SparkPost: Elevated 5xx API error rates and increased latency for some SparkPost and SparkPost Enterprise customers (EU hosted only)
Timeline of updates
- resolved
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 SparkPost’s published incident history: for incidents before Rewindex began polling this status page, only the final update text is available.
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This incident predates live tracking (October 17, 2026). It came from the vendor’s own published history, which is not covered by checkpoints.
Impact, status and times are the vendor’s own, as last archived. View on status.sparkpost.com (opens in new tab).
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).
- Title
- Elevated 5xx API error rates and increased latency for some SparkPost and SparkPost Enterprise customers (EU hosted only)
- Vendor
- SparkPost
- Date
- URL
- https://rewindex.com/company/sparkpost/incidents/wmdcf6rbmzy6
SparkPost profileRecent SparkPost incidentsAll outages on December 18, 2020SparkPost in December 2020MarkdownJSON