GST Tax Invoices &
Instant UPI Settlement.
Automated 50/50 intra-state CGST & SGST splits vs 100% inter-state IGST calculations, Section 170 integer round-offs, vector PDF invoices, and scannable NPCI UPI QR codes.
Apex Software Studio
GSTIN: 27AAPCA1234F1Z5 • MH (27)
Date: 21-Sep-2026
Nexus Innovations Pvt Ltd
GSTIN: 27BBBCB5678G1Z2
Maharashtra (27)
INTRA-STATE| Description | SAC | Rate | Taxable |
|---|---|---|---|
| Software & Web Development | 998314 | 18% | ₹50,000.00 |
Scan via GPay, PhonePe, Paytm or BHIM for instant bank settlement.
Engineered for Indian Tax Statutes.
Zero spreadsheets, zero manual CA data entry. Automated Section 31 tax routing, GSTR-1 JSON export, and instant UPI settlement.
Automated 36-State Place of Supply Matrix
Determines supplier state vs. recipient state. Automatically splits 50/50 CGST & SGST for intra-state billing or routes 100% to IGST for inter-state clients.
Zero-Fee Direct Bank Settlement
Standard payment gateways take 2% plus GST. VyaparStack generates dynamic NPCI UPI QR codes for 100% direct bank credits at zero cost.
Native WhatsApp Invoice Dispatch
Dispatches pre-formatted Section 31 invoice notifications directly via native WhatsApp deep links with zero API costs.
Tax Invoice INV-2026-089 for INR 59,000.00 has been issued. View Section 31 PDF & scan NPCI UPI QR code:
Official GSTR-1 Offline Tool JSON Payload
Direct export conforming to the GST Common Portal (gst.gov.in) offline schema. Hand off to your CA or upload directly with zero manual entry.
{
"gstin": "27AAPCA1234F1Z5",
"fp": "032026",
"cur_gt": 0,
"b2b": [
{
"ctin": "29BBBCB5678G1Z2",
"inv": [
{
"inum": "INV-2026-001",
"idt": "21-09-2026",
"val": 59000,
"pos": "29",
"rchrg": "N",
"inv_typ": "R",
"itms": [
{
"num": 1,
"itm_det": {
"hsn_sc": "998314",
"txval": 50000,
"rt": 18,
"camt": 0,
"samt": 0,
"iamt": 9000,
"csamt": 0
}
}
]
}
]
}
]
}How Much Are Payment Gateways Taking From You?
Standard payment gateways siphon 2% + GST from every invoice you raise. Direct NPCI UPI QR settlement keeps 100% of your earnings in your bank account.
100% retained earnings by using native dynamic NPCI UPI QR settlements.
Compliant Billing Scaled to Your Practice.
No hidden fees, no credit card required to test the sandbox.
Ideal for testing Section 31 compliance and low-volume initial billing.
Engineered for active Indian freelancers, IT consultants, and digital agencies.
For multi-state businesses, consulting partnerships, and agencies.
Frequently Asked Legal & Tax Questions.
Verified answers according to the Central Goods and Services Tax Act 2017.
Statutory Indian GST Invoicing, Engineered for Precision.
Designed specifically for Indian freelancers, IT consultants, and creative agencies adhering to the Central Goods and Services Tax Act 2017 and Rule 46.