Citizens from these countries are eligible to apply for an online e-visa:

Andorra
Austria
Belgium
Brunei – Darussalam
Bulgaria
Canada
Croatia
Cyprus
Czech Republic
Denmark
Estonia
Finland
France
Germany
Greece
Hong Kong
Hungary
Iceland
Ireland
Italy
Japan
Korea, Rep of (South)
Latvia
Liechtenstein
Lithuania
Luxembourg
Malaysia
Malta
Monaco
Netherlands
Norway
Poland
Portugal
Republic of San Marino
Romania
Singapore
Slovakia
Slovenia
Spain
Sweden
Switzerland
United Kingdom
United States
Vatican City (Holy See)