Direct Answer
Yes — Tekla Structures has an Open API (application programming interface) that allows custom tools, macros, and plugins to automate repetitive tasks, enforce company standards, or integrate with external systems (ERP, production management software, CNC controllers). Large fabricators and detailing firms often develop custom Tekla tools to extend default functionality.
Full Explanation
Common Tekla Open API applications: (1) Custom connection components — proprietary connection types that aren't in the standard Tekla library. (2) Automated checking tools — verify that all piece marks have been numbered, all connections are modeled, or that BOM weights match a target. (3) CNC integration — custom DSTV export profiles that match specific machine controller requirements. (4) Production management links — automatically populate fabrication tracking systems from Tekla model status. The API uses C# and is documented in the Tekla Developer Center.
What This Means for Your Shop
For high-volume shops, Tekla automation is a competitive advantage. A custom tool that automatically verifies NC1 files against approved drawings, for example, can eliminate a manual QC step that takes 2–3 minutes per member across thousands of members per year.
Common Mistakes
Developing custom Tekla tools without proper version testing. Tekla updates (released annually) sometimes break custom API integrations — test all custom tools against a new Tekla version before upgrading.
Recommended Process
If you have a repetitive Tekla workflow that you do manually more than once per week, investigate whether it can be automated with the Open API. Start with Tekla's macro recorder for simple tasks before investing in full API development.