What does a wechat token look like, as in can i scan my repo to see if i do not leak anything unwanted to wechat? That said, could one also generate tokens and

What does a wechat token look like, as in can i scan my repo to see if i do not leak anything unwanted to wechat? That said, could one also generate tokens and essentially DDOS the wechat org by having them inform their customers unnecessarily?