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Oregon State Legislature Oregon Legislative Data

​Open Data - Oregon State CapitolMeasure, Committee and Legislator Information Available to the Public


 For reference assistance, questions about the legislature, legislative process, or other government agencies, please email, or call 1-800-332-2313.


The Oregon Legislature freely provides the legislative measure, committee, and legislative member data used in the Oregon Legislative Information System (OLIS) to the public in an Open Data Protocol (OData) API. Oregon's Legislative OData API provides complete and up-to-date session information.  OData is an open protocol which allows the creation and consumption of queryable and interoperable RESTful APIs in a simple and standard way.  The legislature's data model outlining exactly what data is available can be found here.

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