Documents Required for Panama visa

Passport (current and prior) in original form, with at least six months of validity left and at least three blank pages.
Two recent, full-colour portrait (per the Photo Specification);
With a round-trip ticket in hand
Lodging documentation (hotel reservation or letter of invitation if visiting a family or friend)
Regular Activities
Have access to adequate funds (cash, debit/credit card, etc.) to last the duration of the trip
Any relevant invitation letters and paperwork (for business travelers)