This endpoint generates a presigned S3 URL that allows you to upload files directly to Dubformer’s storage. This is the first step when uploading local files.
Use this endpoint for local file uploads only. If your file is already hosted on a URL or in S3, you can skip this step and go directly to Create Artifact.
Name of the file with extension (e.g., video.mp4, audio.wav, script.txt).This is the actual file name, not the artifact display name. The extension is used to determine the file type.