ClickSend Outage History

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ClickSend had 15 outages in the last 2 years totaling 932h 23m of downtime — averaging 0.6 incidents per month.

There were 15 ClickSend outages since April 24, 2025 totaling 932h 23m of downtime. Each is summarised below — incident details, duration, and resolution information.

Source: https://status.clicksend.com/

Minor May 7, 2026

United Kingdom SMS - Degradation for inbound SMS towards Swedish and a subset of United Kingdom long virtual numbers

Detected by Pingoru
May 07, 2026, 03:39 AM UTC
Resolved
May 12, 2026, 02:26 PM UTC
Duration
5d 10h
Affected: SMS
Timeline · 3 updates
  1. investigating May 07, 2026, 03:39 AM UTC

    We are currently observing Inbound SMS delivery degradation for messages sending towards a subset of our United Kingdom Long Virtual Numbers affecting O2 network. You may experience failures or delays for Inbound SMS sending towards your subscribed United Kingdom Long Virtual Numbers affecting O2 network. We are working along with our partners to resolve the issue and will post an update as soon as more information becomes available.

  2. investigating May 08, 2026, 10:21 AM UTC

    We have identified that, in addition to the previously reported impact on United Kingdom Long Virtual Numbers (O2 network), a subset of Swedish virtual numbers is also experiencing inbound SMS delivery degradation. Affected messages may be delayed or fail to deliver when sent to these Swedish numbers. The issue appears to be consistent with the ongoing degradation observed across certain inbound routes. We are continuing to work with our upstream partners to investigate the root cause and restore normal service as quickly as possible. Further updates will be provided as more information becomes available.

  3. resolved May 12, 2026, 02:26 PM UTC

    We are pleased to inform you that the previously reported inbound SMS degradation issue has now been resolved. Resolution Steps: We worked closely with our vendor to identify and resolve the issue, and services are now operating normally again. If you experience any further technical issues or have any questions, please do not hesitate to contact our support team via chat. Our team is available 24/7 to assist you.

Read the full incident report →

Major February 9, 2026

Telstra SMS Issue

Detected by Pingoru
Feb 09, 2026, 02:23 AM UTC
Resolved
Feb 09, 2026, 05:47 AM UTC
Duration
3h 23m
Affected: SMSOnline Dashboard
Timeline · 3 updates
  1. investigating Feb 09, 2026, 02:23 AM UTC

    New messages should now work, previously sent messages will likely be delayed Are you Impacted by signing into ClickSend Dashboard? Workaround: Select the Email Verification option instead of SMS New Customer? Please reach out to our Chat Support or send an email to [email protected]

  2. monitoring Feb 09, 2026, 03:09 AM UTC

    New messages should now work, previously sent messages will likely be delayed Are you Impacted by signing into ClickSend Dashboard? Workaround: Select the Email Verification option instead of SMS New Customer? Please reach out to our Chat Support or send an email to [email protected]

  3. resolved Feb 09, 2026, 05:47 AM UTC

    This incident has been resolved, please let us know if you encounter any issues

Read the full incident report →

Major December 8, 2025

UK Outage/Connection Issues - formerly Dashboard Outage (UK Customers)

Detected by Pingoru
Dec 08, 2025, 11:21 AM UTC
Resolved
Dec 09, 2025, 10:11 AM UTC
Duration
22h 49m
Affected: Online Dashboard
Timeline · 3 updates
  1. investigating Dec 08, 2025, 11:21 AM UTC

    We are aware of connection issues from UK ISPs (including Sky & BT Openreach) to our AWS cloud regional datacenter leading to errors when customers try to log in or access our platform. We have escalated this to AWS.

  2. monitoring Dec 09, 2025, 07:08 AM UTC

    ISP's like 'Sky' seem to have fixed their routing issue to our Datacentre, we are getting confirmation from customers to confirm if the issue is resolved

  3. resolved Dec 09, 2025, 10:11 AM UTC

    This incident has been resolved.

Read the full incident report →

Minor November 26, 2025

ShortURL Flagged by Microsoft

Detected by Pingoru
Nov 26, 2025, 12:00 AM UTC
Resolved
Nov 27, 2025, 12:29 AM UTC
Duration
1d
Affected: SMSMMS
Timeline · 4 updates
  1. identified Nov 26, 2025, 07:52 AM UTC

    We are aware of an issue with our short URLs being flagged by Microsoft as suspicious, we are actively working with Microsoft to get this resolved. This impacts some customers who are using Microsoft Edge browser and/or Microsoft Defender. This is a temporary issue.

  2. identified Nov 26, 2025, 01:10 PM UTC

    The issue has been partially resolved. New SMS messages and campaigns using short URLs are no longer affected. We are continuing to work with Microsoft on resolving the cases that were impacted prior to the fix.

