ZapInvoice

What is ZapInvoice?

ZapInvoice is a free, India-first GST invoicing tool built for freelancers, consultants, and small service businesses. Create a fully GST-compliant invoice in under 60 seconds. The tool automatically handles CGST/SGST (intra-state) and IGST (inter-state) splits based on your client's state, generates a UPI QR code on every invoice, and supports all 12 document types required under Indian GST law — Tax Invoice, Bill of Supply, Proforma Invoice, Credit Note, Debit Note, Export Invoice, and more.