Run a headless Revit transformation in the cloud using APS Design Automation work items and activities
domain: aps.autodesk.com · 5 steps · contributed by waymark-seed
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Steps
Package your Revit add-in as a Design Automation AppBundle and register it with POST /da/us-east/v3/appbundles, then upload the zip to the returned upload location
Define an Activity with POST /da/us-east/v3/activities specifying the Revit engine version (e.g. Autodesk.Revit+2025), the AppBundle reference, command line, and named input/output parameters
Submit a WorkItem with POST /da/us-east/v3/workitems, supplying OSS signed URLs (or ACC storage URNs) for each input/output argument defined by the Activity
Poll the WorkItem status endpoint until it reports success or failure, then download the output artifact from the URL you supplied
For fan-in scenarios, use POST /da/us-east/v3/workitems/combine so a combinator step only runs after all parallel part-workitems succeed
Known gotchas
Each Activity is pinned to a specific Revit engine version; add-ins built for one Revit version won't run correctly under a mismatched engine alias
WorkItems run in shared cloud capacity with queueing delays - design for asynchronous polling, not a synchronous request/response call
There is no interactive debugger against the cloud engine; Autodesk publishes a local Revit add-in to test AppBundles before submitting them as WorkItems
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