> 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/user-login.md).

# User Login

**`POST /accounts/login`**

Logs a user into the system and returns a session with access and refresh tokens.

***

## Request

### Request Body

```json
{
  "username": "example_user",
  "password": "examplePassword123"
}
```

| Field      | Type   | Required | Description          |
| ---------- | ------ | -------- | -------------------- |
| `username` | string | Yes      | The account username |
| `password` | string | Yes      | The account password |

***

## Response

### Success Response

**Status:** `200 OK`

```json
{
  "username": "example_user",
  "role": "STANDARD_REGISTRY",
  "did": "did:hedera:testnet:zHcDLGFNymFAJiMBKnpbHDgjvTn6yZnwkPPeFhtJBECH_0.0.4532001",
  "accessToken": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...",
  "refreshToken": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9..."
}
```

### Error Responses

| Status                      | Description                  |
| --------------------------- | ---------------------------- |
| `401 Unauthorized`          | Invalid username or password |
| `500 Internal Server Error` | Unexpected server failure    |