Start a conversation with a bot using a deep linking parameter
 Method schema is available as of layer 41. Switch ยป
| Name | Type | Description | 
|---|---|---|
| bot | InputUser | The bot | 
| peer | InputPeer | The chat where to start the bot, can be the bot's private chat or a group | 
| random_id | long | Random ID to avoid resending the same message | 
| start_param | string | Deep linking parameter | 
| Code | Type | Description | 
|---|---|---|
| 400 | BOT_INVALID | This is not a valid bot. | 
| 400 | CHAT_ADMIN_REQUIRED | You must be an admin in this chat to do this. | 
| 403 | CHAT_WRITE_FORBIDDEN | You can't write in this chat. | 
| 400 | INPUT_USER_DEACTIVATED | The specified user was deleted. | 
| 400 | MSG_ID_INVALID | Invalid message ID provided. | 
| 400 | PEER_ID_INVALID | The provided peer id is invalid. | 
| 500 | RANDOM_ID_DUPLICATE | You provided a random ID that was already used. | 
| 400 | START_PARAM_EMPTY | The start parameter is empty. | 
| 400 | START_PARAM_INVALID | Start parameter invalid. | 
| 400 | START_PARAM_TOO_LONG | Start parameter is too long. | 
Telegram clients must handle special tg:// and t.me deep links encountered in messages, link entities and in other apps by registering OS handlers.