Heroku
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Last 30 Days
3 incidents
Incidents in the last 30 days
Investigating an issue with elevated H99 Errors minor
Beginning at 23:17 UTC on September 24, 2025 and continuing until 00:39 UTC on September 25, 2025, impacted customers experienced elevated H99 errors on network runtime in US & EU. This issue is now resolved.
Heroku
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Started 21 days ago
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Resolved in about 14 hours
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3rd-Party Service
Investigating an Issue with Heroku AI responses for gpt-oss-120b model minor
Heroku engineers are investigating a decline in successful API responses from the gpt-oss-120b AI model in US region.
Heroku
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Started 24 days ago
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Resolved in about 9 hours
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3rd-Party Service
Issue with DNS for New Apps and Domains minor
The upstream DNS issue impacting Heroku has been resolved. Customers should no longer see errors, though some may continue to experience degraded performance as services stabilize. We are actively monitoring the situation to ensure full reliability and will provide further updates as needed.
Heroku
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Started 29 days ago
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Resolved in about 19 hours
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3rd-Party Service