Outage in Intellistack
Formstack Sign API Authentication Issues
Resolved MinorIncident Report
We are investigating reports that some Formstack Sign customers are unable to send documents through the API. Affected requests may return a “Request requires authentication” error despite successfully generating an access token. Some customers may also see a null API secret within their account.
Our team is actively investigating and will provide additional updates as more information becomes available.
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Latest Updates ( sorted recent to last )
RESOLVED
5 days ago - at 09/30/2026 10:28PM
All known issues with the Sign API and our authentication migration are now resolved and complete.
MONITORING
6 days ago - at 09/29/2026 07:24PM
A fix has been implemented and we are monitoring the results.
IDENTIFIED
6 days ago - at 09/29/2026 03:58PM
The issue has been identified and a fix is being implemented.
INVESTIGATING
7 days ago - at 09/29/2026 02:49PM
We are investigating reports that some Formstack Sign customers are unable to send documents through the API. Affected requests may return a “Request requires authentication” error despite successfully generating an access token. Some customers may also see a null API secret within their account.
Our team is actively investigating and will provide additional updates as more information becomes available.
Latest Intellistack outages
Sign Integration Authentication Issues - about 9 hours ago
Delayed Documents Deliveries After Sign Completion - 5 days ago
Documents with Sign Delivery are failing - 7 days ago
Formstack Sign authentication migration - 7 days ago
Streamline: - 14 days ago
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