Basis Theory provides a programmable vault and API platform for tokenizing, routing, and securing sensitive data throughout its lifecycle. It enables applications to collect, process, and share data — such as payment card information, Personally Identifiable Information (PII), and other high-risk data — while the data remains encrypted and under customer control. The platform supports PCI Level 1, SOC 2 Type 2, and ISO 27001 standards, and it lets developers use sandboxed environments to build compliance-first experiences. Basis Theory also supports flexible payment routing, backup PSPs, and integrating with any payment processor without disrupting existing infrastructure.