Welcome to WyOpen - Wyoming's Online Checkbook!
WyOpen gives you easy access to State of Wyoming expenditures, so you can see how our state spends money. This site includes payments made by the State of Wyoming through the Wyoming Online Financial System (WOLFS) to vendors for the purchase of goods and services.
Currently, this site includes expenditure data or expenditures made by the State of Wyoming between March 3rd 2016 through September 22nd 2021.
Quarterly updates will typically be available 30 days after quarter end. For example, data for January, February and March will be uploaded and made available by April 30th.
The data presented on this website does not include all State of Wyoming expenditures. Confidential or sensitive data protected by state or federal law has been excluded. Information excluded may include, but is not limited to:
Individual agency expenditures may not align with the agency’s final appropriated budget due to the removal of confidential payments and/or timing of expenditures and encumbrances.
Additional Expenditure Data Information
Expenditure data is classified by expenditure types within the WOLFS system. For a listing of these WOLFS expenditure types, please go to: http://sao.wyo.gov/agency-resources/wolfs and click the “Object/sub-Object Listing” link.