To create elements you POST to the endpoints.
E.g. post to /invoices/drafts and /customers
Have a look at a GET on individual customers and drafts.
Please note that as of this writing the customers endpoint state is experimental and the invoices is deprecated.
With regards to stable versions of Invoices and Customers we expect to release these in Q1 this year.
And you can always follow along by looking at the documentation at http://restdocs.e-conomic.com
E.g. post to /invoices/drafts and /customers
Have a look at a GET on individual customers and drafts.
Please note that as of this writing the customers endpoint state is experimental and the invoices is deprecated.
With regards to stable versions of Invoices and Customers we expect to release these in Q1 this year.
And you can always follow along by looking at the documentation at http://restdocs.e-conomic.com