Overview
The E-Invoice feature in Munim Accounting Software allows you to generate GST-compliant e-invoices directly from Sales Invoices. Once configured, invoice details are submitted to the GST portal, and an IRN (Invoice Reference Number) is generated automatically.
Before You Begin
Ensure the following requirements are completed before generating e-invoices:
- GST Details are configured.
- E-Invoice functionality is enabled.
- E-Invoice Portal API credentials are available.
- Your GSTIN is eligible for e-invoicing as per GST regulations.
Enable E-Invoice
Navigate to:
Settings → Statutory Information → GST Details
- Click Edit.
- Locate the E-Invoice Enabled option.
- Select Yes.
- Save the changes.

Configure E-Invoice API Credentials
After enabling E-Invoice, enter the required API credentials.
Navigate to:
Settings → Statutory Information → GST Details
Enter credentials:
- E-Invoice Portal API Username
- E-Invoice Portal API Password
Click Save to update the configuration.
Related Article: If you are new to Munim and have not generated the credentials yet, refer to: How to Generate E-Invoice Portal API Username and Password
Generate an E-Invoice
Navigate to:
Sales → Sales Invoice
- Create a Sales Invoice as usual.
- Enter all required invoice details.
- Click Save.
An E-Invoice confirmation window will appear.
- Click Generate E-Invoice.
- Confirm the action.

Verify E-Invoice Status
After successful generation, the E-Invoice status is displayed against the invoice.
Navigate to:
Sales → Sales Invoice
Check the invoice list to view the generated E-Invoice status.

Important Notes
- E-Invoice must be enabled before generating invoices.
- Valid API credentials are required for successful generation.
- Ensure GSTIN and business details are correctly configured.
- Any errors returned by the E-Invoice portal must be resolved before retrying.
- E-Invoice generation depends on the availability of GST portal services.
Need Assistance?
If you face any issues while generating E-Invoices, contact the Munim Support Team.