# `GET /events/types`

**Purpose:** List the 33 supported Item codes, their official English titles and the official source URL.

**Request:** No parameters.

**Response:** `items` (array of `{item, title}`), `source_url`, and `credits_used`.

**Credits:** **0**.

**Errors:** `403 PLAN_TIER_INSUFFICIENT` below Starter; `422 VALIDATION_ERROR` when any query parameter is sent. Authentication and rate-limit errors follow [Errors](/documents/errors.md).

**Example Request:**

```http
GET /api/v1/events/types
X-API-Key: <your-api-key>
```

**Example Response:**

```json
{
  "items": [
    {
      "item": "2.02",
      "title": "Results of Operations and Financial Condition"
    },
    {
      "item": "5.02",
      "title": "Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers"
    }
  ],
  "source_url": "https://www.sec.gov/files/form8-k.pdf",
  "credits_used": 0
}
```