POST
/pictures/preview-background-files/{instance_id}
curl \
--request POST 'http://api.example.com/pictures/preview-background-files/a24a6ea4-ce75-4665-a070-57453082c25' \
--header "Authorization: $API_KEY"
Response examples (201)
{
"id": "a24a6ea4-ce75-4665-a070-57453082c25",
"extension": "hdr",
"file_size": 2048000
}