Getting the Wrong Transcript

We need your support on a transcript accuracy issue.

For YouTube video ID byk3W3Xpn4k, the transcript returned by your API is incorrect.
We manually checked the video and the returned transcript does not match the spoken content.

Example of returned text:
“I’m a computer scientist ... using artificial intelligence to make things more accessible ... tools for blind or low-vision people...”

Two observed retrieval attempts (UTC):

2026-03-12 13:57:40+00

2026-03-12 14:02:39+00

Integration details:

Platform: Node.js backend service

Integration type: direct HTTPS REST call (no SDK)

Endpoint pattern: GET {SUPADATA_BASE_URL}/transcript?url=https://www.youtube.com/watch?v=byk3W3Xpn4k&lang=en&text=false&mode=native

Auth header: x-api-key

Could you please investigate:

Why transcript content for byk3W3Xpn4k does not match actual video audio.

Whether there were any source-mapping/retrieval issues around those timestamps.

and, what’s more concerning is : I am not receiving any reply from support via the Chat → Send Us a message. The bot was saying a teammate will be responding. I left this message on 13rd March and today is 23rd March already. Not even a courtesy reply ?