Incident History

Resolved · February 1, 2:09 PM (in less than a minute)

On February 1, 2026, between 7:58 and 14:30, there was a temporary disruption affecting SMS delivery. During this period, only a limited number of SMS messages were successfully sent. We apologize for any inconvenience caused. The service is now fully restored.

Resolved · January 14, 12:16 PM (in less than a minute)

We would like to inform you about a temporary service disruption affecting our Voice Gateway. Between 12:58 CET and 13:03 CET, the gateway was unable to process calls. The root cause of this incident was identified as a temporary overload of the memory interface, which prevented normal call execution during this period. We sincerely apologize for any inconvenience this may have caused and want to assure you that we have taken measures to prevent similar occurrences in the future. Thank you for your understanding.

Resolved · December 3, 11:03 AM (in less than a minute)

Due to a power supply disruption, a portion of the hosted SIMs was unavailable for one hour.

Resolved · October 16, 7:53 AM (in 52h 10m)

An unexpected failure of network interfaces occurred on our main server, resulting in extended outages. We have now restored operations. There are still performance issues in some areas, which we are working on resolving. Such repeated outages are very stressful for us. Therefore, we are now massively expanding our infrastructure and converting it to a highly available cluster environment. We will keep you regularly updated on the progress of this upgrade so that you are always aware of the measures we are taking to prevent similar problems in the future. We regret to announce that there were repeated disruptions to the main server between October 13th and 15th: October 13th, 2025, 9:01 PM – Main server down, incident listed on the status page, duration: approximately 8 hours. October 14th, 2025, 6:54 PM – Disruption of individual services, no incident update listed on the status page, duration: approximately 1 hour. October 15th, 2025, 11:35 PM – Disruption of individual services, no incident listed on the status page, duration: approximately 15 minutes. October 16th, 2025 - Minor performance losses, no downtime recorded. We apologize for any inconvenience and thank you for your understanding.

Resolved · October 14, 3:42 AM

Between October 13, 2025, 21:06 UTC+2 and October 14, 2025, 05:11 UTC+2, one production node became unresponsive due to an unexpected system failure. The node was restored to normal operation, and all services have been stable since. Further investigation is underway to identify the underlying cause.

Resolved · July 4, 6:49 AM (in 25 minutes)

This incident has been resolved.

Investigating · July 4, 6:47 AM (1 minute earlier)

This incident has been resolved, all systems are running. Thank you for your patience and understanding.

Investigating · July 4, 6:46 AM (22 minutes earlier)

We are continuing to investigate this issue.

Investigating · July 4, 6:23 AM

We are currently experiencing a major outage affecting our main gateway. Our technical teams are actively investigating the root cause and working to resolve the issue as quickly as possible. We understand how critical our services are to your operations and sincerely apologize for the inconvenience. We are treating this with the highest priority and will provide regular updates. You can follow live updates on status.seven.io. Thank you for your patience and understanding.

Resolved · December 5, 8:50 AM (in less than a minute)

This morning we had a disruption on the inbound servers from 9am to 9:45am. The problem has been resolved and all systems are working properly again.

Resolved · November 25, 12:51 PM (in less than a minute)

Some services have been experiencing performance issues over the last hour. We have resolved the issue and apologize for any inconvenience.

Resolved · August 26, 8:33 AM (in less than a minute)

This morning some customers may have expected a false response from our SMS API. The problem has been solved within two hours and everything should be back to normal. Thank you for your understanding.

Resolved · August 15, 7:21 AM (in less than a minute)

On August 10, 2024, our database server had a replication error, causing a problem in the data transfer. Some of our applications query data from the replication to relieve the load on the productive main server. The server is now under extended monitoring. No further disruptions are expected in this regard.

Resolved · September 11, 2:30 PM (in 5 minutes)

The incident has been fixed. All systems are reachable again

Identified · September 11, 2:25 PM

There is currently a fault on one of the switches in our data center which may lead to poor accessibility of our services. Our technicians are working at full speed to analyze the cause and fix the problem. Please be patient. As soon as new information is available, we will inform you on this website. Please excuse the inconvenience. Thank you for your understanding.

