how can i send data json with patch request and wich methode to connect to API? private baseUrlRemoveNotifications: string = "api/v1.0/UploadDownload/removeNotifications"; public removeNotificationForUser(onlineUserModel: OnlineUserModel) { let username = onlineUserModel.userName; const url = `${this.baseUrlRemoveNotifications}`; const options = { headers: new HttpHeaders({ "Content-Type": "application/json", }), }; return this.http.patch( `${this.baseUrlRemoveNotifications}`, username, options ); } >Solution : You can… Read More How can I make Patch request in Angular 12?