> For the complete documentation index, see [llms.txt](https://docs.nymcard.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.nymcard.com/get-started/security.md).

# Security

- [PCI widget](https://docs.nymcard.com/get-started/security/pci-widget.md)
- [3D Secure](https://docs.nymcard.com/get-started/security/3d-secure.md)
- [OTP SMS templates](https://docs.nymcard.com/get-started/security/otp-sms-templates.md)