## Update employer

`employers.update(employer_id, **kwargs) -> EmployerResponse`

**put** `/v1/employers/{employer_id}`

Updates an existing employer. All fields are optional — only provided fields are updated. PO Box addresses are rejected.

### Parameters

- `employer_id: String`

  Unique employer identifier (empr_*)

- `active: bool`

  Whether the employer is active

- `address: { address_line_1, city, state, 2 more}`

  Employer address

  - `address_line_1: String`

    Primary street address

  - `city: String`

    City name

  - `state: String`

    Two-letter state code

  - `zipcode: String`

    ZIP code

  - `address_line_2: String`

    Secondary street address

- `legal_name: String`

  Legal business name

- `name: String`

  Employer display name

### Returns

- `class EmployerResponse`

  Response containing a single employer resource.

  - `data: Employer`

    Serializer for Employer entity in public API responses.

    - `id: String`

      Unique employer identifier with 'empr_' prefix

    - `active: bool`

      Whether the employer is currently active in the system

    - `address: { address_line_1, city, state, 2 more}`

      Nested address within EmployerSerializer.

      - `address_line_1: String`

        Primary street address

      - `city: String`

        City name

      - `state: String`

        Two-letter state code (e.g., CA, NY)

      - `zipcode: String`

        ZIP code (5 or 9 digit)

      - `address_line_2: String`

        Secondary street address (apt, suite, etc.)

    - `contact: { email, phone}`

      Primary company-admin contact (email + phone; company admins have no person name).

      - `email: String`

        Primary contact email

      - `phone: String`

        Primary contact phone, or null

    - `created_at: Time`

      Timestamp when the employer was created

    - `ein: String`

      Employer Identification Number (format: XX-XXXXXXX)

    - `legal_name: String`

      Legal business name for compliance and tax purposes

    - `name: String`

      Display name of the employer

    - `organization_id: String`

      ID of the parent organization (org_*)

    - `updated_at: Time`

      Timestamp when the employer was last updated

    - `email: String`

      Email address for billing and communications

    - `phone_number: String`

      Employer phone number (E.164 format recommended)

    - `reference_id: String`

      Partner-assigned reference ID for the employer

### Example

```ruby
require "vitable_connect"

vitable_connect = VitableConnect::Client.new(
  api_key: "My API Key",
  environment: "environment_1" # defaults to "production"
)

employer_response = vitable_connect.employers.update("empr_abc123def456")

puts(employer_response)
```

#### Response

```json
{
  "data": {
    "id": "id",
    "active": true,
    "address": {
      "address_line_1": "address_line_1",
      "city": "city",
      "state": "state",
      "zipcode": "zipcode",
      "address_line_2": "address_line_2"
    },
    "contact": {
      "email": "dev@stainless.com",
      "phone": "phone"
    },
    "created_at": "2019-12-27T18:11:19.117Z",
    "ein": "ein",
    "legal_name": "legal_name",
    "name": "name",
    "organization_id": "organization_id",
    "updated_at": "2019-12-27T18:11:19.117Z",
    "email": "dev@stainless.com",
    "phone_number": "phone_number",
    "reference_id": "reference_id"
  }
}
```