We'd like to inform you about a service outage regarding the Messaging API. The issue has now been resolved but we sincerely apologize for any inconvenience that this may have caused.
# Date and time of outage
- Date: February 20, 2019
- Time: Approximately 18:45-19:02 and 19:10-19:26 (GMT+9)
# Cause of the outage
Issue with our servers.
The Messaging API experienced errors with error code 403 or 500 during the outage.
We will continue to improve the quality of the services we provide to our developers and we greatly appreciate your understanding.