Gotchas
Authentication uses the non-standard xi-api-key header, not Authorization: Bearer. Sending a Bearer token returns HTTP 401.
This endpoint paginates with has_more/next_page_token, not page: read has_more from the response and pass its next_page_token back as the next_page_token query parameter to fetch the next page. sort, category, voice_type, and the other filter parameters are optional — see the parameter list below for their valid values.