How to add point on OpenStreetMap through API?

I have OpenStreetMap hosted in my local server, I need help that how to add point in OpenStreetMap using API’s

I am trying this code to create point in my own server OSM but getting response 404 not found any help PLZ…

using System;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
using System.Web.Http;

namespace YourNamespace.Controllers
public class NodeController : ApiController
public async Task CreateNode()
string url = “http://your_own_osm_server/api/0.6/node/create”;

        // Construct the XML payload
        string xmlData = $@"
                <node lat=""YOUR_LATITUDE"" lon=""YOUR_LONGITUDE"" version=""1"" changeset=""1"">
                    <tag k=""key1"" v=""value1""/>
                    <tag k=""key2"" v=""value2""/>

        using (HttpClient client = new HttpClient())
            // Create the HTTP content with XML payload
            HttpContent content = new StringContent(xmlData, Encoding.UTF8, "application/xml");

            // Make the POST request
            HttpResponseMessage response = await client.PostAsync(url, content);

            // Check if the request was successful
            if (response.IsSuccessStatusCode)
                return Ok("Node created successfully!");
                return BadRequest("Failed to create node. Status code: " + response.StatusCode);