How safe is it to make payments on LanguaTalk?

All payments made on LanguaTalk.com are processed by Stripe, one of the world's most secure payment companies.

Stripe has been audited by a PCI-certified auditor and is certified to PCI Service Provider Level 1. This is the most stringent level of certification available in the payments industry. To accomplish this, they use best-in-class security tools and practices to maintain a high level of security. You can find more detailed information on this via their website.