sevanalysis

Customer.io

Apps and SaaS. Source: Customer.io status page.

Incidents, last 90 days
6
Median to mitigation
12m
Median to resolution
27m
p95 to resolution
1h 19m
Naming an upstream provider
0%
With a postmortem on the status page
0%

What failed, last 90 days

The text does not say enough to tell5
A provider or third-party service this vendor depends on failed1

Tagged by deepseek/deepseek-v4.1-flash from each incident's updates. See the methodology.

Incidents per month

All recorded incidents

Some US customers may experience delays in message sending minor 2026-09-19 22:50 UTC 27m

Affected: Message Sending

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by deepseek/deepseek-v4.1-flash with high confidence (taxonomy v0.3).

  1. investigating

    We are currently investigating this issue.

  2. identified

    The issue has been identified and a fix is being implemented.

  3. monitoring

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

  4. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Reduced Deliverability to Microsoft-Hosted Email Addresses none 2026-09-04 12:16 UTC 1h 19m

Affected: Message Sending

Failure mode: A provider or third-party service this vendor depends on failed. Root cause: A failure at a provider or vendor they depend on. Tagged by deepseek/deepseek-v4.1-flash with high confidence (taxonomy v0.3).

  1. investigating

    We are currently investigating reports of reduced deliverability affecting messages sent to Microsoft-hosted email addresses. Our team is actively looking into this and we will provide an update as soon as we have more information. Thank you for your patience!

  2. monitoring

    Starting around 08:00 UTC, Microsoft began experiencing an incident causing an increased volume of deferred/bounced emails. We are actively monitoring the situation. No other email providers are currently affected.

  3. resolved

    Microsoft has resolved the underlying issue, we are seeing deliveries to their services resume as normal. Earlier bounces will be retried accordingly. We appreciate your understanding and please do reach out to support if you need any further assistance.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Investigating issues with the Agent minor 2026-09-03 17:29 UTC 5m

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by deepseek/deepseek-v4.1-flash with high confidence (taxonomy v0.3).

  1. identified

    Our team has found an issue causing degraded experiences for interactions with the Agent within customer.io. We are working on a fix now.

  2. monitoring

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

  3. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Customer.io UI is inaccessible none 2026-08-05 17:36 UTC 26m

Affected: Management Interface

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by deepseek/deepseek-v4.1-flash with high confidence (taxonomy v0.3).

  1. investigating

    We are currently investigating this issue.

  2. monitoring

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

  3. monitoring

    We are continuing to monitor for any further issues.

  4. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Delays in processing and UI inaccessible for some customers in the US datacentre minor 2026-08-03 07:08 UTC 33m

Affected: Data Processing, Management Interface

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by deepseek/deepseek-v4.1-flash with low confidence (taxonomy v0.3).

  1. investigating

    Our team is currently investigating an issue that is causing some delays in data processing. This impacts a small subset of customers in the US datacentre.

  2. investigating

    We are continuing to investigate this issue.

  3. resolved

    This incident has been resolved. Thanks for your patience.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Issues accessing EU accounts major 2026-07-31 14:24 UTC 15m

Affected: Management Interface

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by deepseek/deepseek-v4.1-flash with high confidence (taxonomy v0.3).

  1. investigating

    We are currently investigating an issue impacting access to EU accounts and API access. There is no impact with data processing or data loss.

  2. identified

    The issue has been identified and a fix is being implemented.

  3. monitoring

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

  4. resolved

    This incident is resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some EU users are experiencing delays in processing minor 2026-07-23 08:27 UTC 1h 37m

Affected: Data Processing, Management Interface

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by deepseek/deepseek-v4.1-flash with low confidence (taxonomy v0.3).

  1. investigating

    Our team is looking into a problem affecting UI slowness and processing delays for some EU customers.

  2. identified

    A fix has been implemented and we are monitoring the results. Thanks for your patience and we'll continue to update as we make progress

  3. monitoring

    A fix has been deployed, and we are recovering any delayed backlogs. We are continuing to monitor the results.

