Open Source Alternatives to Basis Theory

A payment infrastructure platform that provides an agnostic payment vault for tokenizing, routing, and optimizing payment data. The software allows merchants to secure sensitive information such as credit card details, Apple Pay, and Google Pay while maintaining compliance with PCI, SOC 2 Type II, ISO 27001, and HIPAA regulations. It is designed for businesses in ecommerce, subscription services, and vertical SaaS to reduce churn through backup payment service provider routing and smart retries. The platform is deployed via API and web elements to integrate into existing payment stacks. It enables merchants to bring their own payment service providers or operate as a payment facilitator to increase authorization rates and brand loyalty. The system includes a production ready PCI environment and provides tools for managing omnichannel data in a single point of view.

Whether you want to cut software costs or escape vendor lock-in, these open source alternatives to Basis Theory give you an option you fully own. You can self-host them, so your data stays on infrastructure you control. This page lists 1 open source alternative to Basis Theory. The most popular is Databunker. It uses the MIT license and ships an official Docker image.