => {
+      return http.post<ApiResponse>(`/bookings/${data.uid}/cancel`, data).then((res) => {
         if (res.data.status === SUCCESS_STATUS) {
           return res.data;
         }