Vital experienced a major incident on December 8, 2025 affecting Junction API (US), lasting 10h 25m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Dec 08, 2025, 12:42 AM UTC
PSC Appointment Scheduling API for Quest Diagnostics is experiencing an outage since Sunday December 7 7:08 PM ET. As a result, the following Junction API endpoints are impacted: - /v3/order/psc/appointment/availability - /v3/order/{orderid}/psc/appointment/book - /v3/order/{orderid}/psc/appointment/reschedule - /v3/order/{orderid}/psc/appointment/cancel - /v3/order/psc/appointment/cancellation-reasons - /v3/order/{orderid}/psc/appointment The issues are intermittent and you may observe 500 Internal Server Error responses. Our team has escalated this issue with Quest, and is monitoring the situation for a resolution. We will provide updates as they become available.