A Vietnam evisa is a completely online process. If You want to travel to Vietnam for getting an e-visa for Vietnam then you required a valid visa.
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The Online Application process for a Vietnam visa is completely online. As long as you have a valid passport and credit card, you can apply for and receive your eVisa in as little as possible.
If you are required a normal evisa for Vietnam visa for traveling you should submit all the required documents. After submitting all the required fields. You will receive you within 2working days.
If you are required an urgent visa After submitting all the required fields You will receive your e visa within 1 working day.
If you are in an emergency and you required your visa within 4 to 5 working hours in this case you have another option of the Super Urgent visa.

Visit: https://vietnammyvisa.org/