In order to apply for an F1 visa, you must pay the visa application fee, which is also referred to as the Machine Readable Visa (MRV) fee. Paysolo slotsment of this non-refundable fee is required prior to the appointment for your visa interview. It is crucial to confirm the precise fee that applies to your circumstances in the United States, as the amount varies based on your nationality and the type of visa you are applying for. S.