diff --git a/src/api/controllers/chat.controller.ts b/src/api/controllers/chat.controller.ts
index a1f289cf2b..05e3fa0e3b 100644
--- a/src/api/controllers/chat.controller.ts
+++ b/src/api/controllers/chat.controller.ts
@@ -4,6 +4,7 @@ import {
   DecryptPollVoteDto,
   DeleteMessage,
   getBase64FromMediaMessageDto,
+  LimitSharingDto,
   MarkChatUnreadDto,
   MarkMessageAsPlayedDto,
   NumberDto,
@@ -44,6 +45,10 @@ export class ChatController {
     return await this.waMonitor.waInstances[instanceName].markChatUnread(data);
   }
 
+  public async updateLimitSharing({ instanceName }: InstanceDto, data: LimitSharingDto) {
+    return await this.waMonitor.waInstances[instanceName].updateLimitSharing(data);
+  }
+
   public async deleteMessage({ instanceName }: InstanceDto, data: DeleteMessage) {
     return await this.waMonitor.waInstances[instanceName].deleteMessage(data);
   }
diff --git a/src/api/dto/chat.dto.ts b/src/api/dto/chat.dto.ts
index 9c6be9f4c9..7552efde9e 100644
--- a/src/api/dto/chat.dto.ts
+++ b/src/api/dto/chat.dto.ts
@@ -90,6 +90,15 @@ export class MarkChatUnreadDto {
   chat?: string;
 }
 
+/** Request to update WhatsApp Advanced Chat Privacy for a chat or group. */
+export class LimitSharingDto {
+  /** Required, non-empty chat identifier; normalized to a WhatsApp JID before sending. */
+  chat: string;
+
+  /** Required boolean: true enables limit sharing; false disables it. */
+  limitSharing: boolean;
+}
+
 export class PrivacySettingDto {
   readreceipts: WAReadReceiptsValue;
   profile: WAPrivacyValue;
diff --git a/src/api/integrations/channel/whatsapp/whatsapp.baileys.service.ts b/src/api/integrations/channel/whatsapp/whatsapp.baileys.service.ts
index 22839fd451..83a3ba7418 100644
--- a/src/api/integrations/channel/whatsapp/whatsapp.baileys.service.ts
+++ b/src/api/integrations/channel/whatsapp/whatsapp.baileys.service.ts
@@ -6,6 +6,7 @@ import {
   DeleteMessage,
   getBase64FromMediaMessageDto,
   LastMessage,
+  LimitSharingDto,
   MarkChatUnreadDto,
   MarkMessageAsPlayedDto,
   NumberBusiness,
@@ -4263,6 +4264,25 @@ export class BaileysStartupService extends ChannelStartupService {
     }
   }
 
+  public async updateLimitSharing(data: LimitSharingDto) {
+    try {
+      const remoteJid = createJid(data.chat);
+      const response = await this.client.sendMessage(remoteJid, { limitSharing: data.limitSharing });
+
+      return {
+        chatId: remoteJid,
+        limitSharing: data.limitSharing,
+        message: response,
+      };
+    } catch (error) {
+      this.logger.error(error);
+      throw new InternalServerErrorException({
+        limitSharing: false,
+        message: ['Ocorreu um erro ao atualizar a privacidade avançada da conversa.'],
+      });
+    }
+  }
+
   public async deleteMessage(del: DeleteMessage) {
     try {
       const response = await this.client.sendMessage(del.remoteJid, { delete: del });
diff --git a/src/api/routes/chat.router.ts b/src/api/routes/chat.router.ts
index 86f4d65bee..f3ec5a89e2 100644
--- a/src/api/routes/chat.router.ts
+++ b/src/api/routes/chat.router.ts
@@ -5,6 +5,7 @@ import {
   DecryptPollVoteDto,
   DeleteMessage,
   getBase64FromMediaMessageDto,
+  LimitSharingDto,
   MarkChatUnreadDto,
   MarkMessageAsPlayedDto,
   NumberDto,
@@ -28,6 +29,7 @@ import {
   decryptPollVoteSchema,
   deleteMessageSchema,
   fetchLidSchema,
+  limitSharingSchema,
   markChatUnreadSchema,
   markMessageAsPlayedSchema,
   messageUpSchema,
@@ -105,6 +107,27 @@ export class ChatRouter extends RouterBroker {
 
         return res.status(HttpStatus.CREATED).json(response);
       })
+      /**
+       * @route POST /chat/updateLimitSharing/:instanceName
+       * @description Enable or disable WhatsApp Advanced Chat Privacy for a chat or group.
+       * @param {string} instanceName - Name of the WhatsApp instance.
+       * @body {LimitSharingDto} data - Non-empty chat identifier and required boolean limitSharing toggle.
+       * @returns {201} Chat ID, requested limitSharing state, and the Baileys message response.
+       * @throws {400} Invalid request body.
+       * @throws {401} Unauthorized request.
+       * @throws {404} Instance not found.
+       * @throws {500} Failed to update advanced chat privacy.
+       */
+      .post(this.routerPath('updateLimitSharing'), ...guards, async (req, res) => {
+        const response = await this.dataValidate<LimitSharingDto>({
+          request: req,
+          schema: limitSharingSchema,
+          ClassRef: LimitSharingDto,
+          execute: (instance, data) => chatController.updateLimitSharing(instance, data),
+        });
+
+        return res.status(HttpStatus.CREATED).json(response);
+      })
       .delete(this.routerPath('deleteMessageForEveryone'), ...guards, async (req, res) => {
         const response = await this.dataValidate<DeleteMessage>({
           request: req,
diff --git a/src/validate/chat.schema.ts b/src/validate/chat.schema.ts
index 6677b652fd..75dd8e6d31 100644
--- a/src/validate/chat.schema.ts
+++ b/src/validate/chat.schema.ts
@@ -140,6 +140,17 @@ export const markChatUnreadSchema: JSONSchema7 = {
   required: ['lastMessage'],
 };
 
+export const limitSharingSchema: JSONSchema7 = {
+  $id: v4(),
+  type: 'object',
+  properties: {
+    chat: { type: 'string' },
+    limitSharing: { type: 'boolean', enum: [true, false] },
+  },
+  required: ['chat', 'limitSharing'],
+  ...isNotEmpty('chat'),
+};
+
 export const deleteMessageSchema: JSONSchema7 = {
   $id: v4(),
   type: 'object',