/api/v2/media/uploadPOSTuploadUrl with a Content-Type header equal
to mimeType, then reference publicUrl in a post's
mediaItems. Supported formats: JPEG, PNG, GIF, WebP images and
MP4/MOV videos. Files already hosted at a public URL can be
referenced directly without uploading. Uploads require an active
subscription and include 4 uploads per
monthly post allowance.application/jsonrequired1mimeTypemediaItems