The Indonesian Government allows foreigners from 86 countries to apply for an e-VOA as a single entry visa that is valid for 30 days stay in Indonesia with the purpose of Tourism, Government Visit, Business Meeting, Goods Purchasing, or Transit only.
The e-VOA validity period is different from the stay period. The validity period for e-VOA is 90 days. If foreigners holding e-VOA come to Indonesia after the 90 days period, they must apply for a new e-VOA, visa on arrival at the airport, or other types of visas.
Foreigners holding e-VOA are allowed to land at Soekarno Hatta Airport, Jakarta and Ngurah Rai Airport, Bali. e-VOA fee is US $35 with an additional fee for every payment via Debit/Credit Card according to the financial institution’s regulation.
Find more info about e-VOA
here.