20 November 2020
API ( Application Programming Interface ) facilitate the communication and exchange of data between taxpayers and the e-invoice system YES, EACH AND EVERY INVOICE JSON FILE TO BE UPLOADED ON PORTAL.
21 November 2020
You are not supposed to use API. There are three modes of implantation of E-Invoicing in any organization.
API integration is a direct method of taxpayer system requesting for Invoice Reference Number (IRN) . For more details on e-invoicing- please go through the article. Link is:-
https://taxguru.in/goods-and-service-tax/overview-e-invoicing-gst.html An Overview of E-Invoicing Under GST