# SparkPost: Transmissions API injection elevated error rates/timeouts & Outbound message delivery is delayed/slow for some SparkPost and SparkPost Enterprise customers (US hosted only)

- Impact (vendor’s label): major
- Status: resolved
- Started: 2021-01-07 20:56 UTC · Resolved: 2021-01-07 22:30 UTC · Duration: 1.6 h
- Updates: 1
- [Vendor status page: https://status.sparkpost.com/incidents/8jft1lsn2lff](https://status.sparkpost.com/incidents/8jft1lsn2lff)
- [Company: SparkPost](https://rewindex.com/company/sparkpost.md)

## Timeline of updates

- **resolved** 2021-01-07 22:30 UTC: This incident is resolved. Thank you for your patience and we apologize for any inconvenience. Please follow up with support or your Technical Account Manager if you have further questions.

_From the vendor’s published history: only the final update text is available for incidents before Rewindex began polling this page._


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Canonical: https://rewindex.com/company/sparkpost/incidents/8jft1lsn2lff · Markdown: https://rewindex.com/company/sparkpost/incidents/8jft1lsn2lff.md · JSON: https://rewindex.com/api/v1/companies/sparkpost/incidents/8jft1lsn2lff · Generated 2026-10-19T21:07:51.816Z