> For the complete documentation index, see [llms.txt](https://dev.guardian.hedera.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://dev.guardian.hedera.com/developer-tools-and-resources/api-reference/account-apis/refresh-access-token.md).

# Refresh Access Token

**`POST /accounts/access-token`**

Returns a new access token using a valid refresh token.

***

## Request

### Request Body

```json
{
  "refreshToken": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9..."
}
```

| Field          | Type   | Required | Description                               |
| -------------- | ------ | -------- | ----------------------------------------- |
| `refreshToken` | string | Yes      | A valid refresh token obtained from login |

***

## Response

### Success Response

**Status:** `200 OK`

```json
{
  "accessToken": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9..."
}
```

### Error Responses

| Status             | Description                      |
| ------------------ | -------------------------------- |
| `401 Unauthorized` | Invalid or expired refresh token |