### Implement startExportByDataset in Java

Source: https://open.lazada.com/apps/doc/api?path=%2Ffbi%2Fdownload%2FstartExportByDataset

Example showing how to initialize the LazopClient and execute a request for the startExportByDataset API.

```java
LazopClient client = new LazopClient(url, appkey, appSecret);
LazopRequest request = new LazopRequest();
request.setApiName("/fbi/download/startExportByDataset");
request.addApiParameter("oldSystemId", "22");
request.addApiParameter("useNewEngine", "true");
request.addApiParameter("appName", "1");
request.addApiParameter("secret", "1");
request.addApiParameter("workId", "1");
request.addApiParameter("datasetId", "1");
request.addApiParameter("fileType", "1");
request.addApiParameter("uploadType", "1");
request.addApiParameter("dispatchUserInfo", "1");
LazopResponse response = client.execute(request);
System.out.println(response.getBody());
Thread.sleep(10);
```

--------------------------------

### API Response Example

Source: https://open.lazada.com/apps/doc/api?path=%2Ffbi%2Fdownload%2FstartExportByDataset

JSON structure returned by the startExportByDataset API.

```json
{
  "result": {
    "returnCode": "1",
    "returnValue": {},
    "returnErrorStackTrace": "1",
    "returnMessage": "1"
  },
  "code": "0",
  "request_id": "0ba2887315178178017221014"
}
```

--------------------------------

### Auth Token Response JSON

Source: https://open.lazada.com/apps/doc/api?path=%2Fauth%2Ftoken%2Fcreate

Example of a successful JSON response body returned by the token creation API.

```json
{
  "access_token": "50000601c30atpedfgu3LVvik87Ixlsvle3mSoB7701ceb156fPunYZ43GBg",
  "country": "sg",
  "refresh_token": "500016000300bwa2WteaQyfwBMnPxurcA0mXGhQdTt18356663CfcDTYpWoi",
  "account_id": "7063844",
  "code": "0",
  "account_platform": "seller_center",
  "refresh_expires_in": "60",
  "country_user_info": [
    {
      "country": "SG",
      "user_id": "1001",
      "seller_id": "1001",
      "short_code": "SG1001"
    }
  ],
  "expires_in": "10",
  "request_id": "0ba2887315178178017221014",
  "account": "xxx@126.com"
}
```

--------------------------------

### Generate Access Token API

Source: https://open.lazada.com/apps/doc/api?path=%2Fauth%2Ftoken%2Fcreate

This API endpoint is used to generate an access token for calling other Lazada APIs. It supports both GET and POST methods.

```APIDOC
## POST /auth/token/create

### Description
Generates an access token for calling other Lazada APIs. This endpoint is part of the System API and does not require authorization.

### Method
POST

### Endpoint
/auth/token/create

### Parameters
#### Query Parameters
- **app_key** (String) - Required - Unique app ID issued by LAZADA Open Platform console.
- **timestamp** (String) - Required - The time stamp of the request (e.g., 1517820392000) with less than 7200s difference from UTC time.
- **access_token** (String) - Optional - API interface call credentials.
- **sign_method** (String) - Required - The HMAC hash algorithm used to calculate the signature.
- **sign** (String) - Required - Part of the authentication process for verifying the request.
- **code** (String) - Required - OAuth code obtained from the app callback URL.
- **uuid** (String) - Optional - This field is currently invalid and should not be used.

### Request Example
```json
{
  "example": "POST /auth/token/create?app_key=YOUR_APP_KEY&timestamp=1517820392000&sign_method=HmacSHA256&sign=YOUR_SIGN&code=OAUTH_CODE"
}
```

### Response
#### Success Response (200)
- **expires_in** (Number) - The expiring time of the access token, in seconds.
- **account_id** (String) - Account ID. Allows null. If account_platform is 'seller_center', account_id is null.
- **country** (String) - The country ID (sg:Singapore, my:Malaysia, ph:Philippines, th:Thailand, id:Indonesia, vn:Vietnam).
- **country_user_info** (Object[]) - Country user details.
  - **country** (String) - The country ID (sg:Singapore, my:Malaysia, ph:Philippines, th:Thailand, id:Indonesia, vn:Vietnam).
  - **seller_id** (String) - Seller ID.
  - **user_id** (String) - User ID.
  - **short_code** (String) - Seller short code.
  - **account_platform** (String) - Account platform.
- **access_token** (String) - Access token.
- **account** (String) - User account (login user).
- **refresh_expires_in** (String) - The expiring time of the refresh token.
- **refresh_token** (String) - Refresh token, used to refresh the token when 'refresh_expires_in' > 0.

#### Response Example
```json
{
  "expires_in": 7200,
  "account_id": "123456789",
  "country": "sg",
  "country_user_info": [
    {
      "country": "sg",
      "seller_id": "987654321",
      "user_id": "112233445",
      "short_code": "SELLER001",
      "account_platform": "seller_center"
    }
  ],
  "access_token": "YOUR_ACCESS_TOKEN",
  "account": "user@example.com",
  "refresh_expires_in": "7776000",
  "refresh_token": "YOUR_REFRESH_TOKEN"
}
```
```

