Junction experienced a major incident on September 28, 2025 affecting Junction API (US), lasting 7h 56m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Sep 28, 2025, 01:03 PM UTC
PSC Appointment Scheduling API for Quest Diagnostics is experiencing an outage since Sunday September 28 07:30 AM ET. 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.
- resolved Sep 28, 2025, 08:59 PM UTC
Hi everyone, The earlier outage affecting the Quest Diagnostics Appointment Scheduling has resolved. The API has stablized and resume normal operation since 2:00 PM Eastern Time. Thank you for your patience while we monitor the recovery and stability of upstream Quest API Appointment Scheduling services over the past few hours, and we’re sorry for any disruption this may have caused! Please let us know if you have any further issues. —The Junction Team