## Update employer

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

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

### Path Parameters

- `employer_id: string`

  Unique employer identifier (empr_*)

### Body Parameters

- `active: optional boolean`

  Whether the employer is active

- `address: optional  { 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: optional string`

    Secondary street address

- `legal_name: optional string`

  Legal business name

- `name: optional string`

  Employer display name

### Returns

- `EmployerResponse  { data }`

  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: boolean`

      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: optional 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: string`

      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: string`

      Timestamp when the employer was last updated

    - `email: optional string`

      Email address for billing and communications

    - `phone_number: optional string`

      Employer phone number (E.164 format recommended)

    - `reference_id: optional string`

      Partner-assigned reference ID for the employer

### Example

```http
curl https://api.vitablehealth.com/v1/employers/$EMPLOYER_ID \
    -X PUT \
    -H "Authorization: Bearer $VITABLE_CONNECT_API_KEY"
```

#### 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"
  }
}
```