  4. resolved

    This incident has been resolved. Thanks a lot for your patience while we worked on a fix here.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some customers are experiencing data processing and message-sending delays minor 2026-07-20 21:35 UTC 1h 23m

Affected: Data Processing, Message Sending

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by deepseek/deepseek-v4.1-flash with high confidence (taxonomy v0.3).

  1. investigating

    Our engineers are currently looking into an issue that is causing data processing and message-sending delays for a small subset of customers in the US region. We apologise for any inconvenience caused.

  2. identified

    The issue has been identified and we're working on a fix. Thank you for your patience.

  3. monitoring

    A fix has been deployed, and we are processing any delayed backlogs. We are continuing to monitor the results.

  4. resolved

    This incident has been resolved and all backlogs have been processed.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Delays in message sending major 2026-07-20 17:07 UTC 40m

Affected: Message Sending

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by deepseek/deepseek-v4.1-flash with high confidence (taxonomy v0.3).

  1. investigating

    Our team is currently investigating an issue delaying message sending in the US and EU regions

  2. monitoring

    A fix has been implemented and we're monitoring the results.

  3. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some customers are experiencing data processing delays minor 2026-07-15 17:19 UTC 2h 26m

Affected: Data Processing

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by deepseek/deepseek-v4.1-flash with low confidence (taxonomy v0.3).

  1. investigating

    Our engineers are currently looking into an issue that is causing data processing delays for some customers in our EU region. Thank you for patience and we apologize for the inconvenience.

  2. identified

    We've identified the cause of the event processing delays and our team is working on a fix. Thank you for your patience and we'll update again as we make progress.

  3. monitoring

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

  4. resolved

    This incident is resolved. Thank you for your patience!

Excerpts are shortened. Read the full incident on Customer.io's status page.

Delays processing send events in some environments none 2026-07-10 17:28 UTC 41m

Affected: Message Sending

Failure mode: Exhausted memory, disk, CPU, queues, connection pools or quotas. Root cause: Not enough capacity for the load. Tagged by deepseek/deepseek-v4.1-flash with high confidence (taxonomy v0.3).

  1. 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.

  2. 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.

  3. resolved

    This incident has been resolved and any delays have been fully mitigated.

Excerpts are shortened. Read the full incident on Customer.io's status page.

User Interface is currently unavailable for some users in EU. Data processing delays minor 2026-07-03 09:07 UTC 2h 3m

Affected: Data Processing, Management Interface

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by deepseek/deepseek-v4.1-flash with high confidence (taxonomy v0.3).

  1. investigating

    Our team is currently investigating an issue where the Customer.io dashboard (fly.customer.io) is unavailable for some users in EU. We're also looking into potential data processing delays.

  2. identified

    The Customer.io UI is back online. We're continuing to work on system stability to confirm the issue is fully resolved. Processing is recovering but still delayed

  3. monitoring

    Processing is actively recovering. We apologize for the disruption this caused and will continue monitoring until it's fully caught up.

  4. resolved

    This incident has been resolved. The Customer.io UI is available, and data processing has recovered to normal operating levels. We will continue internal follow-up and remediation work. Thank you for your patience.

Excerpts are shortened. Read the full incident on Customer.io's status page.

User Interface is currently unavailable, data processing delays minor 2026-07-02 13:51 UTC 25m

Affected: Data Processing, Management Interface

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by deepseek/deepseek-v4.1-flash with low confidence (taxonomy v0.3).

  1. investigating

    Our team is currently investigating an issue where the Customer.io dashboard (fly.customer.io) is unavailable. We're also looking into potential data processing delays.

  2. monitoring

    The UI is back up and delays are actively recovering. We sincerely apologize for the inconvenience and appreciate your patience.

  3. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some customers are currently unable to access the account Billing page in our UI minor 2026-06-18 20:06 UTC 28m

Affected: Management Interface

  1. investigating

    We're looking into an issue where https://fly.customer.io/settings/billing/ isn't loading for some customers. We apologize for the inconvenience.

  2. monitoring

    We've identified the issue and access to the Billing page has been restored. We thank you for your patience!

  3. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Investigating Connectivity Issues major 2026-06-13 21:18 UTC 2h 42m
  1. investigating

    We are aware of an issue affecting access to our web application. Customers may encounter ERR_CONNECTION_REFUSED when attempting to access the UI. At this time, we are not aware of any impact beyond UI accessibility. Message processing and delivery continue to operate normally....

