# 示例1：购买华为云区块链实例
#### 场景描述
本章以购买一个华为云区块链实例为例。
#### 涉及其他云服务接口
无。
#### 购买HBS实例
- 接口相关信息 URI格式 ：POST /v2/{project_id}/huaweicloudchain/instances
  
- 请求示例 POST https://{bcs_endpoint}/v2/{project_id}/huaweicloudchain/instances
  {bcs_endpoint}信息请从[地区和终端节点](https://developer.huaweicloud.com/endpoint)获取，{project_id}信息请参考[获取项目ID](https://support.huaweicloud.com/api-bcs/hbs_api_0020.html#hbs_api_0020)。
  Body：
  ```
  "name" : "huawei-chain-01",
    "edition" : "Professional",
    "data_management" : "Cloud",
      "orgs" : [ {
      "name" : "org1"
    }, {
      "name" : "org2"
    } ],
    "chain_info" : {
      "consensus" : "raft",
      "sign_algorithm" : "ecdsa_with_sha256"
    },
    "org_order_info" : {
      "charge_mode" : 0,
      "period_type" : 2,
      "period_num" : 1,
      "is_auto_pay" : true,
      "is_auto_renew" : true
    }
  }
  ```
  
- 响应示例
  ```
  {
    "order_id" : "CS2205101612RBMZD",
    "order_num" : 2,
    "instance_id" : "e224e6b6-e215-11ec-9675-0255ac101552",
    "job_id" : "e9541c1a-e17e-11ec-9826-0255ac10040d"
  }
  ```