Any person who has a valid passport can apply for a Visa.
If you need a visa, you should apply for it at least 1–2 months before your planned departure date.
For travel to Mali, you must obtain a tourist visa, which is available at the embassy. There are Malian embassies in a surprising number of global capitals, including those in Europe, the United States, and Canada.
The citizens of Kenya are eligible to get visa on arrival service.