1. Place buttons above the fold
Mobile heatmaps show 64% of CTWA clicks happen in the top 30% of the screen. Pin a sticky "Chat on WhatsApp" CTA on landing pages, not just the footer.
Free · No login · wa.me + QR + UTM in one click
Click-to-WhatsApp Link Generator
Build a wa.me URL with prefilled message, UTM tracking, and a downloadable QR code — in under 30 seconds. Built for Indian SMBs running paid ads, retail QR, and WhatsApp Business journeys.
Build your click-to-WhatsApp link
Include the country code. Use the number connected to your WhatsApp Business / API.
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What customers see typed into WhatsApp when they tap the link. Keep it under 160 chars.
43/320
UTM tracking
Tag the link so you know which channel sent the chat. Tags appear inside the prefilled message AND as URL params for GA4/GTM.
Live preview
https://wa.me/919326560560?text=Hi!%20I'd%20like%20to%20know%20more%20about%20your%20offer.%0A%0A%5Bsrc%3Dinstagram%20%C2%B7%20med%3Dcpc%20%C2%B7%20cmp%3Dsummer-sale-2026%20%C2%B7%20cnt%3Dstory-cta%5D
6 best practices for high-converting click-to-WhatsApp links
From RichAutomate's aggregated benchmark of 4,200+ Indian SMB WhatsApp accounts (Jan–Apr 2026).
2. One CTA per surface — single-action
If the same page has "Buy now" + "Chat" + "Call us", CTWA conversion drops by ~40%. Pick the path that fits the buyer's intent at that step.
3. Keep prefilled message under 90 chars
Anything longer truncates on iPhone keyboards and customers edit it out. A short qualifier ("Interested in <Product>") is enough to trigger your reply flow.
4. Tag the source inside the message
WhatsApp Business app does not surface UTMs. Inline tags like [src=instagram · cmp=summer-sale] inside the prefilled text help your reps and CRM rules.
5. Auto-reply within 60 seconds
CTWA-to-conversion drops 4x if the first reply takes longer than 5 minutes. Wire an instant greeting + qualifier flow before you publish the link.
6. Track in GA4 with redirect link
Send paid traffic to a redirect endpoint that fires a "ctwa_click" GA4 event, then 302s to wa.me. This is the only reliable way to attribute CTWA in India.
Frequently asked questions
What is a click-to-WhatsApp (CTWA) link?+
A click-to-WhatsApp link uses the wa.me/<number> format to open a chat with your business directly in WhatsApp — on mobile or desktop — with an optional prefilled message. It is the official, free-to-use mechanism Meta provides to drive traffic from anywhere (ads, websites, QR codes, SMS, email) into WhatsApp.
Do UTM parameters work with wa.me links?+
WhatsApp itself does not surface UTMs to your business inbox. This generator solves that two ways: (1) it inlines a short [src=… cmp=…] tag inside the prefilled message so your reps and CRM rules can read it, and (2) it appends standard utm_source/medium/campaign/content query strings so GA4 and GTM can capture the click before the redirect to WhatsApp.
Is the QR code free to use commercially?+
Yes. The QR code is generated on your own device using an open-source encoder — RichAutomate does not store or watermark it. You can print it on flyers, packaging, store windows, POS tabletops, or use it in paid campaigns without attribution.
Does my number need WhatsApp Business API?+
No. wa.me works with any number that has WhatsApp installed — personal, WhatsApp Business app, or WhatsApp Cloud API. For higher click volumes (>50/day) we recommend WhatsApp Business API so you can auto-reply within 5 seconds, which is the single biggest CTWA conversion lever.
Why does the prefilled message look weird on iPhone?+
iOS truncates very long prefilled messages and strips multi-line breaks in older WhatsApp versions. Keep the core ask under 90 characters and the total under 160. Our generator caps the input at 320 characters and warns you at 160.
How is this different from a free QR generator?+
Generic QR generators only encode a URL. This tool builds the right wa.me URL for you (with correct country-code formatting and message encoding), embeds source tracking in two ways, and pairs it with WhatsApp-specific best practices instead of leaving you to figure them out.