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FAQ

Error & Logs Retry

My SMS request was rejected due to invalid authentication. What should I do?

For details, please refer to the API Documentation.
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If you didn't find a solution, please contact your account manager or sales representative.

Other

Q

What kind of content can be sent in an SMS?

Q

What is the connection method to the API?

Q

What kind of Sender ID are supported?

Q

Why was my A2P SMS rejected?

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KEYWORD  Search by keyword

Sender ID
API
Cost
Base fee

CATEGORY  Search by category

SMS Overview

Q

Are A2P SMS and P2P SMS the same?

Q

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

See the category list

SMS Delivery Method

Q

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

Q

Can I send promotional/marketing A2P SMS?

See the category list

SMS Features

Q

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

Q

Can A2P SMS be sent outside Japan?

See the category list

Error & Logs Retry

Q

Can I download statistical results?

Q

Where can Call Detail Records (CDRs) be accessed?

See the category list

Commercial

Q

How can I delete my account?

Q

How many accounts can I have?

See the category list

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