Pre-filled messages are powerful - they reduce friction for users to start chatting (no typing required). Generate a wa.me link with your message already in the input box: 'Hi, I want to know more about your services' or 'I'd like to order item #1234'. Properly URL-encoded for emoji, line breaks, special characters.
When to use this
Use for: 'Order on WhatsApp' buttons (pre-fill the product info), customer-support links (pre-fill 'I need help with...'), social-media bio links (pre-fill 'Hi, found you on Instagram'), feedback forms (pre-fill 'Feedback about your service:'), event RSVP (pre-fill 'I want to attend X event').
Frequently Asked Questions
How long can the pre-filled message be?
WhatsApp's URL spec allows up to ~2,000 characters in the message parameter. Practically, keep it under 200 chars for SMS shareability and mobile-keyboard editability. Users always see the message and can edit before sending - it's not auto-sent.
Can I include emoji in pre-filled messages?
Yes - emoji work fine. The link generator URL-encodes them properly so they render correctly on the receiver's WhatsApp. Same with line breaks (use Shift+Enter in the message input or %0A in the URL directly).
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