New Multi-region uptime checks and custom-domain status pages

Formstack Outage History

Daily status observations, past incidents, and reported issue history for Formstack.

Checking current status...
90.1% of 91 observed days had no reported issue

90-Day Trend

May 28Aug 25

Monthly Status Summary

Month Issue-free days Days Tracked Days with Issues
August 2026 92% 25 2
July 2026 83.9% 31 5
June 2026 96.7% 30 1
May 2026 80% 5 1

This percentage summarizes normalized provider-status observations by calendar day. It is not duration-based, component-weighted, or contractual uptime. See the methodology and limitations.

Daily Status (Last 91 Days)

May 27 Today
Operational Degraded Partial Outage Major Outage Maintenance No Data

Incident History

August 2026
Formstack Forms: Confirmation Email Delivery Issues
minor 62h 12m

Started:

Email System (SendGrid)
monitoring
The issue affecting confirmation email delivery to Microsoft-hosted email addresses has been resolved. Confirmation emails should now be delivered as expected moving forward. We will continue to monitor for any additional issues.
investigating
We are currently investigating an issue where some customers may receive unexpected account deactivation notifications related to bounced confirmation emails. Our team is actively working to identify the cause. We will provide additional updates as more information becomes available.
Formstack Forms: Application Unavailable
critical 125h 52m

Started:

monitoring
As of 4:30pm EST Formstack Forms is available, and form submissions through the web interface are now processing as expected. Our team is continuing to monitor the service to ensure stability.
investigating
We are currently experiencing an outage affecting Formstack Forms that started at 4:03pm EST. The application is unavailable and returning 504 errors. Form submissions through the web interface are also unavailable. API submissions are still working. Our team is actively investigating the issue and working to restore service. We will provide updates as more information becomes available.
Microsoft 365 Service Issue Impacting Formstack Documents Email Delivery
minor 132h 16m

Started:

identified
Microsoft has completed its investigation and confirmed that Exchange Online remained healthy throughout the event. The issue has been identified as a DNS-related problem affecting Proofpoint, a third-party email service used to route external email traffic. Proofpoint has identified the root cause and is currently working to recover affected services. Formstack Documents customers whose Microsoft 365 email traffic is routed through Proofpoint may experience failed email deliveries or DNS-r...
investigating
Microsoft is currently experiencing an Exchange Online service issue that may impact customers using Microsoft 365 to send email through Formstack. Customers using Microsoft 365 to send merged documents through Formstack may experience merge errors and failed email deliveries. Customers may also encounter an error when attempting to authenticate or re-authenticate their Microsoft 365 email connection. No other Documents delivery services are impacted. Microsoft is working to restore service. ...
July 2026
Forms for Salesforce: Form Migration Issues Affecting Large Forms
minor 797h 54m

Started:

identified
We are continuing to work on a fix for this issue.
identified
We have identified an issue affecting form migrations for a limited number of customers with very large forms. These migrations may fail or experience unexpected issues. While our team works toward a resolution, please refrain from migrating very large forms. We do not expect to have a substantive update before Monday, July 20. We will share additional information as it becomes available. Thank you for your patience and understanding.
investigating
We have identified an issue impacting the migration of large forms. While our team investigates, please refrain from migrating large forms to avoid potential issues or failed migrations. We are actively working to identify the root cause and will provide updates as more information becomes available. Thank you for your patience and understanding.
Formstack Documents: Users Unable to Access Document Builder
major 1189h 48m

Started:

identified
The issue has been identified and a fix is being implemented.
investigating
We are currently investigating reports of users receiving errors when accessing Formstack Documents through the OnlyOffice builder experience. At this time, we are seeing impact specifically related to the OnlyOffice builder. Native builder functionality, Manage Files access, and PDF uploads are currently operating as expected. Our team is actively working to identify the root cause and assess the full scope of impact. Additional updates will be provided as more information becomes available.
June 2026
Users Unable to Save, Publish, or Duplicate Forms
major 1691h 43m

