diff --git a/apps/api/src/app/activities/activities.controller.ts b/apps/api/src/app/activities/activities.controller.ts
index 589ae48a2c..bd3510fde3 100644
--- a/apps/api/src/app/activities/activities.controller.ts
+++ b/apps/api/src/app/activities/activities.controller.ts
@@ -18,7 +18,7 @@ import {
   ActivityResponse
 } from '@ghostfolio/common/interfaces';
 import { permissions } from '@ghostfolio/common/permissions';
-import type { DateRange, RequestWithUser } from '@ghostfolio/common/types';
+import type { RequestWithUser } from '@ghostfolio/common/types';
 
 import {
   Body,
@@ -29,7 +29,6 @@ import {
   HttpException,
   Inject,
   Param,
-  ParseIntPipe,
   Post,
   Put,
   Query,
@@ -38,11 +37,13 @@ import {
 } from '@nestjs/common';
 import { REQUEST } from '@nestjs/core';
 import { AuthGuard } from '@nestjs/passport';
-import { Order, Prisma, Type as ActivityType } from '@prisma/client';
+import { Order } from '@prisma/client';
 import { parseISO } from 'date-fns';
 import { StatusCodes, getReasonPhrase } from 'http-status-codes';
 
 import { ActivitiesService } from './activities.service';
+import { DeleteActivitiesDto } from './delete-activities.dto';
+import { GetActivitiesDto } from './get-activities.dto';
 
 @Controller('activities')
 export class ActivitiesController {
@@ -60,36 +61,30 @@ export class ActivitiesController {
   @UseGuards(AuthGuard('jwt'), HasPermissionGuard)
   @UseInterceptors(TransformDataSourceInRequestInterceptor)
   public async deleteActivities(
-    @Query('accounts') filterByAccounts?: string,
-    @Query('activityTypes') filterByTypes?: string,
-    @Query('assetClasses') filterByAssetClasses?: string,
-    @Query('dataSource') filterByDataSource?: string,
-    @Query('range') dateRange?: DateRange,
-    @Query('symbol') filterBySymbol?: string,
-    @Query('tags') filterByTags?: string
+    @Query() query: DeleteActivitiesDto
   ): Promise<number> {
     let endDate: Date;
     let startDate: Date;
 
-    if (dateRange) {
-      ({ endDate, startDate } = getIntervalFromDateRange({ dateRange }));
+    if (query.range) {
+      ({ endDate, startDate } = getIntervalFromDateRange({
+        dateRange: query.range
+      }));
     }
 
     const filters = this.apiService.buildFiltersFromQueryParams({
-      filterByAccounts,
-      filterByAssetClasses,
-      filterByDataSource,
-      filterBySymbol,
-      filterByTags
+      filterByAccounts: query.accounts,
+      filterByAssetClasses: query.assetClasses,
+      filterByDataSource: query.dataSource,
+      filterBySymbol: query.symbol,
+      filterByTags: query.tags
     });
 
-    const types = this.parseActivityTypes(filterByTypes);
-
     return this.activitiesService.deleteActivities({
       endDate,
       filters,
       startDate,
-      types,
+      types: query.activityTypes,
       userId: this.request.user.id
     });
   }
@@ -122,51 +117,41 @@ export class ActivitiesController {
   @UseInterceptors(TransformDataSourceInResponseInterceptor)
   public async getAllActivities(
     @Headers(HEADER_KEY_IMPERSONATION.toLowerCase()) impersonationId: string,
-    @Query('accounts') filterByAccounts?: string,
-    @Query('activityTypes') filterByTypes?: string,
-    @Query('assetClasses') filterByAssetClasses?: string,
-    @Query('dataSource') filterByDataSource?: string,
-    @Query('range') dateRange?: DateRange,
-    @Query('skip', new ParseIntPipe({ optional: true })) skip?: number,
-    @Query('sortColumn') sortColumn?: string,
-    @Query('sortDirection') sortDirection?: Prisma.SortOrder,
-    @Query('symbol') filterBySymbol?: string,
-    @Query('tags') filterByTags?: string,
-    @Query('take', new ParseIntPipe({ optional: true })) take?: number
+    @Query() query: GetActivitiesDto
   ): Promise<ActivitiesResponse> {
     let endDate: Date;
     let startDate: Date;
 
