POST /auth/nonce

interface AuthNonceResponse {
  nonce: string;
  expires_in: number;
}

const response = await fetch('https://agentnumber.really.com/auth/nonce', {
  method: 'POST',
  headers: {
    'content-type': 'application/json'
  },
  body: JSON.stringify({
    address: '0x0000000000000000000000000000000000000000'
  })
});
if (!response.ok) {
  throw new Error(`issue a single-use nonce for wallet-signature recovery failed: ${response.status}`);
}
const data = (await response.json()) as AuthNonceResponse;

requests.post(
    "https://agentnumber.really.com/auth/nonce",
    headers={
      "content-type": "application/json"
    },
    json={
      "address": "0x0000000000000000000000000000000000000000"
    }
)

package main

import (
	"fmt"
	"io"
	"net/http"
	"strings"
)

func main() {
	requestUrl := "https://agentnumber.really.com/auth/nonce"

	payload := strings.NewReader(`{
  "address": "0x0000000000000000000000000000000000000000"
}`)

	req, _ := http.NewRequest("POST", requestUrl, payload)

	req.Header.Add("content-type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}

fetch('https://agentnumber.really.com/auth/nonce', {
  method: 'POST',
  headers: {
    'content-type': 'application/json'
  },
  body: JSON.stringify({
    address: '0x0000000000000000000000000000000000000000'
  })
})

import { request } from 'undici'

const { statusCode, body } = await request('https://agentnumber.really.com/auth/nonce', {
  method: 'POST',
  headers: {
    'content-type': 'application/json'
  },
  body: JSON.stringify({
    address: '0x0000000000000000000000000000000000000000'
  })
})

require 'uri'
require 'net/http'

url = URI("https://agentnumber.really.com/auth/nonce")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["content-type"] = 'application/json'
request.body = <<~JSON
{
  "address": "0x0000000000000000000000000000000000000000"
}
JSON

response = http.request(request)
puts response.read_body

import Foundation

var request = URLRequest(url: URL(string: "https://agentnumber.really.com/auth/nonce")!)
request.httpMethod = "POST"
request.setValue("application/json", forHTTPHeaderField: "content-type")
let jsonBody = #"""
{
  "address": "0x0000000000000000000000000000000000000000"
}
"""#
request.httpBody = jsonBody.data(using: .utf8)

let (data, response) = try await URLSession.shared.data(for: request)

guard let httpResponse = response as? HTTPURLResponse,
      200..<300 ~= httpResponse.statusCode else {
  throw URLError(.badServerResponse)
}

print(String(data: data, encoding: .utf8) ?? "")

val client = OkHttpClient()

val mediaType = MediaType.parse("application/json")
val body = RequestBody.create(mediaType, "{\n  \"address\": \"0x0000000000000000000000000000000000000000\"\n}")
val request = Request.Builder()
  .url("https://agentnumber.really.com/auth/nonce")
  .post(body)
  .addHeader("content-type", "application/json")
  .build()

val response = client.newCall(request).execute()

POST /auth/nonce HTTP/1.1
Host: agentnumber.really.com
content-type: application/json
Content-Type: application/json

{
  "address": "0x0000000000000000000000000000000000000000"
}

HttpRequest request = HttpRequest.newBuilder()
    .uri(URI.create("https://agentnumber.really.com/auth/nonce"))
    .header("content-type", "application/json")
    .method("POST", HttpRequest.BodyPublishers.ofString("{\n  \"address\": \"0x0000000000000000000000000000000000000000\"\n}"))
    .build();
HttpResponse<String> response = HttpClient.newHttpClient().send(request, HttpResponse.BodyHandlers.ofString());
System.out.println(response.body());

#import <Foundation/Foundation.h>

NSDictionary *headers = @{ @"content-type": @"application/json" };
NSDictionary *parameters = @{ @"address": @"0x0000000000000000000000000000000000000000" };

NSData *postData = [NSJSONSerialization dataWithJSONObject:parameters options:0 error:nil];

NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:@"https://agentnumber.really.com/auth/nonce"]
                                                       cachePolicy:NSURLRequestUseProtocolCachePolicy
                                                   timeoutInterval:10.0];
[request setHTTPMethod:@"POST"];
[request setAllHTTPHeaderFields:headers];
[request setHTTPBody:postData];

NSURLSession *session = [NSURLSession sharedSession];
NSURLSessionDataTask *dataTask = [session dataTaskWithRequest:request
                                            completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
                                                if (error) {
                                                    NSLog(@"%@", error);
                                                } else {
                                                    NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *) response;
                                                    NSLog(@"%@", httpResponse);
                                                }
                                            }];
[dataTask resume];

using var client = new HttpClient();

var request = new HttpRequestMessage(HttpMethod.Post, "https://agentnumber.really.com/auth/nonce");
request.Content = new StringContent(
"""
{
  "address": "0x0000000000000000000000000000000000000000"
}
""",
System.Text.Encoding.UTF8, "application/json");

using var response = await client.SendAsync(request);

#include <curl/curl.h>

int main(void) {
  curl_global_init(CURL_GLOBAL_DEFAULT);
  CURL *curl = curl_easy_init();
  if (!curl) {
    curl_global_cleanup();
    return 1;
  }

  curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "POST");
  curl_easy_setopt(curl, CURLOPT_URL, "https://agentnumber.really.com/auth/nonce");

  struct curl_slist *headers = NULL;
  headers = curl_slist_append(headers, "content-type: application/json");
  curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);

  curl_easy_setopt(curl, CURLOPT_POSTFIELDS, "{\n  \"address\": \"0x0000000000000000000000000000000000000000\"\n}");

  CURLcode res = curl_easy_perform(curl);
  curl_easy_cleanup(curl);
  curl_slist_free_all(headers);
  curl_global_cleanup();

  return (int)res;
}

import 'package:http/http.dart' as http;

void main() async {
  final headers = <String,String>{
    'content-type': 'application/json',
  };

  final body = r'{
  "address": "0x0000000000000000000000000000000000000000"
}';

  final response = await http.post(Uri.parse('https://agentnumber.really.com/auth/nonce'), headers: headers, body: body);
  print(response.body);
}

let client = reqwest::Client::new();

let request = client
    .post("https://agentnumber.really.com/auth/nonce")
    .header("content-type", "application/json")
    .json(&serde_json::json!({
        "address": "0x0000000000000000000000000000000000000000"
    }));

let response = request.send().await?;

$ch = curl_init("https://agentnumber.really.com/auth/nonce");

curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, ['content-type: application/json']);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode([
  'address' => '0x0000000000000000000000000000000000000000'
]));

curl_exec($ch);

curl_close($ch);