  2. identified

    The team has identified the issue and is actively working on a fix

  3. monitoring

    A fix has been implemented and the systems are recovering. We are monitoring UI for any other issue.

  4. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Delays in processing requests minor 2026-06-10 04:45 UTC 32m

Affected: Data Processing, Message Sending

  1. investigating

    Our team is aware of an issue affecting Customer IO EU and US systems . We are looking into this and gathering more details.

  2. investigating

    Identified the issue, still processing backlog

  3. monitoring

    5% of our customers could have experience delays up to 40minutes, but going forward everything is working correctly

  4. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

AI Agent and LLM Campaign Actions Disruption none 2026-06-09 15:49 UTC 1h 7m
  1. investigating

    We are currently investigating an issue affecting our AI Agent and LLM actions within campaigns. Some customers may be experiencing disruption or delays with these features. We will provide an update as soon as we have more information. Thank you for your patience!

  2. identified

    Our engineers have identified the issue that is causing disruption. We are working on a resolution and will provide an update shortly. Thank you for your patience.

  3. monitoring

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

  4. resolved

    This incident has been resolved. Thank you for your patience!

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some customers seeing delays setting up Pipelines in new EU workspaces minor 2026-06-05 12:30 UTC 1h 4m

Affected: Management Interface

  1. investigating

    We are currently investigating a delay affecting the setup of Pipelines in newly created workspaces in our EU region. Customers creating new workspaces may experience longer than expected wait times before Pipelines become available. Our team is actively working on this and we...

  2. monitoring

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

  3. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Salesforce and Hubspot syncs might be delayed for some EU customers minor 2026-06-04 23:50 UTC 1h 25m

Affected: Data Processing

  1. identified

    We've identified an issue affecting some EU customers' Salesforce and Hubspot syncs. Our team is working on a fix.

  2. monitoring

    We have rolled out a fix and we're monitoring closely.

  3. resolved

    We confirm the incident is resolved. Thank you for your patience!

Excerpts are shortened. Read the full incident on Customer.io's status page.

Customer.io UI is currently inaccessible minor 2026-06-04 13:34 UTC 8m

Affected: Management Interface

  1. investigating

    Our team is aware of this issue and are digging into it right now. We apologize for the inconvenience and will be back with an update as soon as possible.

  2. monitoring

    We've got a fix in place, and the UI is available once again. Thank you for your patience!

  3. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

UI inaccessible major 2026-06-02 21:18 UTC 1h 39m

Affected: Management Interface

  1. investigating

    Our team is aware of an issue affecting access to the Customer.io UI and we are working to identify the cause.

  2. monitoring

    A fix has been deployed for the issue affecting access to the UI. We are monitoring performance and customer feedback.

  3. identified

    Our team has identified additional UI-related issues affecting some customers. We are working on a fix now.

  4. monitoring

    We have rolled out a fix for the remaining UI-related issues and are watching system behavior closely.

  5. resolved

    The issues affecting the UI have been resolved, and the system is functioning normally.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Reverse ETL Syncs not being run for some EU Customers minor 2026-06-01 11:40 UTC 31m

Affected: Data Processing

  1. investigating

    We are currently investigating an issue affecting Reverse ETL syncs for some EU customers.

  2. monitoring

    A fix has been deployed for the issue affecting Reverse ETL syncs in EU workspaces. We are continuing to monitor this.

  3. resolved

    We have confirmed that the incident has been resolved and all Reverse ETL syncs are running as expected. Thanks for your patience!

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some customers are seeing broadcast delivery delays (emails, push notifications, and webhooks) minor 2026-05-29 16:26 UTC 42m

Affected: Message Sending

  1. investigating

    Our engineers are aware of an issue where messages may be showing as "queued". We're investigating this now. Thank you for your patience!

  2. identified

    We've identified the issue and are working towards a resolution now.

  3. monitoring

    We have a resolution in place and are monitoring message throughput recovery now. Thank you for your patience!

  4. resolved

    We have confirmed that this incident is now resolved. Thank you very much for your patience!

