Upload a PDF file containing more than one Document to a Book.

You can upload a file to this endpoint as a multipart/form-data encoded payload. To learn more, see multipart/form-data guide.

Direct document upload is not permitted for Books configured with the Classify-only processing type. Attempting to upload to such a Book returns an error indicating that direct document upload is not allowed for that Book type.

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The maximum file size for upload is 200 MB.