If a site fails any of these tests, close the tab and use one of the legitimate alternatives listed above.
| Method | URL | Description | Request Body | Response | |--------|-----|-------------|--------------|----------| | POST | /api/v1/progress | Save or update position | "videoId": "123", "position": 452 | "status":"ok" | | GET | /api/v1/progress/:videoId | Retrieve saved position | — | "position": 452, "updatedAt":"2026-04-13T08:12:00Z" | | DELETE | /api/v1/progress/:videoId | Clear saved progress (e.g., user finished) | — | "status":"deleted" | old4k free full
Accessing Old4K Free Full content is relatively straightforward. Here are a few ways to get started: If a site fails any of these tests,