> ## 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.

# Get a specific predicate signature

> **Required scope:** read

**Required scope:** `read`

### Path parameters

<ParamField path="name" type="string" required>
  Predicate name
</ParamField>

### Response

`PredicateResponse`

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

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

<ResponseField name="doc" type="string" />

<ResponseField name="name" type="string" required />

<ResponseField name="return_type" type="string" />

### Status codes

| Code  | Meaning                                            |
| ----- | -------------------------------------------------- |
| `200` | Predicate details                                  |
| `401` | Unauthorized — missing or invalid credentials      |
| `403` | Forbidden — the key/token lacks the required scope |
| `404` | Predicate not found                                |
| `429` | Rate limited — see Retry-After / X-RateLimit-Reset |

<RequestExample>
  ```bash cURL theme={null}
  curl --request GET \
    --url 'https://api.nsr.stateset.com/api/v1/types/predicates/{name}' \
    --header 'X-API-Key: YOUR_API_KEY'
  ```
</RequestExample>

<ResponseExample>
  ```json 200 theme={null}
  {
    "arg_types": [
      "string"
    ],
    "arity": 1,
    "doc": "string",
    "name": "string",
    "return_type": "string"
  }
  ```
</ResponseExample>