Both, the Visit Visa is also called Visa on Arrival (or VoA). 

Since Indonesia implemented an option to get the Visa online, it is (was) also called e-VoA. 

90+ nationalities can now get a 30days Visit Visa. 

When applying online you must select the type of "Visa on Arrival" based on your travel purpose:

Most travelers to Bali who can get a Visit Visa will have to apply for the B1.

B1 - Tourist Purpose

• Conducting activities related to tourism, and visiting friends or family.
• Participate in meetings, incentives, conventions, and exhibitions as an attendee.
• Traveling in Indonesia on a yacht (yachter). 

B2 - Business Purpose

• Carry out activities related to business, meetings, or purchase of goods including but not limited to checking goods at the office, factory, or production site of goods.
• Discuss, negotiate, and/or sign business contracts.
• Conducting activities related to tourism, and visiting friends or family.

B3 - Medical Vist

• conducting activities related to medical treatment.
• Conducting activities related to tourism, and visiting friends or family.

B4 - Government related

• Conducting activities related to Government Business.
• Conducting activities related to tourism, and visiting friends or family.

This is how you can apply for the Indonesia Tourist Visa / Visa on Arrival:

1. Electronic Visa on Arrival (e-VoA - B1, B2, B3, B4)

You can apply and purchase the Visa already online and avoid queuing at VoA counters at the airport which will save you time and is much more convenient.

You can apply for e-VOA 14 days before your travel. However, you are advised to create an e-VOA request at least 48 hours before your departure, otherwise you might not receive it in time. The Visa is not issued instantly!

Make sure you check your Spamfolder when you expect to receive emails. ONLY follow the official link below and get your Visa from the immigration website. There are plenty of scammers out there.

2. At the Airport / Harbour upon arrival in Indonesia

If you do not purchase the e-VoA before you arrive in Indonesia online, you can still purchase the Visa at the VoA counters at international airports in the arrival halls (or at harbours, if you arrive by boat or cruise ship). Expect long queues at times.

The documents needed for your Visa applications are:

When you Purchase upon Arrival at the airport or harbour

• Passport valid for at least 6 months on date of arrival (no exceptions!)
• Return ticket (or outbound of Indonesia)
• Cash or Credit Card

When you purchase the Visa online BEFORE arrival:

a. Full biodata page of passport with at least 6 months validity from the date of your arrival to Indonesia;
b. Passport size photograph;
c. Email address;
d. A valid Mastercard, Visa, or JCB credit card.
e. Residence information in Bali / Indonesia (hotel etc)
f. Return or outbound Ticket

Yes, you do need a return ticket, that matches the validity of your Visa.

It can happen that they might not ask to show the return ticket.

It might also happen, that the immigration officers will ask you. And if you don't have a return ticket, they will make you purchase one right and won't let you enter Indonesia with out a return ticket (or a ticket that takes you outside of Indonesia).

YES - regardless of their age. Also infants.

The Visit Visa (VoA) is valid for 30 days initially.

The Visa can be extended ONLY ONCE for another 30 days.

So after 60 days you MUST leave the country. You can not apply for another Visa while you are in Indonesia.. 

Note: Day of arrival and day of departure count as FULL days each.

There are two ways to extend the Visa on Arrival: 

1. ONLINE: If you purchased the Visa ONLINE, you can also extend the visa ONLINE but on the immigration website where you got the visa in the first place (Imigrasi). For that you need the login to the account that you created when you applied for the Visa.

2. OFFLINE: If you purchased the Visa in person upon arrival and not pnline you need to apply for a 30days extension in person at an immigration office. We strongly suggest you work with a Visa Agent to get this done.

Details of the Process, Visa Agent Application and agent price for extension

If you got the Visa online but somehow don't manage to get an extension online (technical issues), then you can also get an extension offline of course. 

The cost is IDR 500,000 (ca. USD 35 / AUD 50) per person

Payment

• Online Purchase (e-VoA) per credit card on the (extra fees might apply) OFFICIAL immigration website
• Purchase at the airport arrival hall (or harbour) and pay at the VoA counter in cash (EUR, GBP, AUD, USD, SGD, IDR) or by credit card (no AMEX)

No.

Visas are based on your PASSPORT & NATIONALITY. Residency permits of other countries are NOT considered. 

If you don't have a passport but a Titre de Voyage, Refugee Travel Document or similar travel documents, you would need to apply for a B211A Visa. Information and Application 

Unfortunately there is nothing we can do. 

The entire online application service for the Visa on Arrival for Bali is handled 100% by the immigration department. If you run into problems, this is what they said on their website:

"Kindly inform the e-VOA Support Desk (livechat at www.imigrasi.go.id or sending email to visa@imigrasi.go.id or humas@imigrasi.go.id) should you encounter any suspended or unsuccessful transactions during the request procedure."

Sometimes confirmation emails land in your spam folder, that's the first thing you should check.

Their website seems to be changing rather frequently, and sometimes some features seem to not work on all browsers equally well. What we noticed is, that if you tried to extend a visa and the process failed, it seems you have to then wait one more day to see the extension option again. 

Worse case, if the application fails, you can still get the Visa upon arrival in the arrival hall of the airport (Visa on Arrival).

No, you cannot enter multiple times into Indonesia with this Visa.

The Visa on Arrival is only a SINGLE ENTRY VISA. If you leave Indonesia and want to come back, you need to apply for a new Visit Visa.

Officials have now installed new digital Entry Gates to get through the immigration in Bali. There are still counters with Immigration Officers in the arrival hall. But with your e-Visa you can get through the immigration using the electronic gates (if they are working and the officials will not guide you towards the counters with immigration officers.

At the electronic gates, you will scan your passport and once you are through you will receive per email an e-KTE, your Visa Stay Permit. It's a PDF that acknowledges your arrival. 

Because you will not get a stamp in your passport anymore if you use the e-Gate the system will register your arrival electronically. 

If you purchased your Visa upon Arrival (not online) you will can not use the electronic gates and must go to a counter with an immigration officer.

No.

YOU CANNOT GET ANOTHER VISA AFTER YOU HAVE EXTENDED the visa on arrival ONCE (max. 60 days in total), while you are in Indonesia. You would have to leave the country and come pack.

If you want to stay longer than 60 days, you have to get a B211A OFFSHORE Visit Visa (60days) before your arrival first, which is valid for 60 days and which can be extended twice, each extension is valid for another 60 days (total max. 180 days, before you have to leave the country).

B211A Visa Application Service

If you overstay your visa, you have  to pay a fine of IDR 1,000,000 per day. If you overstayed substantially you might be detained, deported, or banned from coming back to Indonesia for a specific period.

There are several travel regulations you must be aware of which you can find here: Bali Entry Regulations

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Note: If you intend to rent a scooter or motorbike you will need to bring your local driving license AND and international driving license. The traffic police has made several statements lately that they will control more often and will issue fines. 

If you don't have an international license you can get one here: International Driving License accepted by the Indonesian authorities