curl --request POST \
  --url https://api.anysite.io/api/crossref/journals \
  --header 'Content-Type: application/json' \
  --header 'access-token: <api-key>' \
  --data '
{
  "issn": "<string>",
  "timeout": 300
}
'

[
  {
    "@type": "@crossref_journal",
    "title": "<string>",
    "publisher": "<string>",
    "issn": [],
    "print_issn": "<string>",
    "electronic_issn": "<string>",
    "subjects": [],
    "counts": {
      "@type": "@crossref_counts",
      "current_dois": 0,
      "backfile_dois": 0,
      "total_dois": 0
    },
    "last_status_check_at": 123
  }
]