FAQ

SMS Features

What kind of Sender ID are supported?

When a company in Japan sends SMS to their customers in Japan, we can support Japanese fixed, Toll Free, IP number etc.
When international customers send SMS to their customers in Japan, we support international numbers, alphanumeric, and more.
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For details, please contact us through the inquiry form on our website.

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Other

How can I register a Sender ID?

How many accounts can I have?

How long will it take for an A2P SMS to be sent?

How do I register a Sender ID?

How do I send an SMS?

How does an enterprise connect with Rakuten CPaaS SMS API?

How many characters can be sent in a single message?

What happens if a user’s cell phone is temporarily out of reach?

How much does it cost for users roaming overseas to receive SMS?

If a user fails to receive an SMS, how can I check the cause?

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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?

See the category list

SMS Features

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

Can A2P SMS be sent outside Japan?

See the category list

Error & Logs Retry

Can I download statistical results?

Where can Call Detail Records (CDRs) be accessed?

See the category list

Commercial

How can I delete my account?

How many accounts can I have?

See the category list

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