The call-initiation endpoint requires an X-API-Key header — the one action that spends real money per call is never reachable without it.
Calls run on your own Twilio credentials — you see every call in your own Twilio console, you control the budget.
Every call outcome posts to the webhook you configure. We don't retain a standing copy of call transcripts.
If the LLM classification call fails mid-call, the agent falls back to keyword matching.
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