@fa__
with i-doit OPEN version 29, Add-on are not longer supported
For version i-doit OPEN 28 and below, you can find the old api download files in the Knowledge Base here:
https://kb.i-doit.com/en/download-links.html#api-add-on
i-doit Add-on API 1.15
Required i-doit >= 27
i-doit Add-on API 1.14.1
Required i-doit >= 24
i-doit Add-on API 1.14
Required i-doit >= 1.19
i-doit Add-on API 1.13.1
Required i-doit >= 1.19
i-doit Add-on API 1.13
Required i-doit >= 1.19
i-doit Add-on API 1.12.3
Required i-doit >= 1.15