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Start with the API account

Perplexity's API account area is the place to add credits, manage keys, and monitor usage patterns. Keep API billing separate from the consumer subscription because access and included benefits can change independently.

Label keys by application or environment. That makes it possible to distinguish a production research tool from experiments and local scripts.

Track the job, not only the call

A useful research metric groups all calls required to answer one business question. Record model, request count, total cost, elapsed time, and whether the sources were sufficient. This shows the real cost of an output rather than an isolated API response.

Set a maximum number of retries and follow-up searches. Unbounded research loops are a common source of quiet spend.

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Use two views

The account dashboard is the billing authority. Local logs explain which workflow created the usage. Super Notchy can display supported Perplexity account usage as a persistent headline when available, while the provider console remains the detailed audit surface.

Review usage after batch jobs and before auto-reload thresholds. The safest automation knows both when to continue and when to stop for a human decision.

Sources and further reading