Outage in Fivetran
3rd Party: Some Reddit Ads connections are failing with HTTP 401 Unauthorized Error
Resolved MinorIncident Report
The issue has been identified and we are working to resolve it.
Components affected
Fivetran Reddit AdsTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
3 months ago - at 01/29/2026 10:01AM
This incident has been resolved. We have observed that instance rates are returning to normal levels, and affected connectors are syncing successfully.
Incident Summary
Description:
We identified an issue where the Reddit connectors were failing with HTTP 401 (Unauthorized) errors.
Timeline:
This issue began on 29-01-2026 at 03:00 UTC and was resolved on 29-01-2026 at 09:00 UTC.
Cause:
Reddit introduced a change in behavior where the API was expected to return a 500 error when data was not yet ready for retrieval. However, in practice, the API began returning 401 errors instead.
Resolution:
We observed that the 401 errors were transient and resolved upon retry. As a mitigation, we implemented retry logic while we await a more permanent fix from Reddit.
MONITORING
3 months ago - at 01/29/2026 09:20AM
A fix has been implemented and we are monitoring the results.
IDENTIFIED
3 months ago - at 01/29/2026 06:45AM
The issue has been identified and we are working to resolve it.
Latest Fivetran outages
Some syncs are failing starting at 8AM Pacific time. - 4 days ago
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