The article analyses the communicative features of the institutional discourse of digital diplomacy of the US State Department. Institutional discourse is a type communication in social institutions [1]. This is a specialized clichéd type of communication between people who may not know each other personally, but they should communicate in compliance with the norms of the given sphere of interaction [2]. Institutional discourse is contrasting with everyday informal communication, and is considered as a multifaceted phenomenon [3]. The article offers a list of relevant analysis parameters of various genres of digital diplomacy discourse.