Compare uptime, outage statistics, and incident history between SparkPost and Mailchimp. See which service has better reliability.
Note: Each service has different practices when updating its status page. One service may report more incidents due to transparency, not necessarily worse reliability. Compare these stats with context.
Status monitoring since April 2020
Microsoft Mail Delivery Delays and Temporary Rejections
We are currently seeing elevated temporary rejection rates for email delivered to Outlook.com, Hotmail, and other Mic...
Elevated 5xx Transmissions API error rates and latency for some SparkPost cus...
We are experiencing an elevated level of errors and latency on the Transmissions API (injection API) for some SparkPo...
Outbound message delivery is delayed/slow for some SparkPost customers (US ho...
We are currently investigating this issue. No messages are lost.
Status monitoring since May 2021
Segmentation issues
Our engineering team is actively working to resolve issues affecting Segments and Audience data. We apologize for the...
Templates Missing
We are currently investigating an issue where some users may experience missing templates. Our engineering team is wo...
Campaign Reports
We’re aware of an issue affecting the accuracy of open and click metrics in campaign reports. Our Engineering team is...
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