Please contact the embassy/consulate in your country directly to check the visa application requirements.
An electronic visa (E-visa) is one of visa types issued to foreigners by Vietnamese Immigration Department via electronic system. Vietnam E-visa is valid for maximum of 30 days, single entry. Outside Vietnam foreigners who want to enter Vietnam can personally apply for E-visa or through the inviting/guaranteeing agencies and organizations.
For more details: https://evisa.xuatnhapcanh.gov.vn/web/guest/trang-chu-ttdt