Get all contacts, requires a takeout session, see here » for more info.
 Method schema is available as of layer 81. Switch »
This constructor does not require any parameters.
| Code | Type | Description | 
|---|---|---|
| 400 | TAKEOUT_INVALID | The specified takeout ID is invalid. | 
| 403 | TAKEOUT_REQUIRED | A takeout session needs to be initialized first, see here » for more info. | 
Telegram's API allows users to export all of their information through the takeout API.