The Global Archicad Community

Stay informed. Get help. Share your knowledge.

Discussions about using GRAPHISOFT's tools (Archicad API, BIMx API, BIMcloud API) for independent software developers

Moderators: ejrolon, Barry Kelly, Karl Ottenstein, LaszloNagy, Gordana Radonic, nbalogh, gkmethy, mnguyen, Viktor Kovacs, Mihály Palenik, Tibor Lorántfy, rmasaki, MOREH Tamas, Akos Somorjai, Ed Brown

User avatar
By Jahidur
Is there any way to build a Add-On API using python. I want to build a Add-On API using python but i didn't find any resource or any document for this task.
User avatar
By Podolsky
It is not possible yet to build Add-On on Python. Python has only few commands, that can only change ID's, apply some properties and work with Layouts. ... hicad.html

Graphisoft is promising to add more commands with upcoming versions. Currently it's unknown, will Python commands duplicate C functions and commands.
If you need to build proper Add-On - the only way is to write it on C.
User avatar
By Tibor Lorántfy
From version 24, Archicad has a new JSON Interface. It provides a way for external applications to automate ARCHICAD functions. It is a one-way communication from the external software to ARCHICAD.
The communication happens via HTTP using JSON messages.

GRAPHISOFT publishes an official Python binding for the ARCHICAD JSON Interface at the Python Package Index (PyPI). This package helps to establish the connection and hides the JSON communication layer.

When you are running a python script, the script sends JSON messages to Archicad and Archicad returns JSON responses back to the script via HTTP.

So the Python API is based on the JSON Interface. I recommend you to check the official documentation of the JSON Interface: ... umentation
The names of the Python API functions are completely the same as the JSON command names.