# Deleting NICs from an ECS in a Batch

#### Function

This API is used to uninstall and delete one or multiple NICs from an ECS.

#### Constraints

The primary NIC of an ECS has routing rules configured and cannot be deleted.

#### URI

POST /v1/{project_id}/cloudservers/{server_id}/nics/delete

Table 1 describes the parameters in the URI.

Table 1 Parameter description
Parameter | Mandatory | Description
--- | --- | ---
project_id | Yes | Specifies the project ID.
server_id | Yes | Specifies the ECS ID.

#### Request

Table 2 describes the request parameters.

Table 2 Request parameters
Parameter | Mandatory | Type | Description
--- | --- | --- | ---
nics | Yes | Array of objects | Specifies the NICs to be deleted. For details, see Table 3.

Table 3 nics field description
Parameter | Mandatory | Type | Description
--- | --- | --- | ---
id | Yes | String | Specifies the port ID of the NIC. NOTE: When the ID is the same as the ECS primary NIC ID, the system will return error code 403.

#### Response

See Responses (Task).

#### Example Request

    POST https://{endpoint}/v1/{project_id}/cloudservers/{server_id}/nics/delete

    {
        "nics": [
             {
                "id": "d32019d3-bc6e-4319-9c1d-6722fc136a23"
            }
        ]
    }

#### Example Response

None

#### Returned Values

See Returned Values for General Requests.

#### Error Codes

See Error Codes.

Parent topic: NIC Management