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Get Fenra tracking your AI costs in three steps.
1

Get Your API Key

Sign in to app.fenra.io and navigate to Settings → API Keys. Click Create New Key, give it a name, and copy the key.
2

Send a Test Transaction

After your next AI provider call, send the usage data to Fenra:
A successful response returns 202 Accepted:
3

See It in Your Dashboard

Head back to app.fenra.io. Your transaction appears in the dashboard within seconds, with costs automatically calculated.

Transaction Schema

Every transaction needs:

Context

The context object only requires billable_customer_id. You can add any other fields you want. They will appear in your dashboard and can be used for filtering, alerts, and reports. See the Transactions Guide for examples of useful context fields.

Next Steps

Transactions Guide

Learn about context fields and usage types.

Set Up Alerts

Get notified when spending exceeds your thresholds.