Creates a blocked phone number resource

POST

/blocked_numbers

Creates a new blocked phone number for the authenticated user

Authorizations

token

Request Body^required

The new blocked phone number resource

Blocked phone number - write representation

object

number

required

Phone number in international format

string

/^\+[0-9]{4,20}$/

Examples

blocked_number_req_ld

Block a phone number

Example request to block a phone number

{
  "number": "+491701234567"
}

Blocked phone number - write representation

object

number

required

Phone number in international format

string

/^\+[0-9]{4,20}$/

Examples

blocked_number_req_json

Block a phone number

Example request to block a phone number

{
  "number": "+491701234567"
}

Responses

201

Blocked_number resource created

Blocked phone number - JSON-LD read representation

object

@id

JSON-LD ID

string

@type

JSON-LD type

string

@context

One of:

string
object

string

required

Unique identifier

integer

>= 1

number

required

Phone number in international format

string

/^\+[0-9]{4,20}$/

type

required

Blocked number’s type:

1 - blocked by customer
2 - unsubscribed by user

integer

Allowed values: 1 2

added_at

required

Date and time when the number was added to the blocked list (ISO 8601)

string format: date-time

Examples

blocked_number_post_ld

Blocked number created (JSON-LD)

Example response for POST /blocked_numbers with Accept: application/ld+json

{
  "@context": "/contexts/BlockedNumber",
  "@id": "/blocked_numbers/1",
  "@type": "BlockedNumber",
  "id": 1,
  "number": "+491701234567",
  "type": 1,
  "added_at": "2025-08-22T08:06:56+00:00"
}

Blocked phone number - read representation

object

required

Unique identifier

integer

>= 1

number

required

Phone number in international format

string

/^\+[0-9]{4,20}$/

type

required

Blocked number’s type:

1 - blocked by customer
2 - unsubscribed by user

integer

Allowed values: 1 2

added_at

required

Date and time when the number was added to the blocked list (ISO 8601)

string format: date-time

Examples

blocked_number_post_json

Blocked number created

Example response for POST /blocked_numbers with Accept: application/json

{
  "id": 1,
  "number": "+491701234567",
  "type": 1,
  "added_at": "2025-08-22T08:06:56+00:00"
}

400

Invalid input

401

Client ID or API key isn’t active or invalid!

403

Account isn’t activated. Please wait or contact to support!

409

Conflict - Entity already exists

429

IP address was temporary blocked, because during short time from it was sent many request with invalid credentials. Please wait and try later.

Code Samples

#!/usr/bin/env bash
curl -X POST https://api.lox24.eu/blocked_numbers \
  -H 'Content-Type: application/json' \
  -H 'X-LOX24-AUTH-TOKEN: 1234567:e3f3a759b6677959b6ebfcxxxxxxxxxx' \
  -d '{
      "number": "+1234567890"
}'

using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System;
using System.IO;
using System.Net;
using System.Text;

namespace Lox24.Api
{
    class client
    {
        static void Main()
        {
            string key = "1234567:e3f3a759b6677959b6ebfcxxxxxxxxxx";
            string url = "https://api.lox24.eu/blocked_numbers";


            var data = new {
                number = "+1234567890"
            };

            string postdata = JsonConvert.SerializeObject(data);

            Console.WriteLine("Post data: {0}", postdata);

            var httpWebRequest = (HttpWebRequest)WebRequest.Create(url);
            httpWebRequest.ReadWriteTimeout = 100000;
            httpWebRequest.ContentType = "application/json; charset=utf-8";
            httpWebRequest.Accept = "application/json"; // or application/ld+json
            httpWebRequest.Method = "POST";
            httpWebRequest.KeepAlive = true;
            httpWebRequest.Headers.Add("X-LOX24-AUTH-TOKEN", key);
            httpWebRequest.Credentials = CredentialCache.DefaultNetworkCredentials;

            using (var streamWriter = new StreamWriter(httpWebRequest.GetRequestStream()))
            {
                streamWriter.Write(postdata);
                streamWriter.Flush();
                streamWriter.Close();
            }
            try
            {
                using (HttpWebResponse resp = (HttpWebResponse)httpWebRequest.GetResponse())
                {

                    if(resp.StatusCode == HttpStatusCode.Created) {
                        Console.WriteLine("Success:{0} {1}", (int)resp.StatusCode, "blocked number resource created");
                    } else {
                        Console.WriteLine("Error: wrong response code {0} on create blocked number", (int)resp.StatusCode);
                    }

                    Stream respStream = resp.GetResponseStream();
                    using (StreamReader sr = new StreamReader(respStream, Encoding.UTF8))
                    {
                        string responseText = sr.ReadToEnd();
                        Console.WriteLine("responseText : {0}", responseText);
                    }
                }