Excerpts are shortened. Read the full incident on Customer.io's status page.

Customers in the EU region may experience delays in message sending minor 2026-05-25 15:27 UTC 43m

Affected: Message Sending

  1. investigating

    We are currently investigating this issue.

  2. monitoring

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

  3. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some customers in our EU region may experience errors and delays minor 2026-05-06 16:00 UTC 26m

Affected: Data Collection, Data Processing, Management Interface

  1. 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!

  2. monitoring

    The UI is available as expected, and we are monitoring before marking this as fully resolved. Thank you again for your patience!

  3. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Delay in Salesforce & Hubspot data-in integrations major 2026-04-20 19:52 UTC 14m

Affected: Data Processing

  1. investigating

    We are currently investigating an issue impacting Salesforce and Hubspot data-in integrations in the US region.

  2. monitoring

    We have identified the issue, released a fix, and are currently monitoring integrations.

  3. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Customer.io UI is currently unavailable for some customers minor 2026-04-20 16:45 UTC 10m

Affected: Management Interface

  1. 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!

  2. monitoring

    The UI is available as expected, and we are monitoring before marking this as fully resolved. Thank you again for your patience!

  3. resolved

    This incident is now resolved. Thank you for your patience and understanding!

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some customers in our EU region may experience errors and delays none 2026-04-17 20:07 UTC 9m

Affected: Data Collection, Data Processing, Management Interface

  1. investigating

    We are currently investigating this issue.

  2. identified

    The issue has been identified and a fix is being implemented.

  3. monitoring

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

  4. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Customer.io UI currently experiencing issues none 2026-04-16 21:17 UTC 12m
  1. resolved

    Customers who are currently working in our UI are likely to have seen elevated errors or loading. Our engineers are aware, investigated, and have resolved this issue. Thank you for your patience and understanding!

Excerpts are shortened. Read the full incident on Customer.io's status page.

Unable to create event-driven campaigns none 2026-04-15 20:30 UTC 0m
  1. resolved

    We've identified an issue that was preventing the workflow builder from adding Event campaign triggers. This did not affect processing or deliveries for existing campaigns, only the workflow UI experience was impacted. This incident has already been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Integration Destinations UI Disruption major 2026-04-13 18:26 UTC 5m

Affected: Management Interface

  1. 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.

  2. identified

    The issue has been identified in the UI and a fix is being deployed.

  3. resolved

    A fix has been deployed and the system's functionality is fully restored.

Excerpts are shortened. Read the full incident on Customer.io's status page.

EU Region API Processing Delays minor 2026-04-07 16:46 UTC 4h 7m

Affected: Data Processing

  1. 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!

  2. 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!

  3. resolved

    Our engineers have identified the issue and have deployed a resolution. Processing delays are clearing up. Thank you very much for your patience!

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some customers in our EU region may experience errors and delays none 2026-03-26 18:30 UTC 0m
  1. resolved

    Some customers in the EU region may have seen errors in the UI and delays of up to 10 minutes in deliveries and data processing.

Excerpts are shortened. Read the full incident on Customer.io's status page.

UI Errors Identified none 2026-03-18 19:09 UTC 0m

Affected: Management Interface

  1. resolved

    Our team identified and resolved errors impacting creating and saving campaigns, newsletters, segments in the user interface.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Domain Verification Currently Unavailable minor 2026-03-16 09:30 UTC 25m

Affected: Management Interface

  1. investigating

    Customers are unable to add or edit unverified sending domains.

  2. identified

    The issue has been identified and a fix is being implemented.

  3. monitoring

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

  4. resolved

    The issue has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some customers in our US region may experience errors and delays minor 2026-02-23 20:11 UTC 31m

Affected: Data Processing, Message Sending

  1. identified

    We're currently investigating an issue that may be impacting some US-based customers, potentially causing UI errors along with delays in processing and message delivery. We appreciate your patience as our team works to get this resolved.

  2. monitoring

    A fix has been implemented and we're continuing to monitor for stability. Thank you for your patience!

  3. resolved

    This incident has been resolved. We greatly appreciate your patience!

