Invoicing
GST-ready invoices that file themselves into your GSTR-1.
Issue compliant invoices, automate recurring billing, export GSTR-1, accept payments — everything the audit + practice side of your firm needs in one place.
No credit card required.
Invoice preview
Tax invoice #INV/2026/0184
Bill to: Sharma & Co · 02 Jun 2026
ITR-3 filing (FY 2025-26)₹ 8,000
GST advisory₹ 3,500
DSC renewal facilitation₹ 1,000
Total · incl. 18% GST₹ 14,750
GSTR-1
One-click export
Razorpay
Optional payment gateway
Recurring
Monthly / quarterly / annual
AR aging
Built-in collection dashboard
GST-ready
HSN / SAC, place of supply, tax rate — pre-filled
Every invoice carries the right HSN/SAC code, the right place of supply, the right tax classification. Generate a GSTR-1 export at month-end and your outward supplies are ready to upload — no re-entering line items.
- Sane defaults for CA services; override per invoice.
- Self-invoicing toggle for reverse-charge work.
- PDF + JSON export both supported.
Invoice preview
Tax invoice #INV/2026/0184
Bill to: Sharma & Co · 02 Jun 2026
ITR-3 filing (FY 2025-26)₹ 8,000
GST advisory₹ 3,500
DSC renewal facilitation₹ 1,000
Total · incl. 18% GST₹ 14,750
Billing schedules
Set a retainer once, invoices appear on the calendar
Retainer clients on monthly, quarterly, half-yearly, annual schedules. ZlyntOffice generates and issues invoices on autopilot. Skip a cycle when a client is on a break; pick up automatically next cycle.
- Drag to reschedule; the future invoices shift with it.
- Per-schedule pricing — easy to give one client a discount.
- Schedule changes audit-logged.
Workflow editor
Workflow · ITR Filing
New
Docs in
Drafted
Approved
Filed
Auto-rule: when Filed flips → email client + close request.