Hi. I'm trying to upload images using the v1_1 endpoint, but when I include 'responsive_breakpoints' (https://cloudinary.com/documentation/responsive_images) JSON in my axios upload request, the upload fails. I'm unable to access data on why it fails.
Are 'responsive_breakpoints' available on the v1_1 upload endpoint, or are they a v2 feature? Is there anything similar on v1_1 (if I needed to continue to use that version)?
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