Introduction
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CSI API ETABS v1
Introduction
This document illustrates how to start/connect to ETABS using the CSI Application Programming
Interface (API) from a variety of clients.
With the release of ETABS v22.0.0, the API is defined in the form of a .NET Standard 2.0 dynamic link
library (DLL) for improved compatibility with a large variety of client applications. Please refer to the
Release Notes page.
Please note that ETABS must be installed both on the API client development machine, and on the client
end-user's machine.
ETABS®, SAFE®, SAP2000® and CSiBridge® are registered trademarks of Computers and Structures,
Inc.
Copyright © Computers and Structures, Inc. 2025. All rights reserved.
Send comments on this topic to support@csiamerica.com
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31/5/2026