The Best Api Monitoring Tools
Stop searching. We've ranked the top tools used by profitable founders to build and scale your startups.
Self-hosted, open-source monitoring with 20-second intervals and 78+ alert channels
50 free monitors, 5-minute checks, email/SMS alerts included forever
Free, open-source API development platform with REST/GraphQL/WebSocket testing, no signup
Incident management + uptime monitoring + logs, 30x cheaper than Datadog, flat pricing
30-second checks from 6 global regions, solo founder-backed, multi-location verification
Distributed tracing + metrics + logs with OpenTelemetry, free tier, high-cardinality ready
Real-time API observability with SDK integration, 40+ metrics per request, auto-documentation
30-second multi-region checks, status pages, on-call scheduling, $12-164/month flat pricing
Indie-focused status pages + monitoring, OSS Hero free plan, built by solo founder
Free for indie hackers, 12 global regions, €5/mo for professionals, 100% renewable energy
How we ranked these tools
We analyze real data from indie hacker communities, verified revenue reports, and user sentiment. No pay-to-play rankings, ever.