Hi Agata
We don't have tutorials for using our APIs but in our REST documentation we try to include JS examples for the various endpoints and methods.
With regards to creating an invoice draft you should take a look at http://restdocs.e-conomic.com/#span-classpostpostspan-invoices-experimentaldrafts![]()
We don't have tutorials for using our APIs but in our REST documentation we try to include JS examples for the various endpoints and methods.
With regards to creating an invoice draft you should take a look at http://restdocs.e-conomic.com/#span-classpostpostspan-invoices-experimentaldrafts