string
required
The natural-language question (1–4000 chars).
string
Specific KB to query (defaults to the company’s default brain).
string
Continue a previous conversation thread (echoed back in each response).
object
Optional retrieval filters:
{ "source": "...", "since": "ISO-8601" } (honored by the Postgres spine).answer_mode is synthesized when an LLM answerer is configured, otherwise grounded chunks are returned.
Cost: 10 credits