Seven days. By consulting the official customer service of WeChat, it shows that the feedback time promised by WeChat varies according to the auditing ability of the system and manual and the actual complaint content, and the processing result will be received within 7 days at the latest. Wechat is a free application launched by Tencent on 2011121,which provides instant messaging service for intelligent terminals. It was created by the product team of Tencent Guangzhou R&D Center led by Zhang Xiaolong.