curl -X PUT "http://127.0.0.1:22999/api/wip" -H "Authorization: API key" -H "Content-Type: application/json" -d '{"ip":"1.2.1.2"}'

#!/usr/bin/env node

require('request-promise')({
  method: 'PUT',
  url: 'http://127.0.0.1:22999/api/wip',
  json: {'ip':'1.2.1.2'},
  headers: {'Authorization': 'API key'},
}).then(function(data){ console.log(data);},

function(err){ console.error(err); });

package example;

import org.apache.http.HttpHost;
import org.apache.http.client.fluent.\*;

public class Example {
  public static void main(String[] args) throws Exception {
    String body = "{\"ip\":\"1.2.1.2\"}";
    String res =Executor.newInstance()
      .addHeader("Authorization", "API key")
      .execute(Request.Put("http://127.0.0.1:22999/api/wip")
      .bodyString(body, ContentType.APPLICATION_JSON))
      .returnContent()
      .asString();

    System.out.println(res)
  }
}

using System;
using System.Net;
using System.Net.Http;
using System.Net.Http.Headers;


public class Program {
  public static async Task Main() {
    var client = new HttpClient();
    var requestMessage = new HttpRequestMessage {
      Method = HttpMethod.Put,
      RequestUri = new Uri("http://127.0.0.1:22999/api/wip"),
      Headers = {{"Authorization", "API key"}},
      Content = new StringContent(JsonConvert.SerializeObject(new {
        ip = "1.2.1.2"
      }), Encoding.UTF8, "application/json")
    };

    var response = await client.SendAsync(requestMessage);
    var responseString = await response.Content.ReadAsStringAsync();

    Console.WriteLine(responseString);
  }
}

#!/usr/bin/env python

import json
import requests


data = {'ip':'1.2.1.2'}
headers = {'Authorization': 'API key'}

r = requests.put(
  'http://127.0.0.1:22999/api/wip',
  data=json.dumps(data),
  headers=headers
)

print(r.content)

Successful response

Bad request. No IP was passed

Forbidden. No authentication provided

Unprocessable entity. Invalid IP was passed