# Iterable change history Filter: kind=all. Query: `?kind=notable|all|pages|pricing|trust|legal|incident|incident_edit|incident_deleted|incident_update&history=&page=N`. Company profile: [Iterable](https://rewindex.com/company/iterable.md) ## Changes by kind | Kind | Changes | Notable | Latest (UTC) | | --- | --- | --- | --- | | Major incident | 13 | 13 | 2026-07-16 09:27 UTC | ## Timeline | When (UTC) | Kind | Change | Label | Summary | | --- | --- | --- | --- | --- | | 2026-07-16 09:27 UTC | Major incident | [Critical incident: Iterable Application Issues in US Datacenter](https://rewindex.com/change/id2e174a3b68f23.md) | outage | Iterable reported a critical US-region application and API outage starting 2026-07-16 09:27 UTC, resolved at 2026-07-16 10:07 UTC (39 min). Engineering deployed a fix across the US environment; successful logins resumed, and all sends and journeys that may have been delayed were processed by resolution. | | 2026-05-12 23:31 UTC | Major incident | [Critical incident: Iterable Web Application Outage - US and EU Regions](https://rewindex.com/change/ib95574c2b015af.md) | outage | Iterable reported a critical US and EU web application outage from 2026-05-12 23:31 UTC to 2026-05-13 00:08 UTC, lasting 37 min. Customers could not log in and experienced slow page loads; email sends, API traffic, webhooks, and journeys remained unaffected. Engineering deployed a fix in both regions and confirmed normal service. | | 2026-02-24 19:51 UTC | Major incident | [Major incident: Email send delays for some US-hosted SparkPost traffic](https://rewindex.com/change/i681af4ed4194a3.md) | degradation | Iterable reported a major degradation in Global Campaign Sends: US-hosted customers using SparkPost experienced email delays from elevated 5xx errors and Transmissions API latency. It started at 2026-02-24 19:51 UTC and resolved at 2026-02-24 19:52 UTC, lasting 1 minute. EU-hosted traffic and other ESPs were unaffected; SparkPost’s API issue was resolved. | | 2026-02-24 18:18 UTC | Major incident | [Major incident: app.iterable.com was unavailable in the US region, returning 502 Bad Gateway errors to users.](https://rewindex.com/change/i5f9119457574c2.md) | outage | Iterable reported a major US-region outage of app.iterable.com affecting web and API access with elevated 502, 503, and 504 errors; EU users were unaffected. It started at 2026-02-24 18:18 UTC and was resolved at 2026-02-24 18:30 UTC (computed duration: 11 min), after a fix was implemented and traffic fully restored. | | 2025-10-20 13:15 UTC | Major incident | [Major incident: Platform Impact – Third-Party Vendor Disruption (Regional)](https://rewindex.com/change/ie08f8156e4e6af.md) | outage | Iterable reported a major outage affecting its web application, global APIs, sends and Journeys, causing errors, timeouts and delays from 2025-10-20 13:15 UTC to 2025-10-20 21:54 UTC (8 h 39 min). A third-party provider experienced instability and applied regional mitigations. Queued sends cleared, and lingering AI and datasharing latency was resolved. | | 2025-08-08 23:44 UTC | Major incident | [Major incident: Iterable Auth service degraded](https://rewindex.com/change/i51e5bca68d7e3c.md) | outage | Iterable’s Auth service experienced a major degradation affecting access to app.iterable.com from 2025-08-08 23:44 UTC to 2025-08-09 00:29 UTC, lasting 44 min. Iterable addressed an issue in its service and confirmed login recovery; the API was unaffected, and campaigns and journeys continued processing as expected. | | 2025-04-23 06:50 UTC | Major incident | [Major incident: Queries to data stored on C120 cluster are failing](https://rewindex.com/change/ie10a736054ae99.md) | outage | Iterable reported a major C120 outage starting 2025-04-23 06:50 UTC, lasting 40 h 26 min and resolved at 2025-04-24 23:17 UTC. A cluster formation problem caused query failures, campaign impacts and ingestion lag; users triggering journeys via custom events, system events or profile updates did not enter journeys. Engineering restored data and cut over to Cluster 141. | | 2025-03-14 16:56 UTC | Major incident | [Critical incident: Ingestion Delay on Clusters 100 and Above](https://rewindex.com/change/i3f94f1ad47a030.md) | degradation | Iterable reported a critical Global API Ingestion delay on Clusters 100 and above from 2025-03-14 16:56 UTC to 2025-03-14 21:13 UTC, lasting 4 h 16 min. User updates, list uploads, user deletion and event processing were delayed; email sends and journey processing could also be affected. Engineering deployed a fix and confirmed recovery; no data was dropped. | | 2025-03-07 09:57 UTC | Major incident | [Major incident: Journeys are having issues fetching, creating and saving journeys.](https://rewindex.com/change/i46a41fe3aebe06.md) | outage | Iterable reported a major Global Web Application incident affecting fetching, creating and saving Journeys, causing delays or unexpected behavior. It started at 2025-03-07 09:57 UTC and was resolved at 2025-03-07 18:35 UTC, lasting 8 h 38 min. A fix was deployed by 10:32 UTC, restoring normal Journey function; Iterable later confirmed no further journey-edit errors. | | 2025-01-07 19:56 UTC | Major incident | [Major incident: Intermittent API errors](https://rewindex.com/change/ie124b2acdb6d55.md) | degradation | Iterable reported a major incident affecting Global API Success, with intermittent partial API outages lasting several minutes. The incident started at 2025-01-07 19:56 UTC and was resolved at 2025-01-07 22:10 UTC, lasting 2 h 13 min. Engineers implemented a fix and reported no further API outages. | | 2024-12-31 14:29 UTC | Major incident | [Major incident: Event-Triggered Journeys Delays Ingesting New Users](https://rewindex.com/change/i3489639f2d2006.md) | degradation | Iterable reported major delays ingesting new users into Event-Triggered Journeys from 2024-12-31 14:29 UTC to 2024-12-31 18:25 UTC, lasting 3 h 55 min. Errors in workflow-entrance-trigger pods caused a backlog; Iterable updated the service and scaled up pods, then confirmed the backlog was drained. Scheduled Journeys and API Triggered Journeys were unaffected. | | 2024-11-24 18:16 UTC | Major incident | [Major incident: Web Application Errors](https://rewindex.com/change/ib54e2a7e753e27.md) | outage | Iterable reported a major incident involving API and web application errors, with delays to sends and journey processing. It started at 2024-11-24 18:16 UTC and was resolved at 2024-11-25 17:09 UTC, lasting 22 h 52 min; engineering applied mitigations and reported recovery in the web application and API endpoints. | | 2024-10-15 16:06 UTC | Major incident | [Major incident: Issues impacting Email Sending](https://rewindex.com/change/i6749dc20095cbf.md) | outage | Iterable reported a major incident affecting Global Campaign Sends and Global Proof Sends, with email send errors and campaign send skips linked to a third-party ESP’s API. It started at 2024-10-15 16:06 UTC and resolved at 2024-10-15 21:32 UTC, lasting 5 h 25 min. The vendor released a fix, and all affected messages were successfully processed. | --- Canonical: https://rewindex.com/company/iterable/changes · Markdown: https://rewindex.com/company/iterable/changes.md · JSON: https://rewindex.com/api/v1/companies/iterable/changes · Generated 2026-10-18T02:24:35.281Z