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some customers in our EU region may experience errors and delays minor 2026-02-19 14:35 UTC 8m

Affected: Data Processing, Message Sending

  1. identified

    Our engineers are looking into an issue that may be causing some customers in the EU to experience errors in the UI, as well as delays with processing and message delivery. We greatly appreciate your patience while we work to resolve this.

  2. monitoring

    We have a resolution in place now and are continuing to monitor.

  3. resolved

    Our engineers have resolved this issue. Thank you very much for your patience!

Excerpts are shortened. Read the full incident on Customer.io's status page.

Reverse ETL syncs may experience delays in US none 2026-02-13 22:42 UTC 21m
  1. identified

    A subset of customers in US may experience delays on completing reverse ETL syncs.

  2. monitoring

    A fix has been implemented and we are monitoring.

  3. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some customers are experiencing delays with message sending minor 2026-01-28 18:56 UTC 29m

Affected: Message Sending

  1. investigating

    Our engineers are currently investigating an issue where message sending is delayed. We thank you for your patience and will be back with another update as soon as possible.

  2. monitoring

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

  3. resolved

    This issue is now resolved. We greatly appreciate your patience while we investigated.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Issue with downloading exports from our App API none 2026-01-21 20:45 UTC 11m
  1. identified

    Our team is aware of and has identified an issue that is causing our App API to return a 500 error when attempting to download custom exports. We're working on getting a resolution in place, and appreciate your patience.

  2. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Delays with Salesforce Syncs none 2026-01-14 16:34 UTC 0m

Affected: Data Processing

  1. resolved

    Between 16:00 UTC January 13th and 08:00 UTC January 14th our team was alerted to an issue causing long delays completing Salesforce syncs. The issue has now been resolved and we are continuing to monitor.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Customers may be impacted by data delays minor 2025-12-13 12:06 UTC 1h 31m

Affected: Data Processing

  1. investigating

    We identified a recent change that might cause data delays for some customers in the US. We are currently investigating.

  2. investigating

    We are continuing to investigate this issue.

  3. monitoring

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

  4. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some customers are experiencing issues with saving their content minor 2025-12-12 17:07 UTC 18m

Affected: Management Interface

  1. investigating

    Our engineers are looking into this issue now. We sincerely apologize for the inconvenience.

  2. identified

    The issue has been identified and we're working towards a resolution now. Thank you for your patience!

  3. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Intermittent issues loading the in-app message editor. minor 2025-12-09 14:20 UTC 41m

Affected: Management Interface

  1. investigating

    We are currently investigating an issue preventing the in-app message editor from loading in some accounts.

  2. investigating

    We are continuing to investigate this issue.

  3. resolved

    The team has identified the issue and released a fix.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Customers may be impacted by data delays minor 2025-12-08 18:12 UTC 2h 6m

Affected: Data Processing, Message Sending

  1. investigating

    We identified a recent change that might cause data delays. We are investigating.

  2. identified

    The issue has been identified and a fix is being implemented.

  3. monitoring

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

  4. resolved

    This incident has been resolved.

  5. postmortem

    `Incident Summary ` `On December 8th, 2025, beginning at 17:38 UTC, some customers experienced delays in data processing and message delivery. Normal functionality was fully restored at 18:19 UTC, for a total duration of 41 minutes. No data was lost. ` `A failure during the...

Excerpts are shortened. Read the full incident on Customer.io's status page.

Trouble loading User Interface in some workspace minor 2025-11-24 17:20 UTC 55m

Affected: Management Interface

  1. investigating

    We are currently investigating reports loading the User Interface (UI) in some workspaces.

  2. identified

    The issue has been identified and a fix is being implemented.

  3. resolved

    The team has released a fix and this incident is now resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

US infrastructure delays with a subset of deliveries sending minor 2025-11-24 08:15 UTC 37m

Affected: Message Sending

  1. investigating

    Our team is aware of an issue with Campaign and Transactional deliveries going out. We are currently looking into this.

  2. identified

    We identified the issue, backlog is processing now

  3. identified

    Transactional queue backlog is process, priority queue is still ongoing

  4. resolved

    We confirm the incident has been resolved. The system is fully operational.

