What is Customer.io Message Sending current status?

Customer.io Message Sending is currently operational. You can check Customer.io Message Sending status and current incidents and outages on the top of the page. The status is updated in almost real-time, and you can see the issues affecting customers.

How to monitor or check Customer.io Message Sending status?

You can use IsDown service or go to Customer.io official status page. Some accounts also use Twitter to communicate the status.

How can I be notified when Customer.io Message Sending is having issues or undergoing maintenance?

You can create an account in IsDown and monitor multiple services or subscribe for updates on the official status page. IsDown will send you a notification in real-time when Customer.io Message Sending has issues. Customer.io official status page might also offer notification options such as email, SMS, or Slack.

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Customer.io status updated 3 minutes 56 seconds ago

Customer.io Message Sending Status. Is Customer.io Message Sending Down?

Q: Is Customer.io Message Sending down today?

Customer.io Message Sending was not down today according to the official status page. In the last 24 hours, there were 0 outages reported. IsDown continuously monitors the Customer.io status page, looking for the latest outages and issues affecting customers. Check all recent outages in the section 'Latest Customer.io Message Sending outages, issues and problems' at the top of the page.

Check if Customer.io Message Sending is down, official outages, user-reported issues, and outages map.

Is Customer.io Message Sending down right now?

Customer.io Message Sending is working normally

IsDown checked Customer.io Message Sending status on January 09, 2026 at 09:09 PM EST, and appears to be operational. We've received 0 user reports in the past 24 hours. IsDown collects in real-time Customer.io Message Sending status data from official sources and user reports.

Message Sending is a component of Customer.io ›

Customer.io Message Sending service health. Issues reported in the last 24 hours

Check the number of user-reported issues over the past 24 hours, grouped into 20-minute intervals. It's normal to see occasional reports, which may be due to individual user issues rather than a broader problem. We only consider an issue widespread if there are multiple reports within a short timeframe.

Working Normally

Possible Incident

Confirmed Outage

View Customer.io Reports Map

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User reports for Customer.io Message Sending

See what users are saying about Customer.io Message Sending issues that impacted them and how they are affected by the outage.

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Customer.io Message Sending outages and downtime history

IsDown has tracked 53 incidents for Customer.io Message Sending since started monitoring Customer.io status in April 2020. We collect data from 5350+ services, and normalize the data to give you a clear picture of the impact of the outage. It will show official Customer.io Message Sending outages and also issues that we're started by a spike in crowdsource reports.

Minor about 2 hours

Customers may be impacted by data delays

Dec 08, 2025 at 01:12 PM

Minor 37 minutes

US infrastructure delays with sending emails

Nov 24, 2025 at 03:15 AM

Minor about 1 hour

Some workspaces experiencing delays in campaign journeys and deliveries in US...

Nov 04, 2025 at 03:46 PM

Major about 5 hours

Some US customers may be impacted by data delays and UI errors

Oct 30, 2025 at 01:25 PM

Minor 11 minutes

Delayed Workspace Performance

Oct 29, 2025 at 04:02 PM

Minor about 2 hours

Delayed Workspace Performance

Oct 23, 2025 at 05:26 PM

Minor about 3 hours

Twilio Templates Outage

Oct 20, 2025 at 02:45 PM

Minor 12 minutes

Some customers in the US are experiencing delays

Sep 30, 2025 at 05:10 PM

Minor 19 minutes

Some customers in our US region are experiencing delays

Sep 12, 2025 at 03:02 PM

Minor about 9 hours

Some customers on the US Data Center may experience Message Delays.

