To communicate with the E-invoice system for registering your invoices, it is important to have API access. Companies having turnover more than 500 cr. have two options – one is “Direct API Access” and second is “API access through GSP”. But companies having turnover between 100 cr. to 500 cr. have only one option i.e., “API access through GSP”. So, registering your GSP for e-invoicing on the GSTN portal before you start the process through them is essential.
Let’s see how to establish connection with E-invoice system by selecting GSP