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POST
Send a voice-native turn to the in-product Aletheia assistant.

Body

application/json
transcript
string
required

The caller's spoken turn (ASR transcript). Must be a non-empty string.

call_id
string

Optional voice call id.

locale
string

Optional BCP-47 locale.

Response

The core's answer, voice-shaped. refused:true means the core (or the adapter's length guard) withheld an ungrounded answer; speech is then a fixed canned refusal string, never model-generated.

speech
string
required
grounding
object[]
required
refused
boolean
required
refusalReason
string