This is a legitimate process and your visa is issued by the Vietnam Immigration Department. There are many online tourism businesses where you can apply online for your visa. As indicated in the Ordinance on Entry, Exit and Residence of Foreigners in Vietnam (No. 24/2000/PL- UBTVQH 10 of April 28,2000), Chapter III, Article 6, foreigners are granted entry at International Border gate point under the following conditions:
- They enter for funerals of their relatives, for visits to their seriously ill relatives;
- They depart from countries where Vietnamese diplomatic missions and/or Consulates are not available.
- They enter for visit under programs organized by international tour enterprises of Vietnam;
- They enter to provide urgent technical support for programs, projects, to give first- aid to seriously ill person, accident victims, to provide rescue for victims of natural disasters and epidemics in Vietnam.
- For other urgent reasons.
Except for condition 3, in which customers will have to deal with a travel agency who will forward the applications over to the immigration office, the rest of conditions need to be verified and pre-approved by Vietnamese embassies and consulates abroad.