  3. identified Nov 26, 2025, 01:13 PM UTC

    We are continuing to work with Microsoft on resolving the cases that were impacted prior to the fix.

  4. resolved Nov 27, 2025, 12:29 AM UTC

    This incident has been resolved. Microsoft has removed the flag, we have also changed our ShortURL from smsu.io to smsg.us

Read the full incident report →

Major November 18, 2025

Global Network experiencing issues

Detected by Pingoru
Nov 18, 2025, 12:12 PM UTC
Resolved
Nov 18, 2025, 12:39 PM UTC
Duration
27m
Affected: Online DashboardREST APIHTTP API
Timeline · 2 updates
  1. investigating Nov 18, 2025, 12:12 PM UTC

    We are aware of, and investigating an issue which impacts multiple customers: Widespread 500 errors, Dashboard and API also failing. We are working to understand the full impact and mitigate this problem. More updates to follow shortly

  2. resolved Nov 18, 2025, 12:39 PM UTC

    The following services are now operational: • Online Dashboard • REST API We are continuing to monitor performance to ensure stability.

Read the full incident report →

Major October 20, 2025

We are currently experiencing an incident service affecting SMS & MMS Campaigns functionality. Users may not be able send SMS & MMS campaigns through the dashboard or API. We're also experiencing dashboard issues that is showing the old UI.

Detected by Pingoru
Oct 20, 2025, 06:30 PM UTC
Resolved
Oct 20, 2025, 10:49 PM UTC
Duration
4h 18m
Affected: SMSOnline DashboardMMS
Timeline · 4 updates
  1. investigating Oct 20, 2025, 06:30 PM UTC

    The issues has been successfully resolved, and both SMS and MMS campaign services are now fully operational, as well as the login to the dashboard. If you continue to experience any issues, please don’t hesitate to contact our chat support for further assistance.

  2. investigating Oct 20, 2025, 07:10 PM UTC

    The issues has been successfully resolved, and both SMS and MMS campaign services are now fully operational, as well as the login to the dashboard. If you continue to experience any issues, please don’t hesitate to contact our chat support for further assistance.

  3. investigating Oct 20, 2025, 10:22 PM UTC

    The issues has been successfully resolved, and both SMS and MMS campaign services are now fully operational, as well as the login to the dashboard. If you continue to experience any issues, please don’t hesitate to contact our chat support for further assistance.

  4. resolved Oct 20, 2025, 10:49 PM UTC

    The issues has been successfully resolved, and both SMS and MMS campaign services are now fully operational, as well as the login to the dashboard. If you continue to experience any issues, please don’t hesitate to contact our chat support for further assistance.

Read the full incident report →

Minor September 24, 2025

Transactional emails stuck on Queued:WaitSend.

Detected by Pingoru
Sep 24, 2025, 06:20 PM UTC
Resolved
Sep 25, 2025, 05:23 AM UTC
Duration
11h 3m
Affected: Email
Timeline · 5 updates
  1. investigating Sep 24, 2025, 06:20 PM UTC

    We are currently investigating an issue that began around 8:27 AM PST on September 24, 2025, where some Transactional Emails are remaining in the Queued:WaitSend status. Our team is actively working to identify the cause and resolve the problem.

  2. investigating Sep 24, 2025, 06:20 PM UTC

    We are continuing to investigate this issue.

  3. investigating Sep 24, 2025, 08:26 PM UTC

    We are continuing to investigate this issue.

  4. investigating Sep 25, 2025, 05:23 AM UTC

    We are continuing to investigate this issue.

  5. resolved Sep 25, 2025, 05:23 AM UTC

    This incident has been resolved.

Read the full incident report →

Major August 29, 2025

Some customers from Belgium could still be facing issues when sending SMS with shared numbers and own numbers

Detected by Pingoru
Aug 29, 2025, 11:20 PM UTC
Resolved
Aug 30, 2025, 01:15 AM UTC
Duration
1h 55m
Affected: SMSOnline DashboardREST APIEmail to SMS
Timeline · 4 updates
  1. investigating Aug 29, 2025, 11:20 PM UTC

    Some customers from Belgium could still be facing issues when sending SMS with shared numbers

  2. identified Aug 30, 2025, 12:15 AM UTC

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

  3. monitoring Aug 30, 2025, 01:06 AM UTC

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

  4. resolved Aug 30, 2025, 01:15 AM UTC

    This incident has been resolved.

Read the full incident report →

Minor July 22, 2025

Messages and Website Registration Delay

Detected by Pingoru
Jul 22, 2025, 06:44 AM UTC
Resolved
Jul 23, 2025, 01:46 AM UTC
Duration
19h 2m
Affected: SMS
Timeline · 2 updates
  1. investigating Jul 22, 2025, 06:44 AM UTC

    We are currently investigating reports of delays in message approvals and website registration processing. Our team is working to assess the cause and will provide updates as more information becomes available. Thank you for your patience.