--------------------------------

### Generate Access Token API

Source: https://open.lazada.com/apps/doc/api

This API endpoint is used to generate an access token, which is required for calling other API methods. It supports both GET and POST requests.

```APIDOC
## POST /auth/token/create

### Description
Generates an access token for calling Lazada APIs. No authorization is required for this endpoint.

### Method
POST

### Endpoint
/auth/token/create

### Parameters
#### Query Parameters
- **app_key** (String) - Required - Unique app ID issued by LAZADA Open Platform console.
- **timestamp** (String) - Required - The time stamp of the request (e.g., 1517820392000) with less than 7200s difference from UTC time.
- **sign_method** (String) - Required - The HMAC hash algorithm used to calculate the signature.
- **sign** (String) - Required - Part of the authentication process used for identifying and verifying the sender.
- **code** (String) - Required - OAuth code obtained from the app callback URL.
- **access_token** (String) - Optional - API interface call credentials.
- **uuid** (String) - Optional - This field is currently invalid, do not use this field.

### Request Example
```json
{
  "app_key": "YOUR_APP_KEY",
  "timestamp": "1517820392000",
  "sign_method": "hmac-sha256",
  "sign": "YOUR_SIGNATURE",
  "code": "OAUTH_CODE"
}
```

### Response
#### Success Response (200)
- **expires_in** (Number) - The expiring time of the access token, in seconds.
- **account_id** (String) - Account ID. Allows null. If account_platform is seller_center, account_id is null.
- **country** (String) - The country ID (sg: Singapore, my: Malaysia, ph: Philippines, th: Thailand, id: Indonesia, vn: Vietnam).
- **country_user_info** (Object[]) - Country user details.
  - **country** (String) - The country ID (sg: Singapore, my: Malaysia, ph: Philippines, th: Thailand, id: Indonesia, vn: Vietnam).
  - **user_id** (String) - User ID.
  - **seller_id** (String) - Seller ID.
  - **short_code** (String) - Seller short code.
  - **account_platform** (String) - Account platform.
  - **account** (String) - User account (login user).
- **access_token** (String) - Access token.
- **refresh_expires_in** (String) - The expiring time of the refresh token.
- **refresh_token** (String) - Refresh token, used to refresh the token when "refresh_expires_in" > 0.

#### Response Example
```json
{
  "expires_in": 7200,
  "account_id": null,
  "country": "sg",
  "country_user_info": [
    {
      "country": "sg",
      "user_id": "123456789",
      "seller_id": "987654321",
      "short_code": "SG-SELLER-001",
      "account_platform": "seller_center",
      "account": "seller@example.com"
    }
  ],
  "access_token": "YOUR_ACCESS_TOKEN",
  "refresh_expires_in": "7776000",
  "refresh_token": "YOUR_REFRESH_TOKEN"
}
```
```

--------------------------------

### Create Auth Token Request in Java

Source: https://open.lazada.com/apps/doc/api?path=%2Fauth%2Ftoken%2Fcreate

Initializes the LazopClient and executes a request to the /auth/token/create endpoint.

```java
LazopClient client = new LazopClient(url, appkey, appSecret);
LazopRequest request = new LazopRequest();
request.setApiName("/auth/token/create");
request.addApiParameter("code", "0_100132_2DL4DV3jcU1UOT7WGI1A4rY91");
request.addApiParameter("uuid", "This field is currently invalid,  do not use this field please");
LazopResponse response = client.execute(request);
System.out.println(response.getBody());
Thread.sleep(10);
```

