Outage in Optus

Delayed delivery - SMS Messages

Resolved Minor

March 27, 2026 - Started 5 days ago - Lasted about 1 hour
Official incident page

Incident Report

We are experiencing delays in SMS message delivery, we are investigating the cause of the delay and will work to remedy the issue as soon as possible. Messages will queue within our systems for delivery once any queues have cleared. A further update will be posted shortly. Regards, Optus SMS Support Team

Components affected

Optus Mobile Gateway (API) Optus Two Factor Authentication Optus Email2SMS Optus Subscriptions Optus Australia Optus Mobile Studio Optus Rest of the World Optus Single Sign On (SSO) Optus Campaign Manager Optus Web2SMS Optus Sending Hours

Need to monitor Optus outages?

Monitor all your external dependencies in one place
Get instant alerts when outages are detected
Be the first to know if service is down
Show real-time status on private or public status page
Keep your team informed

Start monitoring for free

Latest Updates ( sorted recent to last )

RESOLVED 5 days ago - at 03/27/2026 01:13AM

We are happy to report that messages have continued to flow normally, and we are now resolving this incident.

Regards,

Optus SMS Support Team

MONITORING 5 days ago - at 03/27/2026 12:52AM

The issue causing delays in message delivery has been resolved, queued messages have now been sent and delivery has returned to normal levels.

If you are still experiencing issues please contact the support team.

Regards,
Optus SMS Support Team

INVESTIGATING 5 days ago - at 03/27/2026 12:13AM

We are experiencing delays in SMS message delivery, we are investigating the cause of the delay and will work to remedy the issue as soon as possible.

Messages will queue within our systems for delivery once any queues have cleared.

A further update will be posted shortly.

Regards,
Optus SMS Support Team

Latest Optus outages

Campaign Manager – Large Campaign Processing Delays - about 1 month ago

Delivery Issue Australia - Telstra - about 2 months ago

Campaign Manager - Upload List Error - Work-around available - 6 months ago

API Messaging Outage - 6 months ago

SMS Suite Outage - 9 months ago

The Status Page Aggregator with Early Outage Detection

With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.

Start free trial

No credit card required · Cancel anytime · 6020 services available

Integrations with Slack Microsoft Teams Google Chat Datadog PagerDuty Zapier Discord Webhook