See: https://core.telegram.org/bots/api#sendcontact

async def sendContact(self, chat_id, phone_number, first_name,
                          last_name=None,
                          vcard=None,
                          disable_notification=None,
                          reply_to_message_id=None,
                          reply_markup=None):
        """ See: https://core.telegram.org/bots/api#sendcontact """
        p = _strip(locals())
        return await self._api_request('sendContact', _rectify(p))