# Unbinding a Floating IP Address (Discarded)

#### Function

This API is used to unbind a floating IP address from an ECS.

This API has been discarded. Since microversion 2.44, the system will return error 404 when you call this API. You are advised to use the VPC API "Updating a Floating IP Address".

#### URI

POST /v2/{project_id}/servers/{server_id}/action

POST /v2.1/{project_id}/servers/{server_id}/action

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 parameter
Parameter | Mandatory | Type | Description
--- | --- | --- | ---
removeFloatingIp | Yes | Object | Unbinds a floating IP address from an ECS.

Table 3 removeFloatingIp parameter information
Parameter | Mandatory | Type | Description
--- | --- | --- | ---
address | Yes | String | Specifies the floating IP address.

#### Response

None

#### Example Request

    POST https://{endpoint}/v2/9c53a566cb3443ab910cf0daebca90c4/servers/47e9be4e-a7b9-471f-92d9-ffc83814e07a/action
    POST https://{endpoint}/v2.1/9c53a566cb3443ab910cf0daebca90c4/servers/47e9be4e-a7b9-471f-92d9-ffc83814e07a/action

    {
       "removeFloatingIp" : {
            "address" : "10.144.2.1"
        }
    }

#### Example Response

None

#### Returned Values

See Returned Values for General Requests.

Parent topic: Floating IP Address Management (OpenStack Nova APIs)