curl --request POST \
  --url https://studio.edgeimpulse.com/v1/api/portals/{portalId}/upload-link \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "fileName": "<string>",
  "fileSize": 123,
  "fileHash": "<string>"
}
'

{
  "success": true,
  "error": "<string>",
  "url": "<string>",
  "ETag": "<string>"
}