# SparkPost: Elevated 5xx API error rates and increased latency for some SparkPost and SparkPost Enterprise customers (EU hosted only)

> SparkPost status incident “Elevated 5xx API error rates and increased latency for some SparkPost and SparkPost Enterprise customers (EU hosted only)” on 2020-12-18: impact minor (vendor’s label), 50 min, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/sparkpost/incidents/wmdcf6rbmzy6
Last updated: 2020-12-18T20:49:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2020-12-18 19:59 UTC · Resolved: 2020-12-18 20:49 UTC · Duration: 50 min
- Updates: 1
- [Vendor status page: https://status.sparkpost.com/incidents/wmdcf6rbmzy6](https://status.sparkpost.com/incidents/wmdcf6rbmzy6)
- [Company: SparkPost](https://rewindex.com/company/sparkpost.md)

## Timeline of updates

- **resolved** 2020-12-18 20:49 UTC: This incident is resolved. We identified that this incident resulted in intermittent SMTP injection errors and elevated 5xx errors for some REST APIs. We do not believe the Transmissions API was affected. Thank you for your patience and we are sorry for any inconvenience due to this incident.

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

## Cite this

Status incident (vendor impact label: minor) posted by SparkPost, started 2020-12-18 19:59 UTC, resolved after 50 min, 1 update(s).

- Canonical URL: https://rewindex.com/company/sparkpost/incidents/wmdcf6rbmzy6
- Citation: SparkPost, “Elevated 5xx API error rates and increased latency for some SparkPost and SparkPost Enterprise customers (EU hosted only)” (2020-12-18 19:59 UTC). Archived by Rewindex: https://rewindex.com/company/sparkpost/incidents/wmdcf6rbmzy6 (CC BY 4.0).
- Markdown link: `[SparkPost: Elevated 5xx API error rates and increased latency for some SparkPost and SparkPost Enterprise customers (EU hosted only) (2020-12-18)](https://rewindex.com/company/sparkpost/incidents/wmdcf6rbmzy6)`


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Canonical: https://rewindex.com/company/sparkpost/incidents/wmdcf6rbmzy6 · Markdown: https://rewindex.com/company/sparkpost/incidents/wmdcf6rbmzy6.md · JSON: https://rewindex.com/api/v1/companies/sparkpost/incidents/wmdcf6rbmzy6 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T14:20:50.623Z