Requests a pre-signed URL that can be used to upload a document file (e.g., PDF, DOCX) directly to secure storage. You should perform a PUT request to the returned signed_url with the file content as the request body.
A bearer token is required for all API requests.
The unique identifier for the site.
A pre-signed URL for uploading a document file.
The URL to use for the PUT upload request.
"https://s3.amazonaws.com/altostrat-bucket/..."