We'd like to inform you about a service outage regarding the Messaging API. The issue has now been resolved. We apologize for any inconvenience that this may have caused.
# Date and time of outage
Date: September 11, 2019 Time: 17:00–18:30 JST (GMT+9)
Date: September 12, 2019 Time: 13:00–13:30 JST (GMT+9)
Server outage due to heavy load.
# Affected services
All Messaging API endpoints (https://api.line.me/v2/bot/*).
The API returned status code 500 for some requests. Also, the "Send reply message" endpoint (https://api.line.me/v2/bot/message/reply) returned error codes in the 400 range, even for correct requests.
LINE will continue to improve the quality of its services to prevent future outages. Thank you for your understanding.