  2. resolved Jul 23, 2025, 01:46 AM UTC

    This incident has been resolved.

Read the full incident report →

Minor July 22, 2025

Sender ID and Dedicated Number Issue

Detected by Pingoru
Jul 22, 2025, 01:58 AM UTC
Resolved
Jul 23, 2025, 02:22 AM UTC
Duration
1d
Affected: SMS
Timeline · 3 updates
  1. investigating Jul 22, 2025, 01:58 AM UTC

    We are currently investigating reports of unexpected behavior involving Sender IDs and dedicated numbers. Our technical team is actively assessing the root cause and working to resolve the issue as quickly as possible. We will continue to provide updates as more information becomes available. We appreciate your patience and understanding while we work to restore full functionality.

  2. monitoring Jul 22, 2025, 03:04 AM UTC

    Issues appear to have ceased and we are monitoring the situation

  3. resolved Jul 23, 2025, 02:22 AM UTC

    This incident has been resolved.

Read the full incident report →

Notice June 30, 2025

API Docs

Detected by Pingoru
Jun 30, 2025, 06:32 AM UTC
Resolved
Jul 01, 2025, 12:11 AM UTC
Duration
17h 38m
Affected: Online Dashboard
Timeline · 2 updates
  1. identified Jun 30, 2025, 06:32 AM UTC

    Due to a planned service outage, please expect delays in our chat support response times between 2:30 PM and 3:30 PM AWST. We sincerely apologise for any inconvenience this may cause and appreciate your understanding.

  2. resolved Jul 01, 2025, 12:11 AM UTC

    This incident has been resolved.

Read the full incident report →

Minor June 30, 2025

API Docs Portal Inaccessible

Detected by Pingoru
Jun 30, 2025, 03:40 AM UTC
Resolved
Jul 01, 2025, 01:45 AM UTC
Duration
22h 5m
Affected: HTTP API
Timeline · 3 updates
  1. identified Jun 30, 2025, 03:40 AM UTC

    While we work on fixing this, we’ll be temporarily redirecting to our old portal.

  2. identified Jun 30, 2025, 03:42 AM UTC

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

  3. resolved Jul 01, 2025, 03:28 AM UTC

    This incident has been resolved.

Read the full incident report →

Minor June 18, 2025

'Alphatag' & 'Own Number' sending unavailable for dashboard

Detected by Pingoru
Jun 18, 2025, 01:22 AM UTC
Resolved
Jun 18, 2025, 03:57 AM UTC
Duration
2h 35m
Affected: Online Dashboard
Timeline · 4 updates
  1. investigating Jun 18, 2025, 01:22 AM UTC

    This is a temporary issue that we are currently investigating. This does not impact API

  2. investigating Jun 18, 2025, 01:22 AM UTC

    We are continuing to investigate this issue.

  3. monitoring Jun 18, 2025, 03:16 AM UTC

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

  4. resolved Jun 18, 2025, 03:57 AM UTC

    This incident has been resolved.

Read the full incident report →

Minor April 24, 2025

Delivery Issue United States - AT&T

Detected by Pingoru
Apr 24, 2025, 07:10 AM UTC
Resolved
May 21, 2025, 05:30 AM UTC
Duration
26d 22h
Timeline · 6 updates
  1. investigating Apr 24, 2025, 07:10 AM UTC

    We are currently observing delivery issues for 10DLC in United States - AT&T. Impact for 10DLC: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts We will update as soon as we have more information.

  2. investigating Apr 28, 2025, 04:56 AM UTC

    We are continuing to investigate this issue.

  3. identified May 16, 2025, 03:37 AM UTC

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

  4. monitoring May 16, 2025, 03:38 AM UTC

    We have received an update from AT&T, and AT&T is currently upgrading their network to accommodate the growing demands of the industry and to introduce new services. As part of this upgrade, AT&T is migrating A2P traffic from older network components to a new gateway. During this transition, Sinch ClickSend, along with other partners, have actively migrated significant volumes of traffic throughout April and May. However, this process encountered some issues that necessitated updates to AT&T's network. These challenges did affect message processing temporarily, but they have since been resolved, and A2P message processing is now operating at the expected service levels. Sinch ClickSend remains in continuous communication with AT&T regarding the above information, and we have observed a significant improvement following AT&T's corrective actions. We continue to collaborate with AT&T to address a few residual error types that some customers are still experiencing.

  5. monitoring May 16, 2025, 03:39 AM UTC

    We are continuing to monitor for any further issues.

  6. resolved May 21, 2025, 05:30 AM UTC

    This incident has been resolved.

Read the full incident report →