To apply for a short-term Portuguese Visa, you need to give some important papers to the Portugal embassy or consulate in your home country. These papers are:

1. Fill out a special form with all your information, print it, and sign it.
2. Get two photos that look the same and follow the rules for visa photos.
3. Use a valid passport that has at least two empty pages for the visa. It should not be older than 10 years and should be valid for at least three months after you plan to leave Portugal and the Schengen area.
4. If you had visas from other countries before, make copies of them.
5. Show a document that proves you have a round-trip flight booked to enter and leave Portugal. It should have all the details like flight numbers and dates.
6. Prove where you’ll stay in Portugal, like having a hotel reservation.
7. Show that you have enough money for your time in Portugal.
8. Write a letter explaining why you want to visit Portugal, how long you’ll stay, and when you’ll leave, and other details.
9. Show proof of your civil status, like a marriage certificate or your kids’ birth certificates.
10. Make sure you have travel insurance for Portugal and the whole Schengen area with at least €30,000 coverage for medical emergencies.