Yousign outage on Dec 18, 2025

What happened

Yousign reported a partial outage starting Dec 18, 2025, 10:59 UTC, affecting APP V3 - https://yousign.app, API V3 - https://api.yousign.app. It was marked resolved at Dec 18, 2025, 17:06 UTC.

• The incident lasted 6h 6m from first report to resolution.
• It was the longest significant outage Yousign reported in the 12 months up to it.
• Yousign had reported 8 other partial or major outages in the 90 days before it.

Latest update from Yousign

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.

Read Yousign's official incident report ↗

What our independent monitoring saw

Our independent monitoring of Yousign started after this incident, so this report is based on Yousign's status page.

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