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Fast, actionable alerts

Take quick action against an incident directly from the alert. Alerts are unlimited, and they reach you within one second.

One incident, every channel your team already uses

Real-time voice alerts

Phone calls

Get phone call alerts within just 1 second. Perfect if your system is caught off-guard — the call rings through even with Do Not Disturb on.

Acknowledge
Resolve
Escalate
On-call alerts
Phone, SMS alerts to 100+ countries
Phone call screen with Do Not Disturb on, Spike calling, and decline and accept buttons
No app required

SMS

Plain text alerts land on any phone, even without a data connection — a reliable fallback for when nothing else gets through.

Acknowledge
Resolve
On-call alerts
Text message notification showing incident 183075 triggered, API gateway down on US East 1
Full context in your inbox

Email

Email alerts carry the full picture of the incident, and you can reply to the email to take quick actions.

Acknowledge
Resolve
On-call alerts
Alert channels list with toggles for WhatsApp, Slack, and Email
Native workspace alerts

Slack

Handle incidents directly within Slack with real-time updates, dedicated channels, and on-call alerts.

Acknowledge
Resolve
Escalate
Create new incident
Discuss in a channel
On-call alerts
Learn more
Slack channel #incident-123 showing an automated Spike message about an API latency spike in us-west-2, with acknowledge and resolve buttons
Chat-based incident actions

WhatsApp

Acknowledge or resolve incidents right from the WhatsApp thread, with interactive commands so nothing gets missed.

Acknowledge
Resolve
On-call alerts
WhatsApp conversation showing a Spike incident alert with acknowledge and resolve replies

Discover more

See how alerts plug into the rest of the incident lifecycle.

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Spike.sh incident timeline showing an alert escalating through on-call responders