GSTN has implemented revised e-Invoice and e-Way Bill API validations from 1 August 2026, requiring businesses to maintain more accurate transaction and master data. The changes introduce additional validations relating to GSTIN, State Code, PIN Code, Bill-to and Ship-to information, along with changes in e-Way Bill generation through IRN. GSTN has also introduced functionality relating to the voluntary closure of e-Way Bills after delivery, making it important for businesses and software providers to align their systems with the revised requirements.

How Does It Matter to Businesses?

Businesses using ERP or accounting software integrated with the GST system should review their customer, vendor and shipping master data to ensure that GSTIN, address, State Code and PIN Code information is correctly maintained. Incorrect or incomplete data can result in validation errors while generating an e-Invoice or e-Way Bill, potentially delaying invoicing and movement of goods. Finance teams should also confirm that their accounting or ERP software has incorporated the latest GSTN API changes.

Mardia Global | GST & Accounting Insights for Businesses in India