Okçuzade Mehmed Şâhî, who was raised by the Ottomans in the late 16th and early 17th centuries and has many virtues, is a poet, scholar and calligrapher statesman as well as being a successful scholar. His munşeat, which he named Münşeātü'l-inşā, is one of the strongest works of both his period and the Ottoman munseat tradition. This work, which is a product of inşā, is located in an eye-opening place in terms of political and social history. It is seen that the main rules of munseat texts have not had major changes since they are appeared in Turkish-Islamic literature. One of the most important items of letter, which has become a tradition, is prayer. In the prayer sections, there are wishes for the continuation and further elevation of the rank, glory and honor of the addressee. When the type of letter is examined for centuries, it is almost impossible to come across letters that do not have a prayer section. In this article, the prayer sentences of the letters in Okçuzade Mehmed Şāhį's munşeat were examined; It has been tried to reveal the differences of these expressions according to the types and addressees of the letters.