# Get HTML
Retrieve the rendered HTML of the builder session document. This matches the PDF contents but in HTML format for previewing or custom rendering flows.
Endpoint: GET /api/builder/sessions/{session_id}/html
Version: 0.1.0
Security: APIKey
## Path parameters:
- `session_id` (string, required)
The UUID of the session.
Example: "7f3f5f62-2c69-7d4e-8a3d-9c0f0e2c5f3a"
## Response 404 fields (application/json):
- `data` (null, required)
Always null for error responses.
- `meta` (object, required)
- `meta.status` (object, required)
- `meta.status.code` (integer, required)
- `meta.status.text` (string, required)
- `meta.error` (object, required)