The article considers digital educational services market development on the basis of digital platforms. Research subject: financial market digitalization. Research purpose: to develop theoretical provisions of digital educational services. Research methods. In the course of the research such methods as analysis, grouping, comparison, and synthesis have been used. Results: 1. A specific approach to the categories of “digital educational platform” and “digital educational ecosystem (ecosystem-based higher education)” is proposed. 2. The classification criteria of digital platforms are systematized on various grounds and the “operation scale” criterion was added to the digital educational platforms classification. 3. The current market state is characterized and the latest innovations in the digital educational services are reviewed. 4. Risks of the platform-based and ecosystem-based higher education models development are revealed. Scientific novelty: the authors’ specific approaches to the categories of “digital educational platform” and “digital educational ecosystem (ecosystem-based higher education)” are proposed, digital platforms classification criteria are systematized on various grounds, and the “functioning scale” criterion was added to the digital educational platforms classification.