  5. postmortem

    **Duration:** 2h 14m, Nov 24 8:08 AM UTC - 10:22 AM UTC\] **Severity:** P2 **Impact:** Reduced message processing rates across US infrastructure ### What Happened On November 24th, our message rendering service experienced degraded performance during a period of high traffic....

Excerpts are shortened. Read the full incident on Customer.io's status page.

Forms submissions experiencing intermittent delays minor 2025-11-21 11:46 UTC 1h 23m

Affected: Data Processing

  1. investigating

    We are investigating reports of some Form submissions being delayed in the US and EU Data centers. Forms continue to function as expected.

  2. investigating

    We are continuing to investigate the issue.

  3. monitoring

    The issue has been identified and our team is currently monitoring the service.

  4. resolved

    The issue has now been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Legacy in-app editing, delays receiving in-app messages and Journeys domain verification with Cloudflare minor 2025-11-18 12:28 UTC 2h 23m

Affected: Management Interface

Names an upstream provider: Cloudflare.

  1. identified

    Customers using the legacy in-app message editor may encounter issues when trying to edit messages. Sending and viewing of existing messages are not affected. The team has identified the root cause and is actively working to restore the functionality.

  2. identified

    During the investigation, it was discovered that some customers are experiencing delays in receiving in-app messages.

  3. identified

    The team is continuing to work towards a resolution.

  4. identified

    Customers may experience issues when verifying new domains associated to Cloudflare. The team is continuing to work towards a resoltuion.

  5. identified

    We are continuing to work on a fix for this issue.

  6. monitoring

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

  7. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Code Editor is freezing unexpectedly minor 2025-11-05 10:09 UTC 20m

Affected: Management Interface

  1. investigating

    We have received reports of Code Editor emails crashing. Our team is currently investigating

  2. monitoring

    Our team has rolled out a fix, and the Code Editor is operational.

  3. resolved

    The issue has now been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some workspaces experiencing delays in campaign journeys and deliveries in US Data Center minor 2025-11-04 20:46 UTC 1h 8m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Issue preventing some workspaces from loading in the US minor 2025-10-31 17:48 UTC 24m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some US customers may be impacted by data delays and UI errors major 2025-10-30 17:25 UTC 4h 33m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Delayed Workspace Performance minor 2025-10-29 20:02 UTC 10m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Integrations pages are currently not loading minor 2025-10-29 18:04 UTC 13m
  1. resolved

    The team has implemented a fix and this incident has now been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Intermittent loading issues in the Customer.io UI minor 2025-10-29 15:04 UTC 48m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Delayed Workspace Performance minor 2025-10-23 21:26 UTC 1h 34m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Intermittent issues loading Design Studio for some of our EU customers minor 2025-10-21 07:39 UTC 1h 14m
  1. resolved

    This issue has now been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Twilio Templates Outage none 2025-10-20 18:45 UTC 3h 22m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Customer.io Documentation website (https://docs.customer.io) may not be loading for some customers minor 2025-10-20 16:03 UTC 19h 34m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Issue with Design Studio critical 2025-10-08 15:46 UTC 30m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some US customers may be impacted by data delays and UI errors minor 2025-10-06 15:10 UTC 29m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some customers in the US are experiencing delays minor 2025-09-30 21:10 UTC 10m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some customers in our EU region are experiencing delays minor 2025-09-26 16:17 UTC 32m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some customers in our EU region are experiencing delays minor 2025-09-26 14:59 UTC 45m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some customers in our EU region are experiencing delays none 2025-09-16 11:00 UTC 0m
  1. resolved

    Our engineers identified that some customers with accounts in our EU may have experienced delays with data processing and message sending, as well as UI errors. We've identified the issue and it was resolved by ~11:20 UTC.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some customers in our US region are experiencing delays none 2025-09-13 14:01 UTC 27m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some customers in our US region are experiencing delays minor 2025-09-13 00:18 UTC 6m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some customers in our US region are experiencing delays minor 2025-09-12 19:02 UTC 16m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some customers are experiencing delays with import processing minor 2025-08-28 13:02 UTC 54m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some Data Warehouse Sync Exports are unexpectedly failing. minor 2025-08-28 08:41 UTC 1h 14m
  1. resolved

    The issue has been resolved. Data Warehouse Sync exports are back fully operational.

