Python Pydantic Tutorial: Complete Data Validation Course (Used by FastAPI)
Total watch time
1h 29m
at 1× speed · exactly 1 hour, 29 minutes, 25 seconds at 1×
| 1× | 1h 29m 25s |
|---|---|
| 1.25× | 1h 11m 32s |
| 1.5× | 59m 37s |
| 1.75× | 51m 6s |
| 2× | 44m 43s |
Embed a badge
Show the length in a README or course description — it links back here and updates itself
Markdown
[](https://playlistduration.com/video/M81pfi64eeM)HTML
<a href="https://playlistduration.com/video/M81pfi64eeM"><img src="https://playlistduration.com/badge/video/M81pfi64eeM.svg" alt="Length: 1h 29m 25s" width="135" height="20"></a>Add ?speed=1.5 to the image URL for the time at that speed, ?label=Course to change the left text, or ?style=flat-square for square corners.
Want the numbers themselves? GET https://playlistduration.com/api/v1/video/M81pfi64eeM returns them as JSON — free, no key. API docs →
Data from the YouTube Data API as of 2026-09-22 (cached).