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Editor's pick

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
[Xoxzo] Introducing “SMS Definitive Authentication”

Announcements

[Xoxzo] Introducing “SMS Definitive Authentication”

User verification is essential for any app or web service. But in today’s fast-paced development environment, you don’t want to waste valuable time building authentication from scratch. Xoxzo, a pioneer in the SMS industry, proudly launches its new service “SMS Definitive Authentication” — enabling you to implement OTP verification with just 3 simple APIs. And at just 3 yen per SMS (our survey), it’s one of the most cost-effective solutions available, helping you deliver trust and security to your users while saving both time and cost.

2025/08/12 · Aiko Yokoyama
Simplify Your Incoming Call Logic with the New Action URL Feature!

Announcements

Simplify Your Incoming Call Logic with the New Action URL Feature!

Introducing Action URL: Easily configure how your Dial-In Numbers respond during active hours, inactive hours, or anonymous calls — all from your browser.

2025/08/07 · Aiko Yokoyama
EZSMS Now Supporting Up to 660 Characters per SMS!

Announcements

EZSMS Now Supporting Up to 660 Characters per SMS!

EZSMS, the sister service of Xoxzo, now supports long SMS messages of up to 660 characters—just like Xoxzo! Get your message across without breaking the bank with low-cost SMS, an efficient alternative to physical direct mail. Make the most of the expanded messaging options.

2025/07/17 · Aiko Yokoyama
[Xoxzo] SMS Character Limit Expanded to 660!

Announcements

[Xoxzo] SMS Character Limit Expanded to 660!

According to the GSM specification, a single SMS in Japanese is limited to 70 characters. But what if you need to send more? With Xoxzo’s SMS API, you can now send messages up to 660 characters long — all from a mobile number, and at a lower cost than traditional direct mail.

2025/06/03 · Aiko Yokoyama
Price deduction on Kpremium SMS sending

Announcements

Price deduction on Kpremium SMS sending

Domestic Direct Network Transmission and K Premium Service are now more accessible! Thanks to a price revision, we've successfully lowered the cost. Enjoy seamless messaging with number sender ID settings.

2025/02/27 · Aiko Yokoyama
[Xoxzo] Mail2SMS Upgrade!

Announcements

[Xoxzo] Mail2SMS Upgrade!

With just a few presetting on the dashboard, convert email to SMS messages and send. Now this feature has an extra functionality!

2025/02/21 · Aiko Yokoyama

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CATEGORIES

  • Announcements
  • Business
  • Community
  • Engineer Interviews
  • Engineering
  • Events
  • Industry
  • Press Release
  • The Way We Work
  • Tutorials
  • Use Cases

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