There are different Sao Tome And Principe visa types: tourist visa to Sao Tome And Principe, business visa to Sao Tome And Principe, etc. For each type you need to provide a specific set of documents. The processing times may differ as well. Please check the requirements, processing times, download Sao Tome And Principe application form here and apply accordingly: https://sao-tome-and-principe.visacenter.ca/