Treasury transactions is a service offered by AIS that provides information, transparency, monitoring and accountability for taxpayers. The service enables citizens to learn how public institutions spend their money. The primary source for these data is the Central Treasury Office Spending System. Information provided by AIS through Spending Data Albania and Open Data Albania lists every payment, treasury transaction made by the 1895 budgetary institutions in the country. The data are complete from January 2012 to date. Analyzing the records of this well-structured database, one can understand and monitor how taxpayers’ is spent.