In this episode of Behind the Checkout, Gr4vy CEO and Founder John Lunn sits down with Soups Ranjan — Co-founder and CEO of Sardine, and one of the sharpest voices in fraud prevention — to unpack the reality of agentic commerce and what it means for the future of payments.

From AI agents negotiating and paying without human approval to the rise of “machine customers,” they explore how transaction flows, authentication, and fraud detection will need to evolve when money moves at machine speed. They discuss which industries will be disrupted first, where the biggest risks lie, and why control over data and orchestration could become the new competitive battleground.

In this episode of Behind the Checkout, Gr4vy CEO John Lunn talks with Colin Luce, Co-founder and CEO of Basis Theory, about the innovations driving invisible payments. From tokenization to embedded finance, they explore how seamless, behind-the-scenes transactions are reshaping customer experiences and what merchants need to know to stay ahead. Tune in for insights on balancing frictionless commerce with security, trust, and scalability.

Gr4vy CEO John Lunn is joined by payments veteran and former Google executive Steve Klebe to explore the fierce competition—and future—of digital wallets. From adoption trends to merchant pain points and integration best practices, this episode breaks down what’s powering (and stalling) wallet growth today. Tune in for a behind-the-scenes look at Apple Pay, Google Pay, Click to Pay, PayPal, and where it’s all heading next.

Gr4vy CEO John Lunn is joined by payments strategist Dwayne Gefferie to break down the most talked-about trends in payments right now. From the rise of new payment methods and global infrastructure shifts to the growing role of orchestration, this episode explores what’s shaping the future of commerce—and what merchants need to do to keep up.