Articles / SMS

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

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

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
Send Your First SMS with Xoxzo API

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
Implementing Two-Factor Authentication (2FA) with the OTP API

Tutorials

Implementing Two-Factor Authentication (2FA) with the OTP API

Learn how to implement secure, simple, and cost-effective two-factor authentication using Xoxzo's new OTP API.

2025/08/15 · Miko-chan
We are recruiting distributors

Business

We are recruiting distributors

Please suggest your clients the great business-boost with our service!

2023/04/27 · Aiko Yokoyama
How to set up Two-Factor Authentication using SMS

Tutorials

How to set up Two-Factor Authentication using SMS

Let's learn how to add Two-Factor Authentication on your Web-applications

2021/11/22 · Akira Nonaka
SMS shortcodes for Japan

Industry

SMS shortcodes for Japan

Shortcodes finally comes to Japan.

2021/06/30 · Iqbal Abdullah
SMS Marketing: Best Practices in 2021

Industry

SMS Marketing: Best Practices in 2021

SMS Marketing: Best Practices in 2021

2021/01/20 · Jocelyn ter Morsche
A brief history of SMS technology

Industry

A brief history of SMS technology

The origin of SMS technology and how it was first used

2018/09/25 · Ai Sin Chan
User experience on Xoxzo API (Part 2)

Tutorials

User experience on Xoxzo API (Part 2)

User experience on Xoxzo API

2018/07/03 · Ai Sin Chan

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