diff --git a/src/api/chatting.controller.ts b/src/api/chatting.controller.ts
index f8e825d6..343d8565 100644
--- a/src/api/chatting.controller.ts
+++ b/src/api/chatting.controller.ts
@@ -296,6 +296,7 @@ export class ChattingController {
     description: 'You can use it as buttons or list replacement',
   })
   @CheckPolicies(CanSession(Action.Send, FromBody('session')))
+  @UsePipes(new WAHAValidationPipe())
   async sendPoll(@Body() request: MessagePollRequest) {
     const whatsapp = await this.manager.getWorkingSession(request.session);
     return whatsapp.sendPoll(request);
diff --git a/src/nestjs/validation/TrimString.ts b/src/nestjs/validation/TrimString.ts
new file mode 100644
index 00000000..5987562f
--- /dev/null
+++ b/src/nestjs/validation/TrimString.ts
@@ -0,0 +1,23 @@
+/**
+ * Trim string, leave other values as is
+ * @param value
+ * @constructor
+ */
+export function TrimString({ value }: { value: any }) {
+  if (typeof value === 'string') {
+    return value.trim();
+  }
+  return value;
+}
+
+/**
+ * Trim every string in the array, leave other values as is
+ * @param value
+ * @constructor
+ */
+export function TrimStrings({ value }: { value: any }) {
+  if (Array.isArray(value)) {
+    return value.map((item) => TrimString({ value: item }));
+  }
+  return value;
+}
diff --git a/src/structures/chatting.dto.ts b/src/structures/chatting.dto.ts
index b94844a1..f31f1995 100644
--- a/src/structures/chatting.dto.ts
+++ b/src/structures/chatting.dto.ts
@@ -5,9 +5,13 @@ import {
   getSchemaPath,
 } from '@nestjs/swagger';
 import { IsFileType } from '@waha/nestjs/validation/IsFileType';
+import { TrimString, TrimStrings } from '@waha/nestjs/validation/TrimString';
 import { GetChatMessagesQuery } from '@waha/structures/chats.dto';
 import { plainToInstance, Transform, Type } from 'class-transformer';
 import {
+  ArrayMaxSize,
+  ArrayMinSize,
+  ArrayUnique,
   IsArray,
   IsBoolean,
   IsNotEmpty,
@@ -15,6 +19,7 @@ import {
   IsOptional,
   IsString,
   IsUrl,
+  MaxLength,
   ValidateNested,
 } from 'class-validator';
 
@@ -441,20 +446,38 @@ export class MessagePoll {
   @ApiProperty({
     example: 'How are you?',
   })
+  @Transform(TrimString)
+  @IsString()
+  @IsNotEmpty()
+  @MaxLength(255)
   name: string;
 
   @ApiProperty({
     example: ['Awesome!', 'Good!', 'Not bad!'],
   })
+  @Transform(TrimStrings)
+  @IsArray()
+  @ArrayMinSize(2)
+  @ArrayMaxSize(12)
+  @ArrayUnique()
+  @IsString({ each: true })
+  @IsNotEmpty({ each: true })
+  @MaxLength(100, { each: true })
   options: string[];
 
+  @IsOptional()
+  @IsBoolean()
   multipleAnswers = false;
 }
 
 export class MessagePollRequest extends ChatRequest {
   @GeneratedMessageIdProperty()
+  @IsOptional()
+  @IsString()
   id?: string;
 
+  @ValidateNested()
+  @Type(() => MessagePoll)
   poll: MessagePoll;
 
   @ApiProperty({
@@ -462,6 +485,8 @@ export class MessagePollRequest extends ChatRequest {
       'The ID of the message to reply to - false_11111111111@c.us_AAAAAAAAAAAAAAAAAAAA',
     example: null,
   })
+  @IsOptional()
+  @IsString()
   reply_to?: string;
 }