[SANDBOX] [PARTIAL OUTAGE] [3DSecure] - Some merchants may experience disruption on 3DS transactions with challenge

Incident Report for Payline

Resolved

This incident has been resolved.
Posted Sep 24, 2025 - 10:50 CEST

Identified

Impacted: merchants using SANDBOX 3DSecure solutions on payment processing with 3DS challenge

Symptoms:
- Payment sessions may end up being expired for merchants using Payline web pages
- 3DSecure authentication may not be possible
- Merchants may notice an increase in "02324 - session expired" messages

Date: from 9.30 AM CET
Root Cause : Partner

We are contacting the partner to resolve the issue as quickly as possible.

Monext Online Team
Posted Sep 24, 2025 - 10:00 CEST
This incident affected: Sandbox.