Started:

identified
The issue has been identified and a fix is being implemented.
investigating
We are investigating reports that some users are unable to save changes to existing forms, publish form updates, or duplicate forms within Formstack Forms for Salesforce. Our team is actively reviewing the issue and gathering information to determine the scope and root cause. Based on our initial investigation, the issue appears to be related to Salesforce Summer '26; however, we are continuing to validate this finding and work toward a resolution. We will provide additional updates as our ...
Forms: Integration Settings Page Not Loading
minor 1691h 46m

Started:

monitoring
A fix has been implemented and we are monitoring the results.
identified
We are currently investigating an issue where the Integration Settings page is not loading for some users. Our team has identified the underlying cause and is actively working on implementing a fix.
Document Creation, Upload and Save Functionality Unavailable
critical 1693h 12m

Started:

monitoring
A fix has been implemented and we are monitoring the results.
identified
We have identified the cause of the issue affecting document creation, uploads, replacements, and saving. A fix has been developed and is currently being prepared for deployment. We expect the fix to be implemented within the next hour. Document generation and merge functionality continue to operate normally and are not impacted by this issue. We will provide another update once the fix has been deployed or if our timeline changes.
investigating
We are currently investigating reports of users are unable to create, upload, replace, or save documents. Our team has confirmed the issue and is actively working to identify the root cause. We will provide updates as more information becomes available. At this time, document generation and merge functionality continue to operate normally and are not impacted by this issue.Thank you for your patience while we work to resolve this.
May 2026
Streamline: Workflow Session Failures with Data Search Step
minor 2003h 40m

Started:

monitoring
We are continuing to monitor for any further issues.
monitoring
We have implemented a fix and are continuing to monitor workflow session performance to ensure stability.
identified
We are investigating an issue affecting some in progress workflow sessions that include the Data Search step. Our engineering team is actively working on a fix. New updates will be shared as we learn more.
Formstack Documents Returning 404 Errors When Accessing Documents and Builder Tabs
minor 2196h 36m

Started:

identified
The issue has been identified and a fix is being implemented.
investigating
We are currently investigating reports of users receiving 404 errors when accessing Formstack Documents through the OnlyOffice builder experience. At this time, we are seeing impact specifically related to the OnlyOffice builder. Native builder functionality, Manage Files access, and PDF uploads are currently operating as expected. Our team is actively working to identify the root cause and assess the full scope of impact. Additional updates will be provided as more information becomes availa...
reCaptcha Verification Login Loop
major 2387h 15m

Started:

investigating
We are currently investigating an issue where reCAPTCHA verification during login is looping back to the verification step for a limited number of accounts. Our team is actively investigating the root cause.
investigating
We are currently investigating an issue where reCAPTCHA verification during login is looping back to the verification step for a limited number of accounts. Our team is actively investigating the root cause.
Investigating intermittent Salesforce Delivery authentication and merge failures.
2409h 47m

Started:

monitoring
We have implemented a fix and are currently monitoring the results.Some customers may still need to re-authenticate their Salesforce connection before Salesforce Delivery resumes successfully. If you continue to experience merge or delivery failures, please re-authenticate your Salesforce connection and retry the affected delivery. We will continue monitoring the situation and provide additional updates as needed.
identified
The issue has been identified and a fix is being implemented.
investigating
Due to recent Salesforce OAuth/security changes, some customers may experience Salesforce Delivery/authentication failures. Affected users may experience merge or delivery failures accompanied by errors such as: “INVALID_SESSION_ID: Session expired or invalid” “Could not refresh your Salesforce access token” In some cases, re-authenticating the Salesforce connection temporarily restores functionality, though reports indicate the issue may recur.Our Engineering team is actively inves...
Streamline: Workflow Issue Between Forms and Document Steps with Mapping
minor 2479h 53m

Started:

monitoring
We have identified an issue in Streamline workflows where workflow sessions may experience unexpected behavior when transitioning from a Forms step to a Document step with field mappings configured between the steps. A fix has been implemented, and we are currently monitoring the results.
identified
We have identified an issue in Streamline workflows where workflow sessions may experience unexpected behavior when transitioning from a Forms step to a Document step with field mappings between the steps. Our team is currently working on a fix.
Customers intermittently prompted to sign in while signing Formstack Sign documents
minor 2479h 58m

