Are you PCI-DSS Compliant?

Of course!

We meet or exceed the most stringent industry standards: each piece of our infrastructure and each stage of our operations are designed with security in mind. Midtrans has been audited by a PCI-certified auditor, and is certified to PCI-DSS Service Provider Level 1. This is the most stringent level of certification available

Beside that, Midtrans is already ISO 27001 Information Security Management.