            }
            catch (System.Net.WebException ex)
            {
                var webResponse = ex.Response as System.Net.HttpWebResponse;
                Console.WriteLine("Error:{0}", webResponse.StatusCode);

                switch (webResponse.StatusCode)
                {
                    case HttpStatusCode.BadRequest: // 400
                        Console.WriteLine("Error:400 Invalid input");
                        break;
                    case HttpStatusCode.Unauthorized: // 401
                        Console.WriteLine("Error:401 Client ID or API key isn't active or invalid!");
                        break;
                    case HttpStatusCode.Forbidden: // 403
                        Console.WriteLine("Error:403 Account isn't activated. Please wait or contact to support!");
                        break;
                    case HttpStatusCode.Conflict: // 409
                        Console.WriteLine("Error:409 Conflict - resource already exists");
                        break;
                    case HttpStatusCode.InternalServerError: // 500
                    case HttpStatusCode.BadGateway: //502
                    case HttpStatusCode.ServiceUnavailable: // 503
                    case HttpStatusCode.GatewayTimeout: // 504
                        Console.WriteLine("System error! Please contact to LOX24 support!");
                        break;
                }
            }
        }
    }
}

package main

import (
  "bytes"
  "encoding/json"
  "fmt"
  "io/ioutil"
  "log"
  "net/http"
)

func main() {

  const Method = "POST"
  const URL = "https://api.lox24.eu/blocked_numbers"
  const Token = "1234567:e3f3a759b6677959b6ebfcxxxxxxxxxx"

  payload := map[string]interface{}{
    "number": "+1234567890",
  }

  jsonPayload, _ := json.Marshal(payload)

  client := &http.Client{}

  req, err := http.NewRequest(Method, URL, bytes.NewBuffer(jsonPayload))
  if err != nil {
    log.Fatal(err)
  }

  req.Header.Add("X-LOX24-AUTH-TOKEN", Token)
  req.Header.Add("Content-Type", "application/json")

  res, err := client.Do(req)
  if err != nil {
    log.Fatal(err)
  }

  defer res.Body.Close()

  body, err := ioutil.ReadAll(res.Body)
  if err != nil {
    log.Fatal(err)
  }

  switch res.StatusCode {
  case 201:
    fmt.Println((string(body)))
  case 400:
    fmt.Println("Error: code = 400 - Invalid input")
  case 401:
    fmt.Println("Error: code = 401 - Client ID or API key isn't active or invalid!")
  case 403:
    fmt.Println("Error: code = 403 - Account isn't activated. Please wait or contact to support!")
  case 409:
    fmt.Println("Error: code = 409 - Conflict - resource already exists")
  default:
    fmt.Printf("Error: code = %d\n", res.StatusCode)
  }
}

package eu.lox24.doc.blocked_number;

import org.json.JSONObject;

import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.time.Duration;

public class PostBlockedNumberCollection {

    public static void main(String[] args) {

        var key = "1234567:e3f3a759b6677959b6ebfcxxxxxxxxxx";
        var url = "https://api.lox24.eu/blocked_numbers";

        var json = new JSONObject();
        json.put("number", "+1234567890");

        var postData = json.toString();

        System.out.println("Post data: " + postData);

        var httpRequest = HttpRequest.newBuilder(URI.create(url))
                .timeout(Duration.ofMillis(100000))
                .setHeader("Content-Type", "application/json; charset=utf-8")
                .setHeader("Accept", "application/json") // or application/ld+json
                .setHeader("X-LOX24-AUTH-TOKEN", key)
                .POST(HttpRequest.BodyPublishers.ofString(postData))
                .build();

        var client = HttpClient.newBuilder()
                .version(HttpClient.Version.HTTP_1_1) // Http 1.1 clients are kept alive be default
                .build();

        try {
            var httpResponse = client.send(httpRequest, HttpResponse.BodyHandlers.ofString());

            if (httpResponse.statusCode() == HttpURLConnection.HTTP_CREATED) {
                System.out.println("Success:" + httpResponse.statusCode() + " " + "blocked number resource created");
                System.out.println("Response text : \n" + httpResponse.body());

            } else {

                System.out.println("Error: wrong response code " + httpResponse.statusCode() + " on create blocked number");

                switch (httpResponse.statusCode()) {

                    case HttpURLConnection.HTTP_BAD_REQUEST: // 400
                        System.out.println("Error:400 Invalid input");
                        break;
                    case HttpURLConnection.HTTP_UNAUTHORIZED: // 401
                        System.out.println("Error:401 Client ID or API key isn't active or invalid!");
                        break;
                    case HttpURLConnection.HTTP_FORBIDDEN: // 403
                        System.out.println("Error:403 Account isn't activated. Please wait or contact to support!");
                        break;
                    case HttpURLConnection.HTTP_CONFLICT: // 409
                        System.out.println("Error:409 Conflict - resource already exists");
                        break;
                    case HttpURLConnection.HTTP_INTERNAL_ERROR: // 500
                    case HttpURLConnection.HTTP_BAD_GATEWAY: //502
                    case HttpURLConnection.HTTP_UNAVAILABLE: // 503
                    case HttpURLConnection.HTTP_GATEWAY_TIMEOUT: // 504
                        System.out.println("System error! Please contact to LOX24 support!");
                        break;
                }