-    if (dateRange) {
-      ({ endDate, startDate } = getIntervalFromDateRange({ dateRange }));
+    if (query.range) {
+      ({ endDate, startDate } = getIntervalFromDateRange({
+        dateRange: query.range
+      }));
     }
 
     const filters = this.apiService.buildFiltersFromQueryParams({
-      filterByAccounts,
-      filterByAssetClasses,
-      filterByDataSource,
-      filterBySymbol,
-      filterByTags
+      filterByAccounts: query.accounts,
+      filterByAssetClasses: query.assetClasses,
+      filterByDataSource: query.dataSource,
+      filterBySymbol: query.symbol,
+      filterByTags: query.tags
     });
 
     const impersonationUserId =
       await this.impersonationService.validateImpersonationId(impersonationId);
 
-    const types = this.parseActivityTypes(filterByTypes);
-
     const userCurrency = this.request.user.settings.settings.baseCurrency;
 
     const { activities, count } = await this.activitiesService.getActivities({
       endDate,
       filters,
-      skip,
-      sortColumn,
-      sortDirection,
       startDate,
-      take,
-      types,
       userCurrency,
       includeDrafts: true,
+      skip: query.skip,
+      sortColumn: query.sortColumn,
+      sortDirection: query.sortDirection,
+      take: query.take,
+      types: query.activityTypes,
       userId: impersonationUserId || this.request.user.id,
       withExcludedAccountsAndActivities: true
     });
@@ -360,28 +345,4 @@ export class ActivitiesController {
       }
     });
   }
-
-  private parseActivityTypes(filterByTypes?: string): ActivityType[] {
-    if (!filterByTypes) {
-      return [];
-    }
-
-    const types = filterByTypes.split(',');
-
-    const invalidTypes = types.filter((type) => {
-      return !Object.values(ActivityType).includes(type as ActivityType);
-    });
-
-    if (invalidTypes.length > 0) {
-      throw new HttpException(
-        {
-          error: getReasonPhrase(StatusCodes.BAD_REQUEST),
-          message: [`Invalid activity type: ${invalidTypes.join(', ')}`]
-        },
-        StatusCodes.BAD_REQUEST
-      );
-    }
-
-    return types as ActivityType[];
-  }
 }
diff --git a/apps/api/src/app/activities/delete-activities.dto.ts b/apps/api/src/app/activities/delete-activities.dto.ts
new file mode 100644
index 0000000000..7a4f79bfc0
--- /dev/null
+++ b/apps/api/src/app/activities/delete-activities.dto.ts
@@ -0,0 +1,39 @@
+import { DateRange } from '@ghostfolio/common/types';
+
+import { Type as ActivityType } from '@prisma/client';
+import { Transform, TransformFnParams } from 'class-transformer';
+import { IsEnum, IsOptional, IsString } from 'class-validator';
+import { isString } from 'lodash';
+
+export class DeleteActivitiesDto {
+  @IsOptional()
+  @IsString()
+  accounts?: string;
+
+  @IsEnum(ActivityType, { each: true })
+  @IsOptional()
+  @Transform(({ value }: TransformFnParams) => {
+    return isString(value) ? value.split(',') : value;
+  })
+  activityTypes?: ActivityType[];
+
+  @IsOptional()
+  @IsString()
+  assetClasses?: string;
+
+  @IsOptional()
+  @IsString()
+  dataSource?: string;
+
+  @IsOptional()
+  @IsString()
+  range?: DateRange;
+
+  @IsOptional()
+  @IsString()
+  symbol?: string;
+
+  @IsOptional()
+  @IsString()
+  tags?: string;
+}
diff --git a/apps/api/src/app/activities/get-activities.dto.ts b/apps/api/src/app/activities/get-activities.dto.ts
new file mode 100644
index 0000000000..65106ff853
--- /dev/null
+++ b/apps/api/src/app/activities/get-activities.dto.ts
@@ -0,0 +1,27 @@
+import { Prisma } from '@prisma/client';
+import { Type } from 'class-transformer';
+import { IsIn, IsInt, IsOptional, IsString, Min } from 'class-validator';
+
+import { DeleteActivitiesDto } from './delete-activities.dto';
+
+export class GetActivitiesDto extends DeleteActivitiesDto {
+  @IsInt()
+  @IsOptional()
+  @Min(0)
+  @Type(() => Number)
+  skip?: number;
+
+  @IsOptional()
+  @IsString()
+  sortColumn?: string;
+
+  @IsIn(['asc', 'desc'] as Prisma.SortOrder[])
+  @IsOptional()
+  sortDirection?: Prisma.SortOrder;
+
+  @IsInt()
+  @IsOptional()
+  @Min(0)
+  @Type(() => Number)
+  take?: number;
+}