## Documentation Index Access the complete documentation index at: https://www.zoho.com/in/books/kb/llms.txt Use this file to discover all available documentation pages before proceeding. [Back](./) # How do I enable API access? You need to enable API access from your account in the GSTN portal to connect Zoho Books with the GSTN portal securely.  To enable API access:  * Log in to **GSTN portal** at [](https://www.gst.gov.in)[www.gst.gov.in](https://www.gst.gov.in). * Click your name in the top right corner of the page and select **My Profile**.  ![GST My profile](/books/kb/images/gst/api-access-my-profile.png) * Click the **Manage API Access** from the Quick Links.  ![Manage API Access](/books/kb/images/gst/manage-api-access.png) * Click **Yes** and select a duration from the dropdown.  * Click **CONFIRM**. ![Confirm](/books/kb/images/gst/api-access-confirm.png)