Jul 18, 2025 at 06:29 AM

Date	Incident	Duration
Dec 08, 2025 01:12 PM EST	Minor Customers may be impacted by data delays We identified a recent change that might cause data delays. We are investigating.	about 2 hours
Nov 24, 2025 03:15 AM EST	Minor US infrastructure delays with sending emails Our team is aware of an issue with Campaign deliveries and Transactional emails going out. We are...	37 minutes
Nov 04, 2025 03:46 PM EST	Minor Some workspaces experiencing delays in campaign journeys and deliveries in US Data Center We are currently investigating this issue.	about 1 hour
Oct 30, 2025 01:25 PM EDT	Major Some US customers may be impacted by data delays and UI errors Some US customers will experience errors in the UI and delays in data processing and sending. We...	about 5 hours
Oct 29, 2025 04:02 PM EDT	Minor Delayed Workspace Performance We are currently investigating an issue where some customer may see delays in data processing and...	11 minutes
Oct 23, 2025 05:26 PM EDT	Minor Delayed Workspace Performance We are currently investigating this issue. You may see delays in data processing and message send...	about 2 hours
Oct 20, 2025 02:45 PM EDT	Minor Twilio Templates Outage We are experiencing intermittent errors with our upstream provider for Twilio templates. Custome...	about 3 hours
Sep 30, 2025 05:10 PM EDT	Minor Some customers in the US are experiencing delays We have identified an issue that may cause some customers with accounts in the US to experience d...	12 minutes
Sep 12, 2025 03:02 PM EDT	Minor Some customers in our US region are experiencing delays Our engineers have identified that some customers may be experiencing delays with data processing...	19 minutes
Jul 18, 2025 06:29 AM EDT	Minor Some customers on the US Data Center may experience Message Delays. Our team has identified an issue that is causing some messaging to encounter delays. Our team is ...	about 9 hours

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Frequently Asked Questions

Is Customer.io Message Sending down today?

Customer.io Message Sending isn't down. You can check Customer.io Message Sending status and incident details on the top of the page. IsDown continuously monitors Customer.io Message Sending official status page every few minutes. In the last 24 hours, there were 0 outages reported.

What is the current Customer.io Message Sending status?

Customer.io Message Sending is currently operational. You can check Customer.io Message Sending status and incident details on the top of the page. The status is updated in almost real-time, and you can see the latest outages and issues affecting customers.

Is there a Customer.io Message Sending outage now?

No, there is no ongoing official outage. Check on the top of the page if there are any reported problems by other users.

Is Customer.io Message Sending down today or just slow?

Currently there's no report of Customer.io Message Sending being slow. Check on the top of the page if there are any reported problems by other users.

How are Customer.io Message Sending outages detected?

IsDown monitors the Customer.io Message Sending official status page every few minutes. We also get reports from users like you. If there are enough reports about an outage, we'll show it on the top of the page.

Is Customer.io Message Sending having an outage right now?

Customer.io Message Sending last outage was on December 08, 2025 with the title "Customers may be impacted by data delays"

How IsDown compares to DownDetector when monitoring Customer.io?

IsDown and DownDetector help users determine if Customer.io is having problems. The big difference is that IsDown is a status page aggregator. IsDown monitors a service's official status page to give our customers a more reliable source of information instead of just relying on reports from users. The integration allows us to provide more details about Customer.io's Outages, like incident title, description, updates, and the parts of the affected service. Additionally, users can create internal status pages and set up notifications for all their third-party services.

Customer.io Message Sending Status. Is Customer.io Message Sending Down?

Is Customer.io Message Sending down right now?

Customer.io Message Sending not working for you?

Customer.io Message Sending service health. Issues reported in the last 24 hours

View Customer.io Reports Map

Be the first to know when Customer.io Message Sending goes down

User reports for Customer.io Message Sending

Customer.io Message Sending outages and downtime history

Be the first to know when Customer.io Message Sending goes down

Frequently Asked Questions

Is Customer.io Message Sending down today?

What is the current Customer.io Message Sending status?

Is there a Customer.io Message Sending outage now?

Is Customer.io Message Sending down today or just slow?

How are Customer.io Message Sending outages detected?

Is Customer.io Message Sending having an outage right now?

How IsDown compares to DownDetector when monitoring Customer.io?

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