curl --request POST \
  --url https://www.closient.com/dashboard/api/v1/ocr/gtin \
  --header 'Content-Type: multipart/form-data' \
  --header 'X-API-Key: <api-key>' \
  --form image='@example-file'

{
  "candidates": [
    "<string>"
  ],
  "source": "<string>"
}