Checkly Public API
Observability · Operational · 30d uptime 100%
The only monitoring platform built from the ground up to be operated by developers and agents to give teams a clear signal of application health.
Trust signals
Pricing
FREEMIUM
Auth
API_KEY
CORS
No
Rate limit
Plan-based request limits
Health
132ms
Trust score
93 (A)
Last checked Oct 18, 2026 · uptime 24h 100% / 7d 100% / 30d 100%
Excellent production-readiness signals.
Links
- Homepagewww.checklyhq.com
- Documentationwww.checklyhq.com/docs/api/
- Base URLwww.checklyhq.com/docs/api/
Integration checklist
- Auth is API_KEY— no credit card required
- No CORS — route calls through your backend.
- Rate limit: Plan-based request limits