--------------------------------

### Create Token with OpenId using Java

Source: https://open.lazada.com/apps/doc/api?path=%2Fauth%2Ftoken%2FcreateWithOpenId

Use this Java code to create an access token using an OpenID. Ensure you have the Lazop client library configured.

```java
LazopClient client = new LazopClient(url, appkey, appSecret);
LazopRequest request = new LazopRequest();
request.setApiName("/auth/token/createWithOpenId");
request.addApiParameter("code", "0_100132_2DL4DV3jcU1UOT7WGI1A4rY91");
request.addApiParameter("uuid", "This field is currently invalid,  do not use this field please");
LazopResponse response = client.execute(request);
System.out.println(response.getBody());
Thread.sleep(10);
```

--------------------------------

### GET/POST /fbi/download/startExportByDataset

Source: https://open.lazada.com/apps/doc/api?path=%2Ffbi%2Fdownload%2FstartExportByDataset

This endpoint is used to initiate a download operation for a specific dataset.

```APIDOC
## GET/POST /fbi/download/startExportByDataset

### Description
Open the download operation for a specified dataset.

### Method
GET/POST

### Endpoint
/fbi/download/startExportByDataset

### Parameters
#### Query/Request Parameters
- **oldSystemId** (String) - Optional - 222
- **useNewEngine** (String) - Optional - true
- **appName** (String) - Required - 1
- **secret** (String) - Required - 1
- **workId** (String) - Required - 1
- **datasetId** (String) - Required - 1
- **fileType** (String) - Required - 1
- **uploadType** (String) - Required - 1
- **dispatchUserInfo** (String[]) - Optional - 1

### Response
#### Success Response (200)
- **result** (Object) - 1
- **returnCode** (Number) - 1
- **returnValue** (Object) - 1
- **returnErrorStackTrace** (String) - 1
- **returnMessage** (String) - 1

#### Response Example
{
  "result": {
    "returnCode": "1",
    "returnValue": {},
    "returnErrorStackTrace": "1",
    "returnMessage": "1"
  },
  "code": "0",
  "request_id": "0ba2887315178178017221014"
}
```

--------------------------------

### POST /auth/token/create

Source: https://open.lazada.com/apps/doc/api?path=%2Fauth%2Ftoken%2Fcreate

Exchanges an authorization code for an access token to authenticate API requests.

```APIDOC
## POST /auth/token/create

### Description
This endpoint is used to exchange an authorization code for an access token. It is required for authenticating subsequent API calls.

### Method
POST

### Endpoint
/auth/token/create

### Parameters
#### Query Parameters
- **code** (string) - Required - The authorization code obtained from the callback URL.
- **uuid** (string) - Optional - This field is currently invalid and should not be used.

### Request Example
{
  "code": "0_100132_2DL4DV3jcU1UOT7WGI1A4rY91",
  "uuid": ""
}

### Response
#### Success Response (200)
- **access_token** (string) - The token used for API authentication.
- **refresh_token** (string) - The token used to refresh the access token.
- **expires_in** (string) - Access token expiration time.
- **refresh_expires_in** (string) - Refresh token expiration time.
- **account_id** (string) - The unique identifier for the account.

#### Response Example
{
  "access_token": "50000601c30atpedfgu3LVvik87Ixlsvle3mSoB7701ceb156fPunYZ43GBg",
  "country": "sg",
  "refresh_token": "500016000300bwa2WteaQyfwBMnPxurcA0mXGhQdTt18356663CfcDTYpWoi",
  "account_id": "7063844",
  "code": "0",
  "account_platform": "seller_center",
  "refresh_expires_in": "60",
  "expires_in": "10",
  "request_id": "0ba2887315178178017221014",
  "account": "xxx@126.com"
}
```

--------------------------------

### GET/POST /auth/token/createWithOpenId

Source: https://open.lazada.com/apps/doc/api?path=%2Fauth%2Ftoken%2FcreateWithOpenId

