All facets of life, including foreign relationships, have been influenced by the Internet revolution. This revolution has also transformed diplomacy as a medium of foreign policy. Recently the scholars have marked the diplomatic discourse as the separate type of discourse, as it is significantly related to the life of society. Nowadays, there are numerous sources which can make it possible to get and comprehend the diplomatic discourse. Doubtless, such sources include the media: radio, television, Internet and especially, social networks. The article describes the linguopragmatic peculiarities and communicative strategies of one of the genres of digital diplomatic discourse – Twitter diplomacy (Twiplomacy). The study outlines and describes the main genres and subgenres of institutional and personalized Twiplomacy, such as a tweet and BIO. The article shows that Twitter messages of diplomatic institutions and diplomats use a range of communicative strategies (informative, judgmental, and argumentative) and include lexical, syntactic, and stylistic peculiarities that serve to influence target audience and build a positive image of a diplomat or an institution.Keywords: linguistics, communication, digital diplomacy, Twiplomacy, the theory of speech genres, institutional discourse, personalized discourse.