Industry

Sometimes, the Kindest Message Is the One That Doesn’t Require a Reply

Most communication tools are designed with replies in mind. SMS is different. It asks for no reply, no read receipt, and creates no psychological pressure. This article gently explores why SMS continues to be used for authentication and notifications.

2026/01/16 · Aiko Yokoyama

Industry

SMS Authentication vs Social App Authentication: Which Is More Reliable for Identity Verification?

A comparison of SMS authentication and social app authentication (e.g., LINE), focusing on their reliability, verification strength, and the use cases each method is best suited for.

2025/12/03 · 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

Industry

What to Do When an SMS Doesn't Arrive: 3 Things to Check

Here are three key things to check when an SMS doesn't arrive. Learn the difference between SMS and email, how to check the Plus Message app, and how to review your international SMS settings.

2025/11/14 · Aiko Yokoyama

Tutorials

Send Your First SMS with Xoxzo API

Learn how to send your very first SMS using the command line and the Xoxzo API. Prepare your API credentials and try sending a message in just one command.

2025/08/20 · Xoxzo Team