Started:

investigating
We are investigating reports of customers being intermittently prompted to sign in while signing Formstack Sign documents.
April 2026
Formstack Sign API Not Updating Document Status
minor 2699h 4m

Started:

monitoring
A fix has been implemented and we are monitoring the results.
identified
The issue has been identified and a fix is being implemented.
investigating
We are currently investigating an issue where the Formstack Sign API may not reflect updated document statuses after the signing process is completed. Signing workflows are completing successfully, but some integrations may not receive the correct status updates. Our team is actively working to identify and resolve the issue.
Streamline Experiencing Errors in Project Workflows
major 2820h 44m

Started:

identified
The issue has been identified and a fix is being implemented.
investigating
We are continuing to investigate this issue.
investigating
We are currently investigating reports of errors affecting some Streamline projects. Impacted users may see a “Something went wrong” message while progressing through affected workflows. Our engineering teams have identified a likely frontend issue introduced in a recent deployment and are actively working to confirm root cause and prepare remediation. We will provide another update as soon as more information is available.
Streamline Workflow Session Disruption
minor 3061h 11m

Started:

identified
The issue has been identified and a fix is being implemented.
investigating
We are investigating an issue affecting workflow sessions in Streamline (us.streamline.intellistack.app), where users may be unable to run sessions in production. Workaround: As a temporary solution, replace intellistack.app with formstack.app in Session URLs.
Forms: Partial Submissions Unavailable
minor 3154h 2m

Started:

identified
Partial Submissions in Formstack Forms are currently unavailable. The issue has been identified, and the engineering team is actively working on implementing a fix while systems are being closely monitored.
Sign: Blank page when logging in
critical 3228h 27m

Started:

monitoring
A fix has been released for the issue causing a blank screen after login. You can now be able to successfully log in and access the application.
identified
We have identified the cause of an issue where customers experience a blank screen after logging in. Our team is actively working on implementing a fix.
Streamline: Intermittent Workflow Publish Failures
minor 3371h 52m

Started:

identified
We are continuing to work on a fix for this issue.
identified
We are currently experiencing an issue where some workflows may fail to publish. This does not impact live workflows or active sessions; however, publishing a new version may fail for some workflows. Our team has identified the root cause and prepared a fix. We are working to deploy the solution and will provide updates as progress continues.
March 2026
Formstack Sign: Document Upload Delays and Failures
minor 3392h 46m

Started:

investigating
We are currently investigating an issue affecting Formstack Sign that may cause failures or delays when uploading documents.
Users Unable to Access Workspace via Workflows Pro
minor 3415h 33m

Started:

identified
The issue has been identified and a fix is being implemented.
investigating
We are currently investigating an issue where some Workflows Pro customers are unable to access their Workspace. At this time, all other functionality outside of the Workspace remains operational. Our engineering team is actively working to identify the root cause. We will provide updates as more information becomes available.
Incorrect Document Output in Sign Flows with Separate Delivery Enabled
minor 3678h 7m

Started:

identified
The issue has been identified and a fix is being implemented.
investigating
We are currently investigating reports of incorrect document output in Formstack Sign for workflows configured to return documents separately. Affected users may experience documents being combined, incorrectly split, out of order, or missing from the final output. Our engineering team is actively working to identify the root cause and implement a resolution.
Email Delivery Disruption
major 3727h 4m

Started:

monitoring
A fix has been implemented and we are monitoring the results.
identified
The issue has been identified and a fix is being implemented.
investigating
We are currently investigating an issue impacting email delivery, resulting in some messages not being delivered. Our team is actively working to restore full service and will provide updates as more information becomes available.
Streamline: Notifications not sending
minor 3730h 39m

Started:

monitoring
A fix has been implemented for the issue affecting Streamline Notifications where notification steps were not sending as expected. Workflows are now sending notifications correctly. SMS notifications were not impacted during this incident.
investigating
We are investigating an issue affecting Streamline Email Notifications where notification steps may not send as expected. Impacted workflows do not fail and may appear to complete successfully, but notification steps can silently fail to deliver notifications. SMS notifications are not impacted and are sending as expected. Our team is actively investigating the root cause. We will share another update as soon as we have more information.