Platform
Open APIs & webhooks
Quickly build and launch custom card programs.
“Our developers really like the platform, and the reason for that is that the documentation is really well-written. The APIs are very well designed, so it’s easy to understand. It’s built on cutting-edge technology, like SOAP messages, JSON, REST, and this is something that a top modern company like Klarna expects from our partners.”

Kamil Hakim
Sr. Engineering Manager
Use a private sandbox to test and simulate transactions
Design a highly configurable payment solution
Gain full visibility into your card activities
Build on one platform with broad capabilities
Scale globally on a trusted platform
With 270,000,000+ cards issued to date through our platform, we have weathered the challenges of standing up large programs. Certified as compliant with PCI DSS, SSAE-18, and SOC 2 Type II, Marqeta follows industry standards for data security and privacy. Bank-grade encryption safeguards PII, PCI, and PIN data-in-transit and data-at-rest. Communication with platform services requires TLS 1.2 or higher.