Professional GST Invoices
in under 60 seconds
From client selection to tax calculation to PDF export — Solastice handles the entire invoicing workflow automatically. Stay GST-compliant without the hassle.
How It Works
From blank to billed in 4 steps
Select Client & Add Items
Choose from your client list or add a new one. Add product line items from your catalog or enter custom services. Quantities and rates auto-populate.
Tax Engine Calculates Automatically
Based on the client's state, the engine automatically applies CGST + SGST (intra-state) or IGST (inter-state). Volume discounts and special rates are applied instantly.
Send or Share Instantly
Download as a stamped PDF or share a unique invoice link via email or WhatsApp. Clients can view and confirm receipt without logging in.
Track & Settle
Monitor invoice status (Draft → Sent → Viewed → Paid). Mark as settled when payment arrives. Books update automatically — no manual entry.
Key Features
Everything invoicing needs
CGST/SGST/IGST Auto-Calc
Tax engine applies the right GST structure based on intra or inter-state billing.
Stamp-Certified PDF Export
Download professional, ready-to-submit PDF invoices with your company letterhead.
Credit Notes & Adjustments
Issue credit notes against invoices with a single click. Applied balances settle automatically.
Cryptographic Audit Trail
Every invoice gets a SHA-256 fingerprint. Tamper-evident proofs on a public verification portal.
Invoice Status Tracking
Real-time status: Draft, Sent, Viewed, Partially Paid, Settled, Overdue.
Product & Service Catalog
Store products with HSN codes and services with SAC codes. Reuse with one click.
Ready to simplify your billing?
Free for all businesses. No credit card required.
Free during early access · No auto-charges ever