Return suggested captions of an image.

By default, the operation return 1 caption.

Currently, Pixta Cloud support 2 languages: English(en) and Japanese(ja). By default, captions will be served in English, you can use language to change them.

Examples:

Original

fm=json&service=captions

{
  "captions": [
    "rocks on the beach"
  ]
}

fm=json&service=captions&language=ja

{
  "captions": [
    "橋杭岩のある海岸"
  ]
}