1PUT /v1/eip/batch/instance/{action}{?clientToken} HTTP/1.1     
2Host: bec.baidubce.com     
3Authorization: authorization string     
4
5{
6    "backends": [
7        {
8            "eipId": "ip-xxxxxxxx",
9            "instanceType": "instanceType",
10            "instanceId": "instanceId",
11            "instanceIp": "instanceIp",
12            "mode": "mode"
13        }
14    ]
15}

1 PUT /v1/eip/batch/instance/bind HTTP/1.1     
2 Host: bec.baidubce.com     
3 Authorization: authorization string   
4 
5{
6    "backends": [
7        {
8            "eipId": "ip-u5wf9tsj",
9            "instanceType": "eni",
10            "instanceId": "eni-r7ceb9jc7coa",
11            "instanceIp": "172.16.0.144",
12            "mode": "nat"
13        }
14    ]
15}

1 HTTP/1.1 200 OK     
2 x-bce-request-id: 1214cca7 4ad5 451d 9215 71cb844c0a50     
3 Date: Thu, 16 Mar 2022 06:29:48 GMT      
4 Content Type: application/json;charset=UTF 8     
5 Server: BWS     
6
7{
8    "result": true,
9    "action": "bind",
10    "details": [
11        {
12            "resourceId": "ip-u5wf9tsj",
13            "success": true,
14            "error": null
15        }
16    ]
17}