Retrieve a session transcript
Headers
Secret widget API key (plaintext_api_key from POST /api/widgets). Takes precedence over
x-widget-id and wid. Send one of the three. Never expose it in a browser.
Public widget id, the credential the embed script uses. Used when x-widget-api-key is absent.
Origin of the page embedding the widget. Must match one of the widget’s allowed_origins; see POST /widget/init.
Query parameters
Session id from POST /widget/init. Not a UUID returns 400 Invalid query.

