Articles / Announcements
![[Xoxzo] Introducing “SMS Absolute Authentication”](https://blog.xoxzo.com//images/thumbnails/350x_/otp-api.jpg)
Announcements
[Xoxzo] Introducing “SMS Absolute 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 Absolute 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 ·
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 ·![[Xoxzo] SMS Character Limit Expanded to 660!](https://blog.xoxzo.com//images/thumbnails/350x_/longsms-en.png)
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 ·
![[Xoxzo] Mail2SMS Upgrade!](https://blog.xoxzo.com/images/mail2sms/thumbnails/350x_/mail2sms-icon.png){kind=icon}
Announcements
Termination for Receive SMS messages API
SMS In Numbers (SIN = SMS In Numbers) allow you to subscribe to a phone number and receive SMS. When an incoming message is received on the subscribed number, it will make a POST request to the specified URL and send the incoming data. This service will be discontinued at the end of March.
2024/03/26 ·