You can now apply for an Online Visa to visit the United Republic of Tanzania (both Tanzania Mainland and Zanzibar). https://eservices.immigration.go.tz/visa/  You are required to fill in the online form, make payment, and submit your application online. Your form will be internally reviewed and processed. Applicants will be notified through their e-mails whether their applications have been accepted or rejected. They may also TRACK their application statuses through the online system. Applicants may as well be required to visit the nearest Tanzanian Embassies or Consular Offices for interviews.