Use Cases

Start Small, Protect Properly: Introducing SMS Authentication for “Light Usage”

SMS authentication is not just for large-scale services. Even with a small number of users, security should never be compromised. Xoxzo has long supported small businesses and individual developers by meeting the need for light usage SMS authentication.

2025/12/16 · Aiko Yokoyama

Industry

When SMS Doesn’t Arrive: Voice Call Authentication as an Alternative

When SMS delivery is unreliable, voice call text-to-speech authentication can be an effective alternative. It works even with landlines and improves accessibility for a wider range of users.

2025/11/21 · Aiko Yokoyama

Tutorials

Making a Simple Playback Call

Let's get started on your first adventure with voice!

2021/11/08 · Miko-chan

Tutorials

Voice authentication using Text To Speech (TTS)

This tutorial shows you how to read your auth code using TTS via a single API call

2021/11/01 · Miko-chan

Tutorials

0120 isn’t the only toll-free option for callers!

The prefix for Toll-free numbers in Japan is not 0120 only You can use the prefix of 0800 for the same purpose. Collaborating with Xoxzo's API, you can transfer the received call to your convenient number, using Xoxzo's TTS (text-to-speech) function to answer the call with your favorite message, customise according to your needs and get the call-receipt data without hastle.

2021/10/28 · Aiko Yokoyama