Outage report · Major outage

Yousign outage on Dec 4, 2025

V2 & V3 - Access to products v2 & v3 unavailable

SeverityMajor outage

StartedDec 4, 2025, 11:20UTC

ResolvedDec 4, 2025, 12:22UTC

Duration1h 2m

What happened

Yousign reported a major outage starting Dec 4, 2025, 11:20 UTC, affecting API V2 - https://api.yousign.com, APP V3 - https://yousign.app, APP V2 - https://webapp.yousign.com, API V3 - https://api.yousign.app. It was marked resolved at Dec 4, 2025, 12:22 UTC.

The incident lasted 1h 2m from first report to resolution.
Yousign had reported 6 other partial or major outages in the 90 days before it.
5 other vendors we track reported a significant incident within 12 hours of it.

Latest update from Yousign

**Impact and Incident Resolution Report** Dear Yousign users, On December 4th, 2025 at 12:09 CET, our services experienced delays in signatures. The resolution required a hardware intervention at 12:46 CET which led to service unavailability. With the end of the intervention, all services were fully restored at 12:57 CET and delay returned to normal at 13:10 CET. Below is a detailed explanation of the events and the actions being taken. ## Summary of the incident A network malfunction occurred on one of the components of our load balancing layer, responsible for directing incoming traffic to our application services. The load balancer entered again in a faulty state. During this period, Yousign applications and API were still available but delaying signatures \(including eSeal\). After investigation, the engineering team had to perform hardware intervention on the faulty equipment in order to restore nominal state. In the mean time, all services were unreachable between 12:4

Read Yousign's official incident report ↗