Paper.li uses the 3rd party Adyen and Recurly services which are both level 1 PCI DSS certified. This means that your data and billing information is 100% safe with us.
The Payment Card Industry Data Security Standard (PCI DSS) is an information security standard for organizations that handle credit card and debit card information. The standard is defined by the Payment Card Industry Security Standards Council and was created to increase controls around credit card data to reduce credit card fraud via its exposure.
Any business that wants to sell online and accept payments from Visa or MasterCard must be PCI compliant. You can learn more about PCI compliance here.