Where to find the API description?
You'll find the API description in the Protocol guide — a detailed document that helps web service developers connect Invoicebox system version 3.0 and above.
The guide contains all the technical information you need: the API description, CMS modules, working with orders, payment registration, and much more.
Note
If you couldn't find the information you need, contact Invoicebox support: by email at c-support@invoicebox.ru or via the online chat on the website.