> For the complete documentation index, see [llms.txt](https://guardian.hedera.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://guardian.hedera.com/docs/develop/guardian/standard-registry/schemas/schema-creation-using-apis/schema-preview-from-ipfs.md).

# Schema Preview from IPFS

**`POST /schemas/import/message/preview`**

Previews the schema from IPFS without loading it into the local DB. Only users with the Standard Registry role are allowed to make the request.

**Authentication:** Bearer token required (`Authorization: Bearer <token>`)

**Permission:** `Permissions.SCHEMAS_SCHEMA_CREATE`

***

## Request

### Request Body

An object containing the identifier of the Hedera message which contains the IPFS CID of the schema.

```json
{
  "messageId": "1700000000.000000001"
}
```

***

## Response

### Success Response

**Status:** `200 OK`

Returns a preview array of schema objects.

```json
[
  {
    "id": "f3b2a9c1e4d5678901234567",
    "uuid": "f3b2a9c1e4d5678901234567",
    "name": "Schema name",
    "status": "PUBLISHED",
    "version": "1.0.0"
  }
]
```

### Error Responses

| Status                      | Description               |
| --------------------------- | ------------------------- |
| `401 Unauthorized`          | Missing or invalid token  |
| `403 Forbidden`             | Insufficient permissions  |
| `500 Internal Server Error` | Unexpected server failure |


---

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