The main types of U.S. visas include non-immigrant visas for temporary stays, such as tourist and student visas, and immigrant visas for those seeking permanent residency, like family-sponsored and employment-based visas.

To apply for a U.S. visa online, visit the U.S. Department of State’s website, complete the DS-160 form for non-immigrant visas or the DS-260 for immigrant visas, pay the application fee, and schedule an interview at a U.S. embassy or consulate.

Required documents for a visa application typically include a valid passport, a completed visa application form, a passport-sized photo, proof of payment for the visa fee, and supporting documents like financial statements, invitation letters, or proof of enrollment in a U.S. institution.

The processing time for U.S. visas varies based on the type of visa and the applicant’s country of origin. Generally, it can take anywhere from a few days to several weeks, so it’s advisable to apply well in advance of your intended travel date.

Yes, you can expedite your visa application process in certain circumstances. This typically involves paying an additional fee and providing valid reasons for the expedited request, such as urgent travel for medical emergencies or business needs.