Outage in Fiskaly
Authentication Server Restart
Resolved MinorIncident Report
Yesterday, 29.10.2025, at 22:48 CET (21:48 UTC), we experienced an unplanned restart of our authentication service.
As a result, refresh tokens were invalidated and can not be used for re-authenticating.
In this case, please authenticate using API Secret and API Secret instead.
Please make sure your implementation uses
ApiKeyAuthentication if RefreshTokenAuthentication fails with a 401 HTTP status code response.
We apologize for the inconvenience.
Trusted by 1,000+ teams
Never miss outages in third-party dependencies
Stop finding out about outages from your users. Monitor 6,320+ cloud services and get alerted the second something breaks.
Latest Updates ( sorted recent to last )
RESOLVED
6 months ago - at 10/30/2025 09:20AM
Yesterday, 29.10.2025, at 22:48 CET (21:48 UTC), we experienced an unplanned restart of our authentication service.
As a result, refresh tokens were invalidated and can not be used for re-authenticating.
In this case, please authenticate using API Secret and API Secret instead.
Please make sure your implementation uses ApiKeyAuthentication if RefreshTokenAuthentication fails with a 401 HTTP status code response.
We apologize for the inconvenience.
Latest Fiskaly outages
SUBMIT DE: Increased number of timeouts and errors - 18 days ago
SIGN IT - Rare Authentication Performance Issues - about 1 month ago
SIGN DE - Increased error rate - 2 months ago
SIGN IT - Temporary 500 and timeout errors - 2 months ago
SIGN DE v2 degraded performance - 2 months ago
Never miss outages in third-party dependencies
With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.
Start free trialNo credit card required · Cancel anytime · 6320 services available
Integrations with
