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FAQ

SMS Delivery Method

Can I send promotional/marketing A2P SMS?

Yes, you can. However, it is necessary to distribute appropriate content in accordance with the Act on the Protection of Personal Information and other applicable laws.
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Please contact us through the inquiry form on our website.

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Other

Q

Why was my A2P SMS rejected?

Q

What kind of Sender ID are supported?

Q

What is the connection method to the API?

Q

What kind of content can be sent in an SMS?

Q

What happen if the user replies to a received SMS ?

Q

What are the billing rules?

Q

What is the maximum number of concatenated A2P SMS parts that can be sent in a single message?

Q

If I want to send SMS outside of Japan, does the cost differ for each country?

Q

Why is the cost different between A2P SMS and P2P SMS?

Q

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

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KEYWORD  Search by keyword

Sender ID
API
Cost
Base fee

CATEGORY  Search by category

SMS Overview

Q

What kind of content can be sent in an SMS?

Q

Why is the cost different between A2P SMS and P2P SMS?

See the category list

SMS Delivery Method

Q

What is the connection method to the API?

Q

Is it necessary to specify the carrier when sending the API?

See the category list

SMS Features

Q

What kind of Sender ID are supported?

Q

What happen if the user replies to a received SMS ?

See the category list

Error & Logs Retry

Q

Why was my A2P SMS rejected?

Q

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

See the category list

Commercial

Q

What are the billing rules?

Q

Can I test my account before it is created?

See the category list
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