FAQ

SMS Delivery Method

How many characters can be sent in a single message?

Up to 660 characters (Latin or double-byte) can be sent in a single message.
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Please note, within a single A2P SMS, up to 70 double-byte characters and 160 Latin characters can be sent.
Anything exceeding this will be split into multiple parts of a concatenated message. It will be seen as one A2P SMS by the end use.

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?

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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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