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98.2%of 57 verified observed days had no reported provider issue
90-Day Trend
Dashed calendar markers below identify legacy observations whose source-at-observation was not recorded.
Monthly Status Summary
Month
Issue-free days
Days Tracked
Days with issues
September 2026
96.7%
30
1
This percentage summarizes normalized provider-status observations by calendar day. It is not duration-based, component-weighted, or contractual uptime. See the methodology and limitations.
Recorded Daily Status (Last 91 Days)
Jul 22Today
Legacy observation Operational Degraded Partial Outage Major Outage Maintenance No Data
Incident History
September 2026
Some customers may experience delays in message sending
Our team has found an issue causing degraded experiences for interactions with the Agent within customer.io. We are working on a fix now.
Legacy Incident Archive
28 archived records restored. These records predate source-at-observation attestation. They are shown as historical ServiceAlert records only and do not establish a provider-reported incident, resolution, duration, or current active state.
May 2026
Customers in the EU region may experience delays in message sending
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been implemented and we are monitoring the results.
investigating
We are currently investigating this issue.
Some customers in our EU region may experience errors and delays
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
The UI is available as expected, and we are monitoring before marking this as fully resolved. Thank you again for your patience!
identified
Our engineers are looking into an issue where some workspaces aren't loading as expected. Processing and deliveries may be delayed. We're working to get this resolved and will post an update soon. Thank you for your patience!
April 2026
Delay in Salesforce & Hubspot data-in integrations
majorSource not attested
Last archived state: resolved
View archived record details
monitoring
We have identified the issue, released a fix, and are currently monitoring integrations.
investigating
We are currently investigating an issue impacting Salesforce and Hubspot data-in integrations in the US region.
Customer.io UI is currently unavailable for some customers
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
The UI is available as expected, and we are monitoring before marking this as fully resolved. Thank you again for your patience!
investigating
Our engineers are looking into an issue where some workspaces aren't loading as expected. We're working to get this resolved and will post an update soon. Thank you for your patience!
Some customers in our EU region may experience errors and delays
Source not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been implemented and we are monitoring the results.
identified
The issue has been identified and a fix is being implemented.
investigating
We are currently investigating this issue.
Integration Destinations UI Disruption
majorSource not attested
Last archived state: resolved
View archived record details
identified
The issue has been identified in the UI and a fix is being deployed.
investigating
Our team is aware of an issue affecting Integrations with destinations in EU/US. We are looking into this and gathering more details. Data import and export is still working, only the UI is effected.
EU Region API Processing Delays
minorSource not attested
Last archived state: resolved
View archived record details
investigating
We are continuing to investigate this and will be back again as soon as we have an update. Thank you for your continued patience!
investigating
Some customers in our EU region may be experiencing delays with processing data sent in through our API. Our team is investigating the cause and will provide an update soon. Thank you for your patience!
March 2026
Domain Verification Currently Unavailable
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been implemented and we are monitoring the results.
identified
The issue has been identified and a fix is being implemented.
investigating
Customers are unable to add or edit unverified sending domains.
