# News: Notice about Flex Message Simulator outage (resolved)

Notice about Flex Message Simulator outage (resolved)

We'd like to inform you about a service outage regarding Flex Message Simulator. The issue has now been resolved but we sincerely apologize for any inconvenience that this may have caused.

# Date and time of outage

January 21, 2020 13:03 JST (GMT+9) - January 22, 2020 11:59 JST (GMT+9)

# Cause

Issues with our servers.

# Affected services

Flex Message Simulator (https://developers.line.biz/flex-simulator/)

# Details

During the specified time, Flex Message Simulator was inaccessible.

LINE will continue to improve the quality of its services to prevent future outages. Thank you for your understanding.