Hi Jens
CashBooks and entries are not currently exposed in REST at all.
You may follow our newsletter to keep up-to-date on what our plans are for REST and other news from the API team:
https://www.e-conomic.com/news/developer-newsletter
CashBooks and entries are not currently exposed in REST at all.
You may follow our newsletter to keep up-to-date on what our plans are for REST and other news from the API team:
https://www.e-conomic.com/news/developer-newsletter