HubSpot incident
UI extensions from integrations are not loading
HubSpot experienced a notice incident on January 20, 2026 affecting CRM and Sales Tools and 1 more component, lasting 34m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Jan 20, 2026, 05:43 PM UTC
We are investigating an issue impacting integration UI extensions. We will provide an update when we have more information. The information on this page reflects our understanding of the incident and impact at the time of the update.
- resolved Jan 20, 2026, 06:17 PM UTC
Between 11:47 AM (UTC -05:00) and 01:05 PM (UTC -05:00), customers in all regions experienced issues loading app cards and UI extensions in HubSpot. This was caused by a load balancer misconfiguration. As of 01:05 PM (UTC -05:00), our app cards and UI extensions are working properly and the incident has been fully resolved. No data was lost. HubSpot conducts a thorough review after each incident to understand the cause and prevent it from happening again. Learn more about HubSpot's commitment to reliability at www.HubSpot.com/reliability. The information on this page reflects our understanding of the incident and impact at the time of the update.