Elevated 5xx Transmissions API error rates and latency for some SparkPost customers (US hosted only)

Resolved

Major impact

Started

Lasted 34m

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Updates

  1. Resolved

    This incident has been resolved.

  2. Monitoring

    A fix has been implemented and we are monitoring the results.

  3. Identified

    The team has identified the root cause. There is a core networking issue that has impacted sending across the clusters.

  4. Investigating

    We are continuing to investigate this issue. We still see 5xx errors on mail injections and degradation.

  5. Investigating

    We are continuing to investigate this issue.

  6. Investigating

    We are experiencing an elevated level of errors and latency on the Transmissions API (injection API) for some SparkPost customers. Please retry any 5xx error. Note: This issue does not impact SparkPost customers hosted in the EU.