Yes, you can do this a few ways:
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1. You can take a video on your computer and set the beginning and endpoint for the chunk of video you want to upload from it. Then, you can upload just the clipped chunk of video to api.video.
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2. You can take a publicly available .mp4 link and clip a chunk of the video. The clip is uploaded to api.video.

3. You can take a video ID for a video you have stored with api.video. You can take a clip and upload it to api.video.

We have a tutorial that explains this process here: https://api.video/blog/tutorials/how-to-create-a-video-clip