Burundi Visa on arrival policy
Passengers with a diplomatic passport can obtain a visa on arrival for a maximum stay of 30 days.
Passengers with an Entry Authorisation letter issued by the authorities of Burundi before departure can obtain a visa on arrival for a maximum stay of 1 month.
Nationals of Comoros, Congo DR, Djibouti, Egypt, Eritrea, Eswatini, Ethiopia, Kenya, Libya, Madagascar, Malawi, Mauritius, Rwanda, Seychelles, Sudan, Uganda, Zambia and Zimbabwe with a passport issued by COMESA can obtain a visa on arrival. They must be traveling on duty.
Burundi Transit Visa policy
Passengers with a confirmed onward ticket for a flight to a third country. They must stay in the international transit area of the airport and have documents required for the next destination.
The Burundi Visa exemption
Citizens of the following 6 countries can visit Burundi without a visa for up to 3 months:

Also for Economic Community of the Great Lakes Countries laissez-passer holders.
Holders of diplomatic passports of Turkey and diplomatic and service category passports of Brazil, China and Russia do not require a visa. Holders of passports for public affairs of China do not require a visa.A visa waiver memorandum was signed with the United Arab Emirates in January 2019 but it is not yet in force