Know when Claude Code runs up your bill — before it's too late. Daily, monthly, and per-session alerts with zero dashboard overhead.
No credit card required • Works with Claude Code OTEL exporter
Claude Code runs fast, iterates aggressively, and doesn't stop unless you tell it to. That's great for productivity — until costs quietly pile up in the background.
Most developers only find out after the bill arrives.
CostFence tells you when it actually matters.
CostFence monitors Claude Code usage in real time and alerts you the moment spending crosses your limits. No complex setup. No per-token spreadsheets. No constant dashboard checking.
Use Claude's native OpenTelemetry metrics — no SDK required.
Daily, per-session, or monthly — whatever you care about.
Email, Slack, or webhook notifications when limits are crossed.
Alerts fire within seconds, not hours later.
Catch runaway Claude Code sessions before they spiral.
Stay in control without micromanaging usage.
HMAC-signed ingest and production-safe architecture.
Uses Claude Code's official OpenTelemetry metrics
No code changes to your application
No SDKs or agents to maintain
Works alongside your existing tooling
If Claude Code is part of your workflow, CostFence fits right in.
Setup takes less than 5 minutes.