Yes. All payments on the Sema4 website are processed through Stripe, an independent payment processor. This means that Sema4 never has direct access to any of your credit card information. Stripe is a PCI-DSS compliant payment processor that has been audited by an independent PCI Qualified Security Assessor (QSA) and is certified as a PCI Level 1 Service Provider. This is the most stringent level of certification available in the payments industry. You can learn more about the security of Stripe payments at stripe.com.