You'll need to provide proof that you’ve booked a return flight as well as a passport valid for the next six months and evidence that you can support yourself financially during your stay.
Remember, the short term visa is only for those wishing to stay for three months or less, and for most, this will be issued upon entry into the country. Converting your short-term visa into a long-term one once in Ecuador can be a real hassle, so it’s worth being decisive about your plans to stay before leaving your home country.
If you’re from any of the following countries, you’ll need to apply for a ‘12-X’ tourist visa prior to leaving home: Afghanistan, Bangladesh, Eritrea, Ethiopia, Kenya, Nepal, Nigeria, Pakistan or Somalia.