Supercheck
Supercheck: A broad open-source option for teams needing self-hosted synthetic monitoring. Ranked #14 of 42 in Synthetic Monitoring by our editors (7.9/10); pricing: Open source; best for open-source self-hosted synthetic monitoring.
At a glance
- Editor score7.9 / 10
- PricingOpen source
- Best forOpen-source self-hosted synthetic monitoring
- Paid fromFree
- Facts checked20 Sep 2026
Where it wins
- Scheduled Playwright checks cover multi-step browser journeys.
- Supports browser, API, database, custom, and k6 performance tests.
- Includes artifacts, multiregion execution, RBAC, and public status pages.
Where it doesn't
- Self-hosted deployment places environment management with the team.
- Synthetic monitors have a recommended minimum five-minute interval.
- Available monitoring locations depend on administrator configuration and deployment.
Our verdict on Supercheck
Supercheck is an open-source, self-hosted reliability platform for engineering teams that need synthetic monitoring alongside testing and status pages. It combines scheduled Playwright browser monitors with HTTP and API endpoint checks, website, SSL, ping, and port monitoring, plus browser, API, database, custom, and k6 performance tests. Its scope suits teams that want to validate user journeys such as login, checkout, and form submission while keeping execution in their own environment.
The standout strength is breadth across monitoring and investigation. Browser, API, transaction, and journey checks are supported, while multi-location execution can run from administrator-configured regions. Each run can produce screenshots, traces, videos, logs, and other artifacts, giving engineering teams material for investigating failures. Kubernetes and gVisor sandboxed execution add an infrastructure-focused execution model, and role-based access control, API keys, and audit trails support shared operational workflows.
Supercheck also connects alerting and incident communication with email, Slack, Discord, Telegram, Microsoft Teams, and webhooks. Public status pages and subscriber notifications extend monitoring beyond internal teams, while Azure DevOps is listed as an integration. The tradeoff is that this is a self-hosted platform rather than a narrowly focused hosted uptime checker: deployment, execution locations, and operational configuration sit within the team's environment. Synthetic monitor documentation recommends a minimum five-minute interval. Choose Supercheck when open-source control, broad test coverage, artifacts, and self-hosting matter; choose a simpler hosted monitor when those capabilities would add unnecessary operational scope.
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Supercheck pricing
Supercheck fact sheet
| Free plan | Not verified |
|---|---|
| Paid from | Free |
| Locations | Not verified |
| Fastest schedule | Not verified |
| Browser checks | Yes |
| API checks | Yes |
| Transaction checks | Yes |
| Journey checks | Yes |
| Deployment | Self-hosted, Cloud, Browser extension |
| Platforms | Web, Linux, Chrome extension |
| Support | Community, Docs, Email |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 7 integrations: Email, Slack, Discord, Telegram, Microsoft Teams, Webhooks … |
| Pricing | Open source |
| Website | supercheck.io |
| Facts checked | 20 Sep 2026 |
Supercheck integrations
Supercheck lists 7 integrations on its own site.
- Slack
- Discord
- Telegram
- Microsoft Teams
- Webhooks
- Azure DevOps
Alternatives to Supercheck
- ChecklyBroad synthetic monitoring coverage with a free plan and paid features for growing teams.9.4
- Testable Synthetic MonitoringEvidence-rich synthetic monitoring with browser, API, infrastructure, and private-network coverage.9.2
- Site24x7 Synthetic MonitoringBroad synthetic monitoring with browser, API, private-location, and one-minute coverage.9.0
See all Supercheck alternatives →
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Featured on iTechGuides
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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