Customer.io: Delays processing send events in some environments
Affected components: Message Sending
Timeline of updates
- identified
We're monitoring increased load on our backend that is causing a delay in processing sends. We are actively monitoring the issue and will share updates accordingly.
- monitoring
A fix has been deployed and we are processing through any delay backlogs. We are continuing to monitor but expect delays to reduce shortly.
- resolved
This incident has been resolved and any delays have been fully mitigated.
Archive proof
Rewindex commits each version of an incident it captures to a daily checkpoint, chains it to the day before, and has the checkpoint timestamped by FreeTSA and DigiCert. That proves this record existed by then and has not been changed since, by anyone, Rewindex included.
How the archive is checked, and what it cannot prove.
First version captured
In the 2026-10-22 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
65f76e7802b9c105…
Impact, status and times are the vendor’s own, as last archived. View on status.customerio.com (opens in new tab).
Cite this
Status incident (vendor impact label: none) posted by Customer.io, started 2026-07-10 18:08 UTC, resolved after 0 min, 3 update(s).
- Title
- Delays processing send events in some environments
- Vendor
- Customer.io
- Date
- URL
- https://rewindex.com/company/customer-io/incidents/xlyxbv1fhlz9
Customer.io profileRecent Customer.io incidentsAll outages on July 10, 2026Customer.io in July 2026MarkdownJSON