Langfuse API

AI · Operational · 30d uptime 100%
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Trace, evaluate, and improve AI agents with one open platform. Use production data to understand behavior, collaborate on fixes, and ship better quality at lower cost and latency.

Trust signals

Pricing
FREEMIUM
Auth
API_KEY
CORS
No
Rate limit
Events-per-minute limits on cloud plans
Health
162ms
Trust score
93 (A)

Last checked Oct 19, 2026 · uptime 24h 100% / 7d 100% / 30d 100%

Excellent production-readiness signals.

Links

Integration checklist

  • Auth is API_KEY— no credit card required
  • No CORS — route calls through your backend.
  • Rate limit: Events-per-minute limits on cloud plans
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Langfuse API — pricing, auth, CORS & health | Reqistry