The present work presents some transformations that have occurred in Brazil in recent years in the public transparency aspect, mainly in view of the legal structure after the signing of the Open Government Partnership (OGP) treaty. In summary, it exposes beyond the legal apparatus, the growth of the portal of public transparency and the classification of the country regarding the opening of public information, theme of item 2 - Transparency and Open Government. Contemporary literature has addressed the potential of the Internet to broaden the possibilities of bringing together the State and society by providing information on legislative activities and governmental procedures, contributing to a greater possibility for citizens to know and make use of their rights and how to act more... actively as a social actor. With the use of Information and Communication Technology, especially after the various legal aspects adopted by Brazil, this public participation has expanded and gained more relevance. Briefly, the opening of public information increases the level of confidence of the administrations and enables the wide inspection of citizens, legitimizing and strengthening the presence of the state and in accordance with constitutional principles.