eCFR · Example Payload

Versions Response

Federal RegulationsGovernmentLegalComplianceOpen DataUnited States

Versions Response is an example object payload from eCFR, with 2 top-level fields. It illustrates the shape of data this provider's APIs accept or return.

Top-level fields

content_versionsmeta

Example Payload

Raw ↑ 
{
  "content_versions": [
    {
      "date": "2016-11-28",
      "amendment_date": "2016-11-28",
      "issue_date": "2023-04-10",
      "identifier": "1.100",
      "name": "§ 1.100   Content of this title.",
      "part": "1",
      "substantive": false,
      "removed": false,
      "subpart": "A",
      "title": "2",
      "type": "section"
    },
    {
      "date": "2024-10-01",
      "amendment_date": "2024-10-01",
      "issue_date": "2024-10-01",
      "identifier": "1.100",
      "name": "§ 1.100   Content of this title.",
      "part": "1",
      "substantive": true,
      "removed": false,
      "subpart": "A",
      "title": "2",
      "type": "section"
    },
    {
      "date": "2016-11-28",
      "amendment_date": "2016-11-28",
      "issue_date": "2023-04-10",
      "identifier": "1.105",
      "name": "§ 1.105   Organization and subtitle content.",
      "part": "1",
      "substantive": false,
      "removed": false,
      "subpart": "A",
      "title": "2",
      "type": "section"
    }
  ],
  "meta": {
    "title": "2",
    "result_count": "1016",
    "issue_date": {
      "gte": "2023-01-01"
    },
    "latest_amendment_date": "2026-02-26",
    "latest_issue_date": "2026-03-17",
    "page": "1",
    "per_page": "1000",
    "total_pages": "2"
  }
}