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HeyOnCall
What it is
HeyOnCall combines website and API monitoring with incident management and on-call alerting. Its checks cover HTTP and HTTPS uptime and performance, response assertions, redirects, request and response inspection, SSL certificates, and heartbeat or cron activity. Certificate checks validate certificates and chains and can warn before expiration. Teams can set timezone-aware rotations, edit or trade shifts, and sync with Google Calendar, Outlook, or iCalendar feeds. Unacknowledged incidents can escalate to another user, a rotation, or everyone in a rotation. On iOS and Android, Critical Alerts can bypass Do Not Disturb, silent or vibrate modes, and volume settings, repeating until acknowledged. Monitoring inputs include Datadog, Prometheus Alertmanager, Uptime Kuma, and other webhook-capable tools; alerts can go to Slack, email, Telegram, or webhooks. An API supports custom application triggers, incident resolution, and custom payloads. The Free Trial for evaluating costs nothing, Solo costs $3 a month, and Pro costs $32 a month. Trial limits include 10 users and fewer triggers; paid plans allow 1000 triggers of each listed type.
For and against
For
- Checks websites, APIs, SSL, heartbeats, and cron jobs
- Timezone-aware rotations with calendar integration
- Escalations can notify users or rotations
- Critical Alerts repeat until acknowledged
- API supports custom triggers and payloads
Against
- Free evaluation limits users to 10
- Solo has no on-call scheduling
- Plans limit each trigger type to 1000
The verdict
HeyOnCall combines monitoring, incident handling, schedules, and alert delivery, with mobile Critical Alerts and multiple notification channels. Check the plan limits and scheduling differences when choosing between the evaluation, Solo, and Pro plans.
Who it suits
HeyOnCall is aimed at small engineering teams and solo founders seeking paging with simple setup. Solo lacks on-call scheduling, while Pro includes it.
Plans and prices
Free Trial for evaluating
10 users · 3 outbound probe triggers · 1 each inbound liveness, Datadog, Prometheus, and manual trigger · all on-call scheduling
Read 30 Sep 2026 · heyoncall.com
Free Trial for evaluating
10 users · 3 outbound probe triggers · 1 each inbound liveness, Datadog, Prometheus, and manual trigger · all on-call scheduling
Read 30 Sep 2026 · heyoncall.com
Solo for individuals
1 user · 1000 triggers per listed type · no on-call scheduling · HEAD/GET/POST/PUT/PATCH requests with custom headers and body
Read 30 Sep 2026 · heyoncall.com
Solo for individuals
1 user · 1000 triggers per listed type · no on-call scheduling · HEAD/GET/POST/PUT/PATCH requests with custom headers and body
Read 30 Sep 2026 · heyoncall.com
Pro for teams
Unlimited users · 1000 triggers per listed type · all on-call scheduling · HEAD/GET/POST/PUT/PATCH requests with custom headers and body
Read 30 Sep 2026 · heyoncall.com
Pro for teams
Unlimited users · 1000 triggers per listed type · all on-call scheduling · HEAD/GET/POST/PUT/PATCH requests with custom headers and body
Read 30 Sep 2026 · heyoncall.com
On the record
- Alerting
- Its iOS and Android Critical Alerts can bypass Do Not Disturb, silent/vibrate modes, and volume settings, and repeat until acknowledged.heyoncall.com · read 30 Sep 2026
- API
- Custom application triggers can fire alerts and resolve incidents through the API, and the product supports custom payloads.heyoncall.com · read 30 Sep 2026
- Audience
- The product is for small engineering teams and solo founders seeking reliable paging, simple setup, and fewer moving parts.heyoncall.com · read 30 Sep 2026
- Company
- HeyOnCall was built by two engineers who met at MIT EECS and launched the product in 2022.heyoncall.com · read 30 Sep 2026
- Escalations
- Unacknowledged incidents can escalate through configurable levels to another user, rotation, or everyone in a rotation.heyoncall.com · read 30 Sep 2026
- Integrations
- Listed monitoring sources include Datadog, Prometheus Alertmanager, Uptime Kuma, and other webhook-capable tools; alert channels include Slack, email, Telegram, and webhooks.heyoncall.com · read 30 Sep 2026
- Monitoring
- Website and API monitoring includes HTTP/HTTPS uptime and performance checks, response assertions, redirects, and request/response inspection.heyoncall.com · read 30 Sep 2026
- Notable limit
- The pricing page limits each paid plan to 1000 triggers of each listed type, while the free evaluation plan limits the user count to 10 and has fewer triggers.heyoncall.com · read 30 Sep 2026
- On-call
- On-call rotations support timezone-aware scheduling, shift edits and trades, and calendar integration with Google Calendar, Outlook, and iCalendar feeds.heyoncall.com · read 30 Sep 2026
- Operator
- The terms identify the operator as CircuitLab, Inc., a Delaware corporation.heyoncall.com · read 30 Sep 2026
- Product
- HeyOnCall combines website and API monitoring, heartbeat and cron monitoring, SSL checks, incident management, on-call schedules, escalations, and alert delivery.heyoncall.com · read 30 Sep 2026
- SSL checks
- SSL monitoring validates certificates and chains and can warn before a certificate expires.heyoncall.com · read 30 Sep 2026
- Support
- The maker directs users with pricing questions to [email protected] and invites feature questions by email.heyoncall.com · read 30 Sep 2026