            }

        } catch (IOException | InterruptedException e) {
            e.printStackTrace();
        }
    }
}

const host = 'api.lox24.eu';
const token = "1234567:e3f3a759b6677959b6ebfcxxxxxxxxxx";

var postObj = {
    number: '+1234567890'
};

var postdata = JSON.stringify(postObj);

const https = require('https');
const options = {
    hostname: host,
    path: '/blocked_numbers',
    method: 'POST',
    headers: {
        'Accept': 'application/json',
        'Content-Type': 'application/json',
        'Content-Length': postdata.length,
        'X-LOX24-AUTH-TOKEN': token
    }
}

const req = https.request(options, res => {
    if (res.statusCode == 201) {
        console.log("Success: code = 201 - blocked number resource created");
        res.on('data', d => { process.stdout.write(d) })
    } else if (res.statusCode == 400) {
        console.log("Error: code = 400 - Invalid input");
    } else if (res.statusCode == 401) {
        console.log("Error: code = 401 - Client ID or API key isn't active or invalid!");
    } else if (res.statusCode == 403) {
        console.log("Error: code = 403 - Account isn't activated. Please wait or contact to support!");
    } else if (res.statusCode == 409) {
        console.log("Error: code = 409 - Conflict - resource already exists");
    } else {
        console.log("Error: code = " + res.statusCode );
    }
})

req.on('error', error => {
    console.error(error)
})
req.write(postdata);
req.end();

<?php

$uri = 'https://api.lox24.eu/blocked_numbers';

$token = '1234567:e3f3a759b6677959b6ebfcxxxxxxxxxx';

$body = [
    "number" => "+1234567890",
];

if(!$body = json_encode($body)) {
    die('JSON encoding error!');
}

$curl = curl_init();

curl_setopt_array($curl, [
    CURLOPT_POST => true,
    CURLOPT_URL => $uri,
    CURLOPT_POSTFIELDS => $body,
    CURLOPT_HTTPHEADER => [
        "X-LOX24-AUTH-TOKEN: {$token}",
        'Accept: application/json', // or application/ld+json
        'Content-Type: application/json',
    ],
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_TIMEOUT => 20,
    CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
]);

$response = curl_exec($curl);
$code = curl_getinfo($curl, CURLINFO_HTTP_CODE);
curl_close($curl);

$data = json_decode($response, JSON_OBJECT_AS_ARRAY);

if(201 === $code) {
    echo 'Success: response data = ' . var_export($data, true);
} else {
    echo "Error: code = {$code}, data = " . var_export($data, true);
}

import json
import requests


token = "1234567:e3f3a759b6677959b6ebfcxxxxxxxxxx"

url = 'https://api.lox24.eu/blocked_numbers'


data = {
    'number': '+1234567890'
}

headers = {
    'Accept': 'application/json',
    'Content-Type': 'application/json',
    'X-LOX24-AUTH-TOKEN': token,
}

print("Post data : ", json.dumps(data, indent=4))

try:
    # timeout is 100 seconds, the payload is automatically converted to json format
    res = requests.post(url, headers=headers, json=data, timeout=100)
    if res.status_code != 201: # Created
        print("Error: Wrong response code on create blocked number")
        res.raise_for_status()
    else:
        print(f'Success: code = {res.status_code} - blocked number resource created')
        print("Response: ", json.dumps(res.json(), indent=4))

except requests.HTTPError:
    if res.status_code == 400:
        print("Error:400 Invalid input")
    elif res.status_code == 401:
        print("Error: code = 401 - Client ID or API key isn't active or invalid!")
    elif res.status_code == 403:
        print("Error: code = 403 - Account isn't activated. Please wait or contact to support!")
    elif res.status_code == 409:
        print("Error:409 Conflict - resource already exists")
    elif res.status_code in (500, 502, 503, 504):
        print("System error! Please contact to LOX24 support!")
    else:
        print(f"Error: code {res.status_code}")
    print(json.dumps(res.json(), indent=4))

Creates a blocked phone number resource

Authorizations

Request Body required

Examples

Examples

Responses

201

Examples

Examples

400

401

403

409

429

Code Samples

Request Body^required