Exchanges an authorization code for an access token to authenticate API requests.

```APIDOC
## GET/POST /auth/token/createWithOpenId

### Description
This endpoint is used to create an access token using an authorization code obtained from the user authorization flow.

### Method
GET/POST

### Endpoint
/auth/token/createWithOpenId

### Parameters
#### Request Body
- **code** (string) - Required - The authorization code received from the authorization URL.
- **uuid** (string) - Optional - This field is currently invalid and should not be used.

### Request Example
```
LazopClient client = new LazopClient(url, appkey, appSecret);
LazopRequest request = new LazopRequest();
request.setApiName("/auth/token/createWithOpenId");
request.addApiParameter("code", "0_100132_2DL4DV3jcU1UOT7WGI1A4rY91");
LazopResponse response = client.execute(request);
```

### Response
#### Success Response (200)
- **access_token** (string) - The token used for API authentication.
- **refresh_token** (string) - Token used to refresh the access token.
- **expires_in** (string) - Expiration time for the access token.
- **account_id** (string) - The unique identifier for the account.

#### Response Example
{
  "access_token": "50000601c30atpedfgu3LVvik87Ixlsvle3mSoB7701ceb156fPunYZ43GBg",
  "country": "sg",
  "refresh_token": "500016000300bwa2WteaQyfwBMnPxurcA0mXGhQdTt18356663CfcDTYpWoi",
  "account_id": "7063844",
  "code": "0",
  "account_platform": "seller_center",
  "refresh_expires_in": "60",
  "expires_in": "10",
  "request_id": "0ba2887315178178017221014",
  "account": "xxx@126.com"
}
```

--------------------------------

### Generate Access Token with OpenID

Source: https://open.lazada.com/apps/doc/api?path=%2Fauth%2Ftoken%2FcreateWithOpenId

This endpoint allows you to generate an access token using an OpenID, which is required for calling other Lazada APIs.

```APIDOC
## POST /auth/token/createWithOpenId

### Description
Generates an access token using an OpenID for authenticated API calls.

### Method
POST

### Endpoint
/auth/token/createWithOpenId

### Parameters
#### Query Parameters
- **app_key** (String) - Required - Unique app ID issued by LAZADA Open Platform console.
- **timestamp** (String) - Required - The time stamp of the request (e.g., 1517820392000).
- **access_token** (String) - Optional - API interface call credentials.
- **sign_method** (String) - Required - The HMAC hash algorithm used to calculate the signature.
- **sign** (String) - Required - Part of the authentication process for verifying the request.
- **code** (String) - Required - OAuth code obtained from the app callback URL.
- **uuid** (String) - Optional - This field is currently invalid, do not use.

### Request Example
```json
{
  "example": "POST /auth/token/createWithOpenId?app_key=YOUR_APP_KEY&timestamp=1517820392000&sign_method=HMAC-SHA256&sign=YOUR_SIGN&code=OAUTH_CODE"
}
```

### Response
#### Success Response (200)
- **expires_in** (Number) - The expiring time of the access token, in seconds.
- **account_id** (String) - Account ID. Allows null. If account_platform is seller_center, account_id is null.
- **country** (String) - The country ID (sg:Singapore, my:Malaysia, ph:Philippines, th:Thailand, id:Indonesia, vn:Vietnam).
- **country_user_info** (Object[]) - Country user details.
  - **country** (String) - The country ID (sg:Singapore, my:Malaysia, ph:Philippines, th:Thailand, id:Indonesia, vn:Vietnam).
  - **user_id** (String) - User ID.
  - **short_code** (String) - Seller short code.
  - **account_platform** (String) - Account platform.
  - **access_token** (String) - Access token.
  - **account** (String) - User account (login user).
- **refresh_expires_in** (String) - The expiring time of the refresh token.
- **refresh_token** (String) - Refresh token, used to refresh the token when “refresh_expires_in” > 0.

#### Response Example
```json
{
  "expires_in": 7200,
  "account_id": "123456789",
  "country": "my",
  "country_user_info": [
    {
      "country": "my",
      "user_id": "987654321",
      "short_code": "SELLER123",
      "account_platform": "seller_center",
      "access_token": "REFRESH_ACCESS_TOKEN",
      "account": "seller@example.com"
    }
  ],
  "refresh_expires_in": "7776000",
  "refresh_token": "REFRESH_TOKEN_VALUE"
}
```
```

=== COMPLETE CONTENT === This response contains all available snippets from this library. No additional content exists. Do not make further requests.