OneSignal Outage History

Status: Investigating What’s happening: Delivery of inteligent/timezone notifications will be delayed, we’re investigating the situation Who’s affected: • All customers may be affected Current Status: We are investigating the issue and will provide an update in 10 minutes Affected components Email (Degraded performance) SMS (Degraded performance) In-App Messages (Degraded performance) Push (Degraded performance)

Status: Investigating What’s happening: Users may be experiencing issues interacting with the dashboard Who’s affected: • Customers interacting with the dashboard Current Status: We are investigating the issue and will provide an update in [2 minutes] Affected components Dashboard / UI (Partial outage)

Status: Investigating What’s happening: We are currently investigating an issue affecting Dashboard login. Users attempting to authenticate may experience login failures or be unable to access their accounts. Our team is actively working to identify the root cause and restore normal functionality. Who’s affected: Users who need to sign into the dashboard-It may be unable to log in. Current Status: We are investigating the issue and will provide an update in 30 minutes Affected components Dashboard / UI (Partial outage)

Status: Investigating What’s happening: Timezone based and intelligent deliveries impacted because of backlog of messages. Who’s affected: • Any free customers using Timezone-based Delivery, Intelligent Delivery, or Retry Delivery. Current Status: We are investigating the issue and will provide an update in 30 minutes Affected components Email (Degraded performance) SMS (Degraded performance) In-App Messages (Degraded performance) Push (Degraded performance)

Status: Investigating What’s happening: Some customers are unable to access the dashboard or API Who’s affected: • Customers with an app id starting with 2 Current Status: We are investigating the issue and will provide an update in 15 minutes Affected components Dashboard / UI (Partial outage) APIs & SDK Endpoints (Partial outage)

Status: Investigating What’s happening: Dashboard and API users currently experiencing sporadic instability Who’s affected: • All customers using the dashboard, creating messages in the dashboard Current Status: We are investigating the issue and will provide an update in a few minutes Update: we are scaling hardware resources to resolve this issue. Affected components Dashboard / UI (Partial outage) APIs & SDK Endpoints (Partial outage)

Status: Investigating What’s happening: Dashboard and API request are increased Who’s affected: All customers may be affected Current Status: We are investigating the issue and will provide an update in 10 minutes Affected components Dashboard / UI (Degraded performance) APIs & SDK Endpoints (Degraded performance)

Status: Investigating What’s happening: Customers attempting to use the dashboard and API are encountering errors. Who’s affected: All customers attempting to use the dashboard and API Current Status: We are investigating the issue and will provide an update in 10 minutes Affected components Dashboard / UI (Full outage) APIs & SDK Endpoints (Full outage)

Status: Investigating Notification#Create is experiencing elevated rates of HTTP 500 status codes. The team is investigating a root cause and is rolling over the faulty pods. We'll give another status update in the next 30 minutes Affected components APIs & SDK Endpoints (Partial outage)

Status: Investigating What’s happening: We're still seeing some elevated error rates in the Notification#Create endpoint Who’s affected: • Customers using the public Notifications api endpoint may experience failures when trying to create a new notification Current Status: We are investigating the issue and will provide an update in 1 hour Affected components APIs & SDK Endpoints (Partial outage)

Status: Investigating We are still investigating the issue. Around 9am this morning, we noticed an increase in lag on email deliveries. That has now transitioned into stuck delivery jobs that are not processing. The team is investigating a way to get the delivery jobs to continue, but until then expect potential delays and a potential need to resend emails. We will provide another update in 30 minutes. Affected components Email (Full outage)

Status: Investigating The investigation is still ongoing. So far we have 27 delivery jobs that we know are stuck, but we are still still determining the scope of the delays. Affected components Email (Full outage)

Status: Investigating What’s happening: Restart of an internal service caused many connections to be reset at once, which led to errors upon reconnect. Who’s affected: 5% of customers during a 2 min period • The dashboard / UI • Notifications create • Delayed journey messages for 2 min Current Status: This is resolved Affected components Dashboard / UI (Partial outage) Journeys (Partial outage)

Status: Investigating What’s happening: We are experiencing delays of 1h in processing of data feeds. Who’s affected: Customers with journeys using data feeds. Current Status: We are investigating the issue and will provide an update in 1h. Affected components Journeys (Degraded performance)

Status: Investigating What’s happening: Email and scheduled messages are experiencing a delivery delay Who’s affected: All customers actively sending emails & scheduled messages Current Status: We are investigating the issue and will provide an update in 30 minutes

Status: Investigating What’s happening: We are experiencing a delay in processing and sending messages. Who’s affected: All messages being delivered are delayed. Current Status: We are investigating the issue and will provide an update in 15 minutes.

Status: Investigating What’s happening: We are seeing elevated error rates sending messages via Journeys. Who’s affected: All customers with Journeys currently processing messages Current Status: We are investigating the issue and will provide an update in 15 minutes.

Status: Investigating What’s happening: Journey’s/webhooks processing is delayed. Who’s affected: • All customers using Journeys or Webhooks Current Status: We are investigating the issue and will provide an update in 15 minutes.

Status: Investigating What’s happening: The OneSignal dashboard is currently not loading. Who’s affected: • All customers using dashboard.onesignal.com Current Status: We have identified that Cloudflare is not serving our dashboard to users globally. We're investigating a fix. The outage is only on the dashboard, not on api endpoints. Affected components Dashboard / UI (Full outage)