Start a conversation

POST 
/v1/assistant/sessions

Opens a new, empty conversation with the Assistant. It costs nothing until a message is sent, and it does not expire.

Responses

201

The new session.

401

Missing or invalid credentials.

403

The credential cannot hold the account's conversation (access_denied): it is confined to one project, or it is the Assistant's own turn credential.

502

The turn could not be run or read (upstream_unavailable).

503

This deployment serves no Assistant conversation (assistant_unavailable).