Post and image, as in the following examples.

curl -i -X POST -H "Content-Type: multipart/form-data" -F "file=@myimage.jpg" -F "service={selected service}" -F "langid={selected lang}" 'http://nyx.athenarc.gr/gretaste/api'

• service: "ocr" or "food-recognition"
• langid: "el" or "en" or "ru"