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.