By Mikako Harada
I'm happy to inform you that finally Revit API Developer Guide has migrated to help.autodesk.com.
Here is the direct link:
Here is the marketing URL:
Here is the link to the Revit documentation:
I did some review while it was still on staging and reported a few issues and they are fixed. I hope it is in a good shape now.
Many thanks for your patience and understanding while we are moving to the new system.