Live connector. Voice-agent spend in USD per day; TTS credit usage is attached as context (Cartesia publishes no per-credit price, so credits are never invented as money).
What the key looks likesk_car_admin_…
Whereplay.cartesia.ai → Keys → Admin
Steps
As an organization admin, create an admin key. Standard sk_car_ keys cannot read usage.
In Ratelytics, open Connections → Cartesia, paste the key and connect.
Good to know
If your usage is TTS-credits only, no monetary rows exist to ingest. Track the subscription in the registry instead.