> ## Documentation Index
> Fetch the complete documentation index at: https://docs.stateset.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Assert facts and rules from NSR-L code

> **Required scope:** write

**Required scope:** `write`

### Request body

`NSRLAssertRequest`

<ParamField body="code" type="string" required>
  NSR-L facts/rules to assert
</ParamField>

### Response

`NSRLAssertResponse`

<ResponseField name="errors" type="string[]" required />

<ResponseField name="facts_added" type="integer" required />

<ResponseField name="rules_added" type="integer" required />

<ResponseField name="success" type="boolean" required />

### Status codes

| Code  | Meaning                                            |
| ----- | -------------------------------------------------- |
| `200` | Assertion result                                   |
| `401` | Unauthorized — missing or invalid credentials      |
| `403` | Forbidden — the key/token lacks the required scope |
| `429` | Rate limited — see Retry-After / X-RateLimit-Reset |

<RequestExample>
  ```bash cURL theme={null}
  curl --request POST \
    --url 'https://api.nsr.stateset.com/api/v1/nsrl/assert' \
    --header 'X-API-Key: YOUR_API_KEY' \
    --header 'Content-Type: application/json' \
    --data '{
    "code": "philosopher(socrates). taught(socrates, plato)."
  }'
  ```
</RequestExample>

<ResponseExample>
  ```json 200 theme={null}
  {
    "errors": [
      "string"
    ],
    "facts_added": 1,
    "rules_added": 1,
    "success": true
  }
  ```
</ResponseExample>