An e-petition (online petition or internet petition) is one of the most popular ways for civil society to interact with public authorities. It is no accident that the number of countries implementing this e-democracy tool is increasing. The institution of electronic petition has its own peculiarities in each country where it has been introduced: different forms, subjects, filing procedures and legal consequences. The common feature is that the e-petition is an independent form of direct democracy through which citizens participate in the management of public affairs. The article investigates the place of e-petitions in the system of direct democracy forms, analyzes practices of using the institution of electronic petitions, shows the establishment of the institution of e-petitions in Ukraine, reveals the concepts and features of online petitions, and highlights the problems of implementing the right to electronic petition in Ukraine.