Fact · Transcription
AssemblyAI's guide to pre-recorded audio says that to transcribe a local file, you must upload it first, so the service can then transcribe it.
Checked against its source on October 17, 2026
In the source's own words
“To transcribe a local file, upload it first”
Pre-recorded audio (AssemblyAI documentation), AssemblyAI, n.d., Transcribe a local file.
Open the original- What it measures
- The same guide shows a transcription request that takes an audio_url, a web address of the audio file, which is the route for a file already online.
- What it does not show
- This describes one vendor's API. Other services accept links or uploads in different ways, and the API may change.