# Iterable: Some customers using Sparkpost (US hosted) for email may be seeing delayed or slow sends

> Iterable status incident “Some customers using Sparkpost (US hosted) for email may be seeing delayed or slow sends” on 2026-10-28: impact minor (vendor’s label), 29 min, 2 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/iterable/incidents/0yd79705n5n6
Last updated: 2026-10-28T21:14:09Z

- Impact (vendor’s label): minor
- Status: resolved · edited after publishing
- Started: 2026-10-28 20:16 UTC · Resolved: 2026-10-28 20:45 UTC · Duration: 29 min
- Updates: 2 · Affected components: Global Campaign Sends
- [Vendor status page: https://status.iterable.com/incidents/0yd79705n5n6](https://status.iterable.com/incidents/0yd79705n5n6)
- [Company: Iterable](https://rewindex.com/company/iterable.md)

## Timeline of updates

- **identified** 2026-10-28 20:16 UTC: Some customers using Sparkpost (US hosted) for email may be seeing delayed or slow sends. We are seeing only partial impact to our customers starting about 12:37pm PT and are actively monitoring updates from SparkPost. Messages will be retried and so no sends will be lost. Next update by 2pm PT.
- **resolved** 2026-10-28 20:45 UTC: Sparkpost is reporting that full functionality has been restored. All alerts in Iterable have resolved and we are no longer seeing customer impact.

## Rewindex changes for this incident

- 2026-10-28 21:14 UTC: [Incident updated: Some customers using Sparkpost (US hosted) for email may be seeing delayed or slow sends](https://rewindex.com/change/rde3d49ad30a5e2.md)

## Cite this

Status incident (vendor impact label: minor) posted by Iterable, started 2026-10-28 20:16 UTC, resolved after 29 min, 2 update(s); edited after publishing.

- Canonical URL: https://rewindex.com/company/iterable/incidents/0yd79705n5n6
- Citation: Iterable, “Some customers using Sparkpost (US hosted) for email may be seeing delayed or slow sends” (2026-10-28 20:16 UTC). Archived by Rewindex: https://rewindex.com/company/iterable/incidents/0yd79705n5n6 (CC BY 4.0).
- Markdown link: `[Iterable: Some customers using Sparkpost (US hosted) for email may be seeing delayed or slow sends (2026-10-28)](https://rewindex.com/company/iterable/incidents/0yd79705n5n6)`


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Canonical: https://rewindex.com/company/iterable/incidents/0yd79705n5n6 · Markdown: https://rewindex.com/company/iterable/incidents/0yd79705n5n6.md · JSON: https://rewindex.com/api/v1/companies/iterable/incidents/0yd79705n5n6 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-05T15:31:43.137Z