curl --request POST \
  --url https://api.headlesscommerce.io/v1/admin/products/{id}/images \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "url": "<string>",
  "alt_text": "<string>",
  "position": 123
}
'

{
  "id": "<string>",
  "url": "<string>",
  "alt_text": "<string>",
  "position": 123,
  "width": 123,
  "height": 123
}