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WhatsApp invoicing

Send GST invoices on WhatsApp in 30 seconds.

No app to install, no software to learn. Message Monsoon like you'd message a friend, and your customer gets a GST-compliant invoice with a UPI payment link, right where they already are.

How it works

  1. 1. Say it "Invoice for Ramesh Traders, 5 chairs at ₹2,000 each." Text or voice note, in English, Hindi or Telugu.
  2. 2. Monsoon builds it A GST-compliant PDF with your GSTIN, HSN codes, the correct CGST/SGST or IGST split, and a UPI payment link.
  3. 3. Your customer pays They get the invoice on WhatsApp and pay from any UPI app. If they don't, Monsoon reminds them politely on day 7, 15 and 30.

Why WhatsApp beats another billing app

  • Your customers are already there. No "please download our app" conversation, no login they'll forget.
  • Invoices get seen. WhatsApp messages get read within minutes; emailed invoices sit unopened for days.
  • One thread holds everything. The quote, the invoice, the reminders, and the "payment received" confirmation live in one conversation you can scroll back through.
  • Your books stay intact. Everything syncs with Tally, Zoho Books or QuickBooks. Monsoon sits on top; nothing about your existing setup changes.

Questions people ask

How do I send a GST invoice on WhatsApp?

Message Monsoon on WhatsApp with the customer name, items and amounts. It builds a GST-compliant invoice PDF with your business details, GSTIN and HSN codes, and sends it to your customer on WhatsApp with a UPI payment link. The whole thing takes about 30 seconds.

Is a WhatsApp invoice legally valid for GST?

Yes. GST validity depends on the invoice contents (GSTIN, invoice number, HSN/SAC, tax breakup), not the channel it travels on. Monsoon generates a compliant PDF; WhatsApp is just the fastest way to deliver it.

Do my customers need to install anything?

No. Your customer receives a normal WhatsApp message with the invoice PDF and a UPI link. They can pay from any UPI app.

What happens if the customer doesn't pay?

Monsoon follows up for you: polite reminders on day 7, 15 and 30, on WhatsApp, referencing the exact invoice. Clients pay about 30% faster when reminders are consistent.

Does it work with Tally or Zoho?

Yes. Monsoon syncs with Tally, Zoho Books and QuickBooks in about five minutes, and your existing setup doesn't change.

How much does it cost?

Invoicing on WhatsApp is free forever. You pay only for extras like automatic reminders or the Pocket CFO.

Free forever invoicing. Really.

Unlimited GST invoices on WhatsApp at ₹0. Chasing payments by hand? Grab our free payment reminder templates too.