100% GST Compliance Guarantee
Stay fully compliant with Indian tax regulations. Auto-calculate CGST, SGST, IGST based on buyer location. Generate GSTR-1, GSTR-3B reconciliation reports instantly. Supports reverse charge, e-invoicing, and E-way bills.
How GST Compliance Works Automatically
From tax calculation to government filings—everything handled automatically
Automatic Tax Type Detection
The system automatically determines tax type based on your and your customer's location:
- •Intra-state (same state): Applies CGST + SGST
- •Inter-state (different states): Applies IGST
- •Export transactions: Zero-rated with proper documentation
- •Reverse charge: Automatically handled for unregistered vendors
Real-Time GSTIN Validation
Every customer GSTIN is validated using government APIs:
- •Validates GSTIN format and checksum instantly
- •Verifies GSTIN is active and not cancelled
- •Fetches registered business name and address
- •Alerts you if GSTIN doesn't match customer details
One-Click Report Generation
Generate GST reports ready for filing:
- •GSTR-1: Sales summary with JSON export for portal
- •GSTR-3B: Tax liability with input credit calculations
- •HSN-wise summary: Product-level tax breakdowns
- •Reconciliation reports: Match with GSTR-2A automatically
Complete GST Feature Set
Everything you need for Indian tax compliance
E-Invoice Generation
Direct NIC integration for B2B transactions over ₹5 crores. Auto-generates IRN and QR codes.
E-Way Bill Creation
One-click E-way bill generation with automatic distance calculation and validity computation.
Reverse Charge Support
Automatically handles reverse charge mechanism for purchases from unregistered vendors.
All GST Rates Supported
0%, 5%, 12%, 18%, 28%, and cess items all handled automatically with HSN code mapping.
JSON File Export
Export reports in JSON format ready for direct upload to GST portal—no manual data entry.
GSTR-2A Reconciliation
Match your purchase data with GSTR-2A to catch discrepancies before filing returns.
How WhisprBill Ensures 100% Compliance
Automatic Tax Calculation
The system automatically determines tax type: CGST+SGST for intra-state, IGST for inter-state transactions. Supports all GST rates: 0%, 5%, 12%, 18%, 28%, and cess items. Validates GSTIN in real-time using government APIs.
Generates JSON files ready for upload to GST portal—no manual data entry. E-invoice generation with NIC integration for B2B transactions over ₹5 crores turnover. One-click E-way bill creation with automatic distance calculation and validity computation.
Comprehensive Reporting
Reverse charge mechanism for unregistered vendors handled automatically. Comprehensive reports: HSN-wise summary, tax liability statements, input credit ledgers. Monthly reconciliation tools match your data with GSTR-2A to catch discrepancies before filing.
Tax rate changes? Update centrally and all future invoices reflect new rates. Trusted by 5,000+ businesses including CA firms who verify GST compliance—zero penalties reported in 2+ years.
Frequently Asked Questions
Is WhisprBill GST compliant?▼
Yes, WhisprBill is 100% GST compliant. The system automatically calculates CGST/SGST/IGST based on customer location, validates GSTINs in real-time, and generates all necessary reports for GST filing. Trusted by 5,000+ businesses with zero penalties reported.
Can I generate E-invoices with WhisprBill?▼
Yes! WhisprBill has direct NIC integration for E-invoice generation. For businesses with turnover over ₹5 crores, E-invoices are generated automatically with IRN (Invoice Reference Number) and QR codes as per government requirements.
How does automatic tax calculation work?▼
The system automatically determines the correct tax type based on customer location. For intra-state transactions, it applies CGST+SGST. For inter-state transactions, it applies IGST. All calculations happen in real-time with support for multiple GST rates.
Can I generate GSTR reports?▼
Yes, WhisprBill generates GSTR-1, GSTR-3B, and HSN summary reports with one click. Reports are exported in JSON format ready for direct upload to the GST portal—no manual data entry required.
What happens when GST rates change?▼
When GST rates change, we update the system centrally. All new invoices automatically use the updated rates. You can also set custom effective dates for rate changes if needed.
Do you support E-way bills?▼
Yes! Generate E-way bills with one click. The system automatically calculates distance, suggests vehicle types, and computes validity periods based on government rules.
Works Seamlessly With Other Features
AI Conversational Invoicing
AI automatically applies correct GST rates based on customer location
Professional Templates
All templates include compliant GST breakdowns and tax summaries
Customer Management
Store customer GSTINs with real-time validation for every transaction
Stay 100% GST Compliant, Effortlessly
Join 5,000+ businesses filing GST returns with zero penalties
✓ Free forever plan ✓ NIC integrated ✓ Zero penalties guarantee