Checkly vs Gatus
No clear leader: Checkly (63.8) and Gatus (63.1) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.
Capabilities
Feature-by-feature on the axes that matter for api monitoring. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
Checkly
A code-first monitoring platform that runs continuous uptime checks, API tests, and browser-based workflows from multiple global locations to detect outages and performance issues. Sends alerts through various channels and supports custom monitoring logic via TypeScript.
Gatus
A platform for tracking service health across websites, APIs, and infrastructure. It detects outages automatically, publishes real-time status pages, and alerts teams via multiple channels.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Checkly
From $24/month billed annually. Free tier includes 10 monitors and 1k browser/10k API checks.
- HobbyFree
- Uptime monitoring (HTTPS, TCP, DNS, ICMP, Heartbeat)
- 10 uptime monitors
- 1,000 browser/Playwright checks per month
- 10,000 API checks per month
- 6 global monitoring locations
- +2 more
- Starter$24/month billed annually
- 50 uptime monitors
- 1-minute check frequency
- 3,000 browser checks per month
- 25,000 API checks per month
- Automatic retry before alerting
- +3 more
- Team$64/month billed annually
- 75 uptime monitors
- 30-second check frequency
- 12,000 browser checks per month
- 100,000 API checks per month
- 22 global locations
- +7 more
- EnterpriseContact sales
- Custom monitor and check volumes
- 1-second check frequency
- 22 global locations with parallel and round-robin scheduling
- Private locations
- All alerting channels
- +1 more
Gatus
From $10/month. Free 7-day trial.
- Standard$10/month
- HTTP, ICMP, DNS, TCP, UDP, TLS, SCTP, SSH, gRPC, WebSocket monitoring
- Status code, response body/JSONPath, certificate expiration, domain expiration conditions
- Response time and connection monitoring
- Slack, Teams, Telegram, Discord, Google Chat, Gotify, Matrix, Mattermost, n8n, Ntfy, Opsgenie, Email, Gitea, GitHub, GitLab integrations
- Static egress IP for firewall whitelisting
- +3 more
- Premium$20/month
- All Standard features
- Push-based monitoring
- Incident announcements
- Additional integrations: Messagebird, Pushover, AWS SES, ilert, Incident.io, PagerDuty, Twilio, SIGNL4
- Business$50/month
- All Premium features
- Metrics dashboard
- Single Sign-On (SSO)
- Custom CSS
- Custom integrations
- EnterpriseContact sales
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
- Slack
- PagerDuty
- Incident.io
- OpsGenie
- GitHub
- Telegram
Checkly
- Rootly
- GitHub Actions
- GitLab CI
- Jenkins
- Vercel
- Terraform
- Pulumi
- Webhook
- Airflow
- Kubernetes
- MCP
Gatus
- Microsoft Teams
- Discord
- Google Chat
- Gotify
- Matrix
- Mattermost
- n8n
- Ntfy
- Gitea
- GitLab
- Messagebird
- Pushover
- AWS SES
- ilert
- Twilio
- SIGNL4
- Custom
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.