Yousign experienced a major incident on December 18, 2025 affecting APP V3 - https://yousign.app and API V3 - https://api.yousign.app, lasting 6h 6m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Dec 18, 2025, 10:59 AM UTC
Since 11:54 AM, we have been experiencing instabilities affecting our applications and API, resulting in intermittent access to the services. We will keep you informed of any updates and will confirm once the situation is fully resolved.
- monitoring Dec 18, 2025, 11:19 AM UTC
Incident Update – Delay in document archiving and audit trails Dear users, As of 12:06 PM (CET), the application and the v3 API are stable and fully operational. At this stage, the root cause has not yet been clearly identified. Our teams remain fully mobilized, actively monitoring the platform and continuing the investigation to determine the origin of the incident. We will share further updates as soon as more information becomes available. Thank you for your patience and understanding.
- resolved Dec 18, 2025, 05:06 PM UTC
Dear users, We have not observed any new events since the service stabilization. The application and the v3 API remain fully operational. At this stage, the incident is considered closed on our side. We are now awaiting the post-mortem from our infrastructure provider, OVH, to better understand the underlying cause of the issue. Thank you for your patience throughout this incident. We apologize for any inconvenience caused. Our support teams remain available should you need any further assistance.