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1. Get Your API Key

Sign up at costrace.dev and grab your API key from the dashboard.

2. Install the SDK

3. Initialize Costrace

Add one line at the top of your application:

4. Use Your LLM SDKs Normally

That’s it. All API calls are now tracked automatically.

5. View Your Traces

Head to costrace.dev/dashboard/logs to see:
  • Cost per call in USD
  • Token counts (input/output)
  • Latency in milliseconds
  • Success/error status
  • Geographic distribution

Local Development

If you’re testing locally and want traces to go to your local backend instead of production:

Next Steps

Python SDK

Detailed Python documentation

Node.js SDK

Detailed Node.js documentation