Get a document version
Knowledge module
GET/document-versions/{id}documentVersions.get
An immutable version of a document. Returns one document version with its `ETag`. A document version the caller may not see returns 404.
- Requires the capability knowledge.document.read.
- OAuth scopes: knowledge.
- Error statuses: 400, 401, 404, 429. Errors are RFC 9457 problem details.
Path and query parameters
| Field | Type | Required | Description |
|---|---|---|---|
| id | string (uuid) | Yes | Identifier of the document version. |
| fields | Fields | No | Sparse fieldset: a comma-separated list of top-level fields to return. `id` is always returned.Constraints: pattern ^[a-z_][a-z0-9_]*(,[a-z_][a-z0-9_]*)*$ |
Response 200: DocumentVersion
| Field | Type | Required | Description |
|---|---|---|---|
| id | string (uuid) | Yes | Identifier of the document version. |
| org_id | string (uuid) | Yes | Identifier of the owning organization, derived from the parent row and never accepted from the caller. |
| created_at | string (date-time) | Yes | When the row was created. |
| created_by | string (uuid) | null | Yes | Identifier of the person who created the row; null when a seed, platform or system process created it. |
| updated_at | string (date-time) | Yes | When the row was last updated. |
| updated_by | string (uuid) | null | Yes | Identifier of the person who last updated the row; null when a seed, platform or system process updated it. |
| document_id | string (uuid) | Yes | Identifier of the document. |
| version_number | integer | Yes | Version number.Constraints: range 1 to any |
| storage_uri | string | Yes | Where the file is stored.Constraints: length 1 to 2000 |
| checksum_sha256 | string | Yes | SHA-256 of the file, lowercase hex.Constraints: pattern ^[A-Za-z0-9][A-Za-z0-9._-]{0,63}$ |
{
"id": "0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f",
"org_id": "0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f",
"created_at": "2026-10-08T14:30:00Z",
"created_by": "0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f",
"updated_at": "2026-10-08T14:30:00Z",
"updated_by": "0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f",
"document_id": "0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f",
"version_number": 3,
"storage_uri": "https://files.example.com/site-plan-v3.pdf",
"checksum_sha256": "9f2c4e1a7b3d5f6e8a0c2e4f6a8b0d2c4e6f8a0b2c4d6e8f0a2b4c6d8e0f2a4b"
}Code samples
curl -X GET "$XOS_BASE_URL/document-versions/0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f" \
-H "Authorization: Bearer $XOS_API_KEY"const { data, etag } = await xos.documentVersions.get("0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f");response = xos.document_versions.get("0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f")xos document-versions get 0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f