Incident

Apology for the Issue | Resolved | Coupon Distribution

copainter experienced an outage on Oct 11 due to a notification issue, now resolved. As an apology, users can redeem a coupon for 10 tickets by Oct 18.

Thank you for using copainter.

During the period below, some users were unable to access copainter:

Incident period: Oct 11, 2025, 02:14 – around 10:10 (JST)
Cause: A data inconsistency occurred in the notification feature
Current status: Resolved

We sincerely apologize for the inconvenience and trouble this caused. We will work to prevent similar issues from happening again.

As an apology, we have prepared a coupon that grants 10 tickets.
Please enter the code from My Page → “Coupons” to redeem it.

Coupon expiration: 2025/10/18 23:59:59 (JST)
Coupon code: QJA_Z3HH6CVEY

Thank you for your continued support of copainter.

Claim your coupon.

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