This study examines the peacekeeping experience of the African Union (AU), which claims to be the main security provider on the African continent. Based on the case study method, the principle of historicism and a chronological approach, the author proposes a classification and a comprehensive analysis of the AU operations, from the first to the current missions. The aim of the research is to provide a balanced characterisation of the AU in conflict resolution by describing both the missions and the external environment in which they have been deployed, and by abstracting from the deliberately negative connotations associated with assessments of the potential of regional security forces. It analyses the dynamics, legal frameworks, characteristics and outcomes of deployed peacekeeping operations, both under the auspices of the AU alone (in Burundi, Comoros, Sudan/Darfur, Somalia) and in cooperation with the UN and the Economic Community of West African States (ECOWAS) (in Darfur, Mali, Central African Republic, CAR). As a result of the study, the author describes the key parameters of established models of African conflict resolution. The experience and practice of the AU - UN interaction show that the AU is ready to quickly respond to emerging crises and to contain bloodshed, often in the absence of peace processes and well before the UN intervention. The current format of interaction between the two organizations demonstrates the readiness of the UN to deploy its own contingents once the “hot” phase of the conflict is over and conditions for political dialogue are formed. However, with the launch of the first and so far only hybrid UN - AU mission (UNAMID) a new model of cooperation is gradually emerging that complements the existing simple “division of labor.” The purely regional format of peacekeeping stems from the potential of regional actors. The African Union, as a continental regional organization, plays a crucial role in maintaining the regional security regime, while sub-regional organizations carry out operational functions on the basis of regional security arrangements. The author assesses the peacekeeping missions carried out and highlights the challenges faced by African peacekeepers in their work.