Excerpts are shortened. Read the full incident on Customer.io's status page.

US Customers using mobile sdk, javascript calls, and cdp api may experience errors with calls to the api. none 2025-08-24 15:31 UTC 1h 8m
  1. resolved

    This incident has been resolved.

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US Customers using mobile sdk, javascript calls, and cdp api may experience errors with calls to the api. none 2025-08-19 19:44 UTC 1h 24m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

User Interface experiencing troubles loading none 2025-08-19 04:48 UTC 31m
  1. resolved

    The incident is resolved. UI is loading correctly. Data processing as well as sending and receiving of messages was not affected during this incident.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Customer.io UI and API issues minor 2025-08-18 22:06 UTC 21m
  1. resolved

    The issue has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Customers using Google Ads Conversions pipeline may be experiencing 500 status codes. none 2025-08-18 18:42 UTC 1h 54m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some customers (US Region) may have experienced timeouts when sending requests through Pipelines API minor 2025-08-13 14:19 UTC 0m
  1. resolved

    Our engineers were alerted to an issue where some requests to our Pipelines API (US region only) may have resulted in a timeout between 14:19 UTC to 14:55 UTC. Requests that weren't successful during that time were not processed into our system and would need to be retried.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Intermittent issues loading Customer.io User Interface minor 2025-07-25 15:28 UTC 8m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

We're currently investigating an issue with password resets and invites minor 2025-07-22 13:12 UTC 16m
  1. resolved

    Thank you for your patience. We've successfully resolved this issue; you can now reset your password again without error: https://fly.customer.io/reset_password

Excerpts are shortened. Read the full incident on Customer.io's status page.

Design Studio isn't loading none 2025-07-18 23:23 UTC 1h 55m
  1. resolved

    The incident has been resolved and Design Studio loads correctly for all accounts.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some customers on the US Data Center may experience Message Delays. none 2025-07-18 10:29 UTC 4h 36m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Data Ingestion Degradation minor 2025-07-18 03:50 UTC 1h 24m
  1. resolved

    Backlog of data has been successfully processed. Services are operational.

Excerpts are shortened. Read the full incident on Customer.io's status page.

User Interface is degraded minor 2025-07-17 19:47 UTC 1h 39m
  1. resolved

    The issue has been resolved. Although there is a backlog of processing due to the incident, the expectation is it will be cleared within the hour.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Webhooks are delayed minor 2025-07-11 12:55 UTC 15m
  1. resolved

    The issue has been fixed and webhooks are now functioning properly.

Excerpts are shortened. Read the full incident on Customer.io's status page.

We're currently investigating an issue with accessing Workspaces major 2025-07-07 14:29 UTC 1h 32m
  1. resolved

    This incident has been resolved. We sincerely apologize for the inconvenience and thank you for your patience!

Excerpts are shortened. Read the full incident on Customer.io's status page.

Customers unable to access some parts of the Customer.io UI minor 2025-07-03 19:55 UTC 25m
  1. resolved

    This incident has been resolved. Thank you for your patience!

Excerpts are shortened. Read the full incident on Customer.io's status page.

Google Ads operations delayed. none 2025-07-02 22:17 UTC 5h 26m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Delays in loading Account Settings for some customers minor 2025-06-27 12:16 UTC 1h 25m
  1. resolved

    A fix has been implemented and the issue is resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Delay in sending campaign webhooks none 2025-06-13 17:03 UTC 0m
  1. resolved

    Within the last hour sending campaign webhooks were delayed for some customers. We identified the issue and have resolved it.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Investigation of Potential Service Disruptions none 2025-06-12 18:41 UTC 2h 53m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Google Adwords Outage none 2025-06-05 18:44 UTC 43m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some customers seeing issues with accessing Whatsapp Twilio Content Templates minor 2025-06-03 12:50 UTC 1h 36m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

fly.customer.io inaccessible major 2025-06-02 18:25 UTC 14m
  1. resolved

    A fix has been implemented and we are continuing to monitor.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Fly (UI) is currently unavailable major 2025-05-30 16:25 UTC 13m
  1. resolved

    This incident is resolved. Thank you for your patience and our apologies for the inconvenience!

