UPI & crypto QR codes instant payments
Generate payment QR codes for UPI and crypto wallets — send them instantly in bulk campaigns for collections, donations, or order payments. Each QR encodes your VPA or wallet address with optional amount.
Everything you need to get started
Follow these steps in WhatSender Pro to activate this feature in minutes.
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Tools → Payment QR → enter UPI ID or crypto wallet address.
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Set fixed amount or leave open for customer entry.
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Attach generated QR to campaign with "Scan to pay" caption and send.
Step-by-step guide
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01
Configure payment details
Enter UPI VPA (name@bank) or BTC/ETH/USDT address.
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02
Set amount rules
Fixed rupee amount, variable from Excel column, or pay-any.
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03
Generate QR image
payment_qr_gen.dll renders scannable PNG per row if amounts differ.
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04
Embed in message
QR sends as image with personalized caption and reference ID.
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05
Reconcile payments
Match UPI refs or on-chain TX to invoice column in reports.
How this helps your business
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Faster collections
Customers pay in one scan instead of asking for bank details.
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Crypto-ready invoicing
Web3 clients get wallet QR without manual address copy.
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Reduced payment friction
QR in WhatsApp beats email payment links for SMBs.
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Bulk dues reminders
Each contact gets QR with their outstanding amount.
Best practices
- Verify UPI ID with a ₹1 test before bulk send.
- Include invoice number in caption for reconciliation.
- For crypto, specify network (ERC-20, TRC-20) in the message text.