The Kafkai Blog

We have detected a surge in phishing emails claiming to be from Kafkai, utilizing domain spoofing to target users. To ensure your security, it is critical to recognize the signs of these fraudulent messages and understand how to protect yourselves.

Need a way for people to call you back regardless of where you are? PuchiDen virtual numbers offer a real local phone number that forwards calls directly to your handset. Whether for business or family, stay connected without SIM cards.

A free public tool that instantly shows which websites are competing for the same keywords as you — no sign-up required, results in seconds.

Tired of installing apps and creating accounts just to make a single phone call? PuchiDen offers a browser-based international calling service that works like a classic payphone: just dial and talk.

We are excited to announce that LaLoka Labs has officially become Kafkai Giken. This transition aligns our corporate identity with the technology research and innovative products we build. Learn more about our new direction and what it means for you.

What is it really like to exhibit at SusHi Tech Tokyo 2026? From VCs working the floor to navigating Japan market entry, we dive into the genuine conversations and strategic takeaways from two days at Big Sight.