Excerpts are shortened. Read the full incident on Customer.io's status page.

Customers may experience issues accessing the UI none 2025-05-26 17:11 UTC 2m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Delayed processing for a small proportion of customer initiated actions and data ingestion minor 2025-05-19 05:41 UTC 43m
  1. resolved

    Monitoring indicates services are healthy. The incident is now closed.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some customers are experiencing an error when making edits in the Code (HTML) Editor none 2025-05-07 14:30 UTC 19m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Delays in sending and UI experience minor 2025-05-07 00:19 UTC 16m
  1. resolved

    The issue has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Issues with Design Studio - EU Region none 2025-05-01 15:10 UTC 13m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some workspaces may experience delays in track event processing. none 2025-04-29 19:17 UTC 1h 3m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

API Requests Failing none 2025-04-09 21:12 UTC 11m
  1. resolved

    The issue has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Message sending delays minor 2025-04-07 20:13 UTC 35m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Account Creation Process Faulty minor 2025-04-04 21:38 UTC 43m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Account Creation Faulty minor 2025-04-03 20:01 UTC 43m
  1. resolved

    The incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

New accounts experiencing issues navigating UI minor 2025-04-03 07:41 UTC 2h 9m
  1. resolved

    The issue has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Sending Delays none 2025-03-30 13:01 UTC 12m
  1. resolved

    This issue is now resolved. Message sending and access to the management interface is functioning properly.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Issues with Parcel code editor and 'Design Studio' interface minor 2025-03-17 22:06 UTC 34m
  1. resolved

    The engineers have deployed a fix in all regions, the Parcel code editor and the 'Design Studio' should now all be fully operational.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Investigating reports with intermittent loading of the drag-and-drop editor major 2025-03-10 15:38 UTC 1h 28m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

We're investigating reports of unexpected changes to segment membership metrics. none 2025-03-07 18:42 UTC 7h 24m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Data processing in EU Region is delayed minor 2025-02-25 19:05 UTC 1h 13m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

New account and workspace creation is affected. none 2025-02-07 00:06 UTC 7m
  1. resolved

    Account and workspace creation are working as expected again. The incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Sending and Processing impacted for some customers in the EU Data Center major 2025-02-03 09:26 UTC 7m
  1. resolved

    The incident is now resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

The UI is not loading for some workspaces in the EU Data Center Region none 2025-01-23 21:53 UTC 6m
  1. resolved

    Only the UI access was impacted — the engineers have deployed a fix.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some customers are seeing issues with Events created from Campaign Actions none 2025-01-15 16:08 UTC 27m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Investigating issue loading UI major 2024-12-19 21:57 UTC 4m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Intermittent issue creating in-app messages using Legacy in-app editor minor 2024-12-16 21:17 UTC 2h 14m
  1. resolved

    The incident is resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Issues saving content on the EU Data Center minor 2024-12-12 11:00 UTC 7h 39m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Issue loading email editors and saving emails for some US customers. major 2024-12-08 15:28 UTC 18m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some US customers may experiece issues accessing their Workspace and message delays minor 2024-12-02 18:06 UTC 1h 4m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Customer.io Journeys UI is not available for EU customers major 2024-11-29 13:01 UTC 41m
  1. resolved

    The issue is now resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some Delays in processing data on the EU Data Center minor 2024-11-25 10:16 UTC 12m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Intermittent errors on https link tracking none 2024-11-21 09:19 UTC 1h 19m
  1. resolved

    The issue has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some customers are experiencing errors when previewing templates none 2024-11-18 13:30 UTC 0m
  1. resolved

    When viewing email templates, some customers have reported that the previews are not rendering and are showing an error message. We were able to identify the issue and have resolved it. If you are seeing any further issues, please contact our support team.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Some customers may experience data delays minor 2024-11-11 15:29 UTC 29m
  1. resolved

    The issue has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.

Delayed message deliveries for some EU Customers minor 2024-11-06 02:19 UTC 1h 1m
  1. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Customer.io's status page.