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

#### URL Expired

The URL for this request expired after 30 days.

### Request body for updating an Employer Identification Number (EIN) metadata.

#### uuid

- **uuid**  
  *required*  
  Unique identifier for the EIN.

#### label

- **string**  
  Label or name for the EIN.

#### linkToWorkerProps

- **array of objects**  
  Array of worker property mappings. Workers matching these properties will be associated with this EIN.

#### linkToWorkerProps

- **ADD object**

#### isDefault

- **boolean**  
  Whether this EIN is the default EIN for the company. Only one EIN can be the default.

- `false` `true` `false`

#### registrationInfo

- **object**  
  Registration information to link to the EIN.

### Response Codes

- ```200      Successfully updated EIN(s)```
- ```500      default error response```

### Example Request

```bash
curl --request PATCH \
     --url https://services.fountain.com/api/serviceorganizations/processes/mcp/eins \
     --header 'accept: application/json' \
     --header 'content-type: application/json'
```

- **Click `Try It!` to start a request and see the response here! Or choose an example:**

- `application/json`
- ```200``` ```500```

Updated 3 months ago.
