The whisper logo with a stylized 'W' inside a speech bubble and the word 'whisp' next to it.

Millions of members scan their cards — but almost none opt in. Let’s fix that at checkout and beyond.

Turn POS and in-store moments into verified mobile identity.

  • Real-time opt-ins across all guest touchpoints: web, app, signage, QR codes, media

  • Instantly capture compliant, verified phone numbers without forms or redirects

  • Works with your existing stack. No app downloads or development needed

A man smiling in a grocery store aisle, standing next to a shopping cart with some groceries and using his smartphone.

93% of loyalty members are not opted in for SMS. That’s an opportunity.

Research shows that increasing customer retention by just 5% can boost profits by 25% to 95%. By nurturing customers via SMS, you build trust and create long-lasting relationships that drive lifetime value.