Vietnam e-visa provides for foreign travelers and is issued by the Vietnamese immigration department for only one person's validity maximum of 30 days. If you are interested in tourism then apply for a Vietnam visa. Make the necessary payment for the Vietnam visa. Visa Approval Letter for Vietnam Visa on Arrival Welcomes to the online application center website of the Vietnam e-Visa. Tour and traveling made it easy by immigration department of Vietnam. Online Visa service to more than 190 nationalities can provide a Vietnam visa. You need to apply online, get your approved letter for a obtain Vietnam visa. The online application form is complete after then copies of your Visa Approval Letter will be sent to Vietnam Immigration checkpoints.