FAQ

SMS Overview

What kind of content can be sent in an SMS?

The main use cases are as follows:

Two-Factor Authentication (2FA)
Alerts and Notifications
Marketing

Please ensure compliance with all applicable laws. Additionally, it is necessary to demonstrate the presence of appropriate opt-in/opt-out systems.
For more information on SMS marketing, please contact your representative.
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Furthermore, it is important to note that SMS from applications to individuals (A2P) and SMS from individuals to individuals (P2P) are different.
The content being sent should not be conversational but should provide specific business functions as mentioned above.

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Other

What kind of content can be sent in an SMS?

What is the connection method to the API?

What kind of Sender ID are supported?

Why was my A2P SMS rejected?

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SMS Overview

Are A2P SMS and P2P SMS the same?

To which handsets can SMS be sent? Are there any handsets that cannot receive them?

See the category list

SMS Delivery Method

Are there any restrictions on the content that can be sent?

Can I send promotional/marketing A2P SMS?

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SMS Features

Are emojis supported? What happens if I try to send an emoji?

Can A2P SMS be sent outside Japan?

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Error & Logs Retry

Can I download statistical results?

Where can Call Detail Records (CDRs) be accessed?

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Commercial

How can I delete my account?

How many accounts can I have?

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