Resolved · June 20, 4:50 AM (in 20h 28m)

The SMS delivery to the O2 network in Germany is operating in regular performance again.

Investigating · June 19, 8:22 AM

Currently we experience SMS delivery delays when sending messages to O2 Network in Germany. Our engineers are working with our carrier partner to resolve the issue. We will provide another update as soon as more information becomes available.

Resolved · May 30, 4:19 PM (in 3h 11m)

This incident has been resolved. We do not experience any unusual traffic anymore. So far we managed to block a total of about 3.000.000 requests within a couple of minutes and blocked about 10.000 hosts. Nevertheless we continue extensive monitoring of all systems.

Monitoring · May 30, 1:08 PM

Unfortunately today we are experiencing several DDoS attacks on our servers. Teams are working hard to mitigate/manage. This is causing a lot of high load, or connection issues. Currently our systems are working at normal rates again. Thank you for your patience.

Resolved · December 8, 8:21 AM (in 24h 8m)

This incident has been resolved.

Monitoring · December 7, 11:47 AM (1h 4m earlier)

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

Identified · December 7, 10:43 AM (2h 30m earlier)

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

Investigating · December 7, 8:12 AM

Unfortunately we are experiencing a mass DDoS attack on our servers. Teams are working hard to mitigate/manage. This is causing a lot of high load, or connection issues. Thanks for your patience. We will keep you updated when everything went back to normal.

Resolved · July 19, 10:17 AM (in 53 minutes)

This incident has been resolved.

Monitoring · July 19, 9:27 AM (3 minutes earlier)

The issue is fixed and we are monitoring it further.

Identified · July 19, 9:24 AM

We are currently investigating poor accessibility to our service.

Resolved · March 17, 1:56 PM (in 5h 10m)

Our phone is back and we are reachalbe again for you. Thanks for your patience and your understanding.

Identified · March 17, 10:35 AM (1h 48m earlier)

The problem is identified and we are waiting for a solution from our telephony partner.

Investigating · March 17, 8:46 AM

Dear customers, due to a breakdown of our telephone system, we are temporarily unavailable by phone. Please contact us alternatively via mail or live chat.

Resolved · February 12, 2:36 AM (in 11 minutes)

This incident has been resolved.

Monitoring · February 12, 2:34 AM (1 minute earlier)

We are continuing to monitor for any further issues.

Monitoring · February 12, 2:33 AM (6 minutes earlier)

SMS MT queues still decrease gradually to a common level and we observe normal SMS delivery times. We are continuing monitoring this issue.

Identified · February 12, 2:27 AM (1 minute earlier)

SMS MT queues built within our platform are due to high traffic. However, we observe queues decreasing gradually. We will update on further improvements.

Investigating · February 12, 2:25 AM

Our internal monitoring has alerted to an incident, where we have SMS MT queues built within our platform. This would potentially cause delay in delivery for messages.

Resolved · September 23, 1:20 PM (in less than a minute)

Due to an issue our service availability has been downgraded in the night from Thuesday until Wednesday morning. There may have been some interrupts or missing responses from the gateway. This led to partial interruptions in availability.

Resolved · November 24, 3:36 PM (in 22h 12m)

This incident has been resolved.

Monitoring · November 24, 1:04 PM (19h 39m earlier)

We are continuing to investigate this issue. Currently it seems that since today most of the SMS reach their destination quickly.

Identified · November 23, 5:24 PM

Due to an massive outage in the infrastructure of Vodafone Germany SMS to this network currently might not get delivered.

Resolved · July 30, 11:44 AM (in less than a minute)

This incident has been resolved.

Resolved · April 3, 10:17 AM (in 1h 7m)

This incident has been resolved.

Investigating · April 3, 10:16 AM (1h 7m earlier)

This issue has been resolved now. Please apologize for any inconvenience caused.

Investigating · April 3, 9:09 AM

Currently the inbound sms system is partly not available so that incoming SMS may be not forwarded. We are investigating this issue and working on a solution.