curl --request GET \
  --url https://openapi.fcontext.com/api/market-data/content/filings \
  --header 'x-api-key: <api-key>'

{
  "filings": [
    {
      "id": "<string>",
      "title": "<string>",
      "description": "<string>",
      "fileName": "<string>",
      "fileUrls": [
        "<string>"
      ],
      "publishedAt": "2023-11-07T05:31:56Z"
    }
  ]
}