| Time | Status | User Agent |  |
| :-- | :-- | :-- | :-- |
| Make a request to see history. |

#### URL Expired

The URL for this request expired after 30 days.

### Parameters

- **documentToSign**  
  string  
  length ≥ 1  
  Base64-encoded document to be signed with NOM151

- **api-version**  
  string  
  required  
  Defaults to 1.0

### Response

#### ``200``  
**Response:**  
- `signedString`: String. NOM 151 constancia (digital evidence)  
- `reference`: String. Reference folio (unique confirmation id)

#### ``400`` Bad Request

### Example Request

```shell
curl --request POST \ 
     --url https://demo-api.incodesmile.com/omni/sign-document/nom151 \ 
     --header 'accept: application/json' \ 
     --header 'api-version: 1.0' \ 
     --header 'content-type: application/json'
```

### Response Codes

- `200`
- `400`