This product is explicit about sync limits, async orchestration and result guarantees. The help surface mirrors that philosophy.
Sync is intentionally capped to prevent Worker CPU exhaustion and unpredictable retries. Large files must use uploads + jobs.
Query the upload session, confirm it reached completed, then replay the complete call. That path is designed to be idempotent.
No. Segment timestamps and VTT are stable. Word timestamps are preserved only when the upstream provider returns them.
Yes, through the anonymous 30-second demo route. It is isolated from paid workloads and rate-limited independently.