Shark Invoice is a WhatsApp-native invoicing tool for Indian businesses that creates GST-compliant invoices and quotes through a chat interface and includes a UPI payment link on every invoice.
What is Shark Invoice?
Shark Invoice lets you create GST-compliant invoices and quotes by sending messages on WhatsApp. You input business details, client info, line items, and GST rates via guided prompts, and the tool outputs a professional PDF invoice with a UPI payment link and a public shareable link. It works within WhatsApp with no separate app download required.
Key Features
- WhatsApp-first creation — Open the Shark Invoice chat, select a client, describe items, enter quantity/rate/GST%, and receive a clean PDF plus a public link — all within the WhatsApp conversation.
- GST compliance built in — Automatically applies HSN/SAC codes, splits CGST/SGST/IGST, and handles place-of-supply logic — no manual calculation needed.
- UPI on every invoice — Every invoice includes your UPI ID and a clickable payment link; customers tap to pay instantly via UPI.
- Quotes that convert — Send quotes from WhatsApp and convert them to invoices with one tap when the client approves.
- Professional PDFs — Generates ready-to-share PDFs and a public webpage URL that customers can view without signing up.
- Free tier for 5 invoices/month — Use the tool for free up to 5 invoices per month, no credit card required. Upgrade to Pro for unlimited usage at ₹499/month or ₹4,500/year.
Who is it for?
- Indian freelancers — Send a single invoice via WhatsApp for a consulting project, get paid by UPI, and track collections in the dashboard.
- Small business owners — Manage client billing on the go using just your phone and WhatsApp, with automatic GST compliance for domestic sales.
- Contractors and service providers — Generate quotes from WhatsApp, convert them to invoices upon approval, and record payments without switching apps.
What can you do with Shark Invoice?
- Create an invoice from scratch — Choose a client, enter items and GST details through chat prompts, and receive a PDF with a UPI payment link instantly.
- Send and convert a quote — Issue a quote via WhatsApp; when approved, convert it to an invoice with one tap.
- Record payments — Log received payments in the dashboard to track which invoices are settled.
- Add clients — Save client details through the WhatsApp chat for reuse in future invoices.
How does Shark Invoice work?
- Sign up free — Create an account with your business details and GSTIN (free for first 5 invoices each month).
- Create invoices from WhatsApp — Open the Shark Invoice WhatsApp chat, respond to prompts (client, item, quantity/rate/GST%), and get a GST-compliant PDF and a public link.
- Share and get paid — Send the PDF to your customer — they tap the UPI link to pay in seconds. Record the payment in your dashboard to track collections.
Pricing
Shark Invoice is freemium. The Free plan gives you 5 invoices per month with GST-compliant PDFs and UPI links. The Pro plan costs ₹499/month or ₹4,500/year (≈₹375/month) and includes unlimited invoices, quotes, and removes the “Powered by” footer. No credit card is required to start. Get Started Free · See Pricing
FAQ
Is Shark Invoice free?
Yes, the Free plan lets you create up to 5 invoices per month at no cost, with no credit card required. You can upgrade to Pro when you need more.
Do I need to install an app?
No — Shark Invoice works entirely inside WhatsApp. You just add the Shark Invoice chat contact and start creating invoices through guided prompts. PDFs and payment links are generated automatically.