> For the complete documentation index, see [llms.txt](https://dev.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://dev.guardian.hedera.com/developer-tools-and-resources/api-reference/apis-related-to-schema-rules/retrieve-all-the-data-needed-for-evaluating-the-rules.md).

# Retrieve all the data needed for evaluating the rules

**`POST /api/v1/schema-rules/data`**

Returns the schema rules and associated document data required to evaluate rule conditions for a given document.

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

**Permission:** `Permissions.SCHEMAS_RULE_EXECUTE` *(returns `null` if the user lacks this permission)*

***

## Request

### Request Body

```json
{
  "policyId": "63e3e5e8a01b3c001234abcd",
  "schemaId": "63e3e5e8a01b3c001234abce",
  "documentId": "63e3e5e8a01b3c001234abcf",
  "parentId": "63e3e5e8a01b3c001234abd0"
}
```

| Field        | Type   | Required | Description                              |
| ------------ | ------ | -------- | ---------------------------------------- |
| `policyId`   | string | No       | Policy context for rule lookup           |
| `schemaId`   | string | No       | Schema ID to find applicable rules       |
| `documentId` | string | No       | ID of the document to evaluate           |
| `parentId`   | string | No       | ID of the parent document, if applicable |

***

## Response

### Success Response

**Status:** `201 Created`

```json
[
  {
    "rules": {
      "id": "63e3e5e8a01b3c001234abcd",
      "name": "MRV Data Quality Rules",
      "status": "ACTIVE",
      "config": {}
    },
    "document": {
      "id": "63e3e5e8a01b3c001234abcf",
      "type": "VerifiableCredential"
    },
    "relationships": [
      {
        "id": "63e3e5e8a01b3c001234abd0",
        "type": "VerifiableCredential"
      }
    ]
  }
]
```

### Error Responses

| Status                      | Description                        |
| --------------------------- | ---------------------------------- |
| `401 Unauthorized`          | Missing or invalid token           |
| `422 Unprocessable Entity`  | Request body is empty or malformed |
| `500 Internal Server Error` | Unexpected server failure          |