The Goods and Services Tax Network (GSTN) has announced a temporary disruption of certain e-Invoice-related services on the GST portal due to a scheduled infrastructure upgrade. The affected services will remain unavailable from 9:00 AM on October 31, 2026, to 1:00 PM on November 1, 2026.
The maintenance activity is expected to affect taxpayers and businesses that rely on the portal for retrieving and processing e-Invoice data, auto-populating invoice details in GSTR-1, and downloading e-Invoice JSON files.

Official copy of the Advisory is as follows
Due to a scheduled infrastructure upgrade, certain e-Invoice-related services on the GST portal (https://einvoice.gst.gov.in) will be temporarily unavailable during the following period:

- Start: 31 October 2026, 9:00 AM (IST)
- End: 1 November 2026, 1:00 PM (IST)
Affected services:
1. e-Invoice data retrieval and processing from IRPs.
2. Auto-population of e-Invoice data in GSTR-1.
3. e-Invoice JSON downloads through the portal and APIs.
Taxpayers and other stakeholders are advised to plan their activities accordingly. The affected services are expected to resume after completion of the maintenance.
The inconvenience caused is regretted.