# Create a WebhookExtraHeader

**POST** `/webhooks/headers/`

Create a WebhookExtraHeader

## Request

### Request Body

- `application/json` — WebhookExtraHeader (object)

### Responses

- `201`: The created WebhookExtraHeader
  - Content types: `application/json`
- `400`: Bad Request
  - Content types: `application/json`