This API is used to unbind one or more NICs from a BMS.

The primary NIC of a BMS has routing rules configured and cannot be unbound.

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

Table 1 lists the parameters.

**Table 1** Parameter description
Parameter	Mandatory	Description
project_id	Yes	Specifies the project ID. For details about how to obtain the project ID, see Obtaining a Project ID.
server_id	Yes	Specifies the BMS ID. You can obtain the BMS ID from the BMS console or by calling the API Querying BMSs.

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

**Table 3** **nics** data structure
Parameter	Mandatory	Type	Description
id	Yes	String	Specifies the port ID of the NIC.

Unbinding a NIC (port ID: d32019d3-bc6e-4319-9c1d-6722fc136a23) from a BMS

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

**Table 4** Normal response
Parameter	Type	Description
job_id	String	Specifies the task ID returned after a task command is issued. The task ID can be used to query the execution status of the task. For details about how to query the task execution status based on job_id, see Querying Task Statuses.

**Table 5** Abnormal response
Parameter	Type	Description
error	Dictionary data structure	Specifies the error returned when a task submission encounters an exception. For details, see Table 6.

**Table 6** **error** data structure
Parameter	Type	Description
message	String	Specifies the error message.
code	String	Specifies the error code.

Normal response

{ 
    "job_id": "70a599e0-31e7-49b7-b260-868f441e862b" 
} 

Normal values

Returned Values	Description
200	The request has been successfully processed.

For details about other returned values, see Status Codes.

Unbinding NICs from a BMS