3rd Party: Few HubSpot Connection Syncs Failed Due to 503 Service Unavailable Error

Incident Report for Fivetran

Resolved

Description:
We identified an issue with HubSpot connections, which resulted in syncs failing with the error: Your HubSpot source is not available at this time. We'll retry the sync later.

Timeline:
This issue began on Dec 14, 2025, at 14:07 UTC and was resolved on Dec 14, 2025, at 14:47 UTC.

Cause:
We received an HTTP 503 Service Unavailable error for the ASSOCIATION_TYPE endpoint.

Resolution:
The issue was automatically resolved on the source side. We stopped receiving errors after 14:47 UTC, indicating that the source system restored normal operations.

Posted Dec 14, 2025 - 15:42 UTC