curl --location --request POST 'https://zylalabs.com/api/12735/e-invoice+error+checking+validation+api/24635/validate+nf-e+xml' --header 'Authorization: Bearer YOUR_API_KEY' 

--data-raw '

  
    
      
        35
        00000001
        VENDA
        55
        1
        1
        2026-05-19T10:00:00-03:00
        1
        1
        3550308
        1
        1
        0
        2
        1
        0
        1
        0
        1.0
      
      
        11222333000181
        EMPRESA TESTE LTDA
        
          RUA TESTE
          100
          CENTRO
          3550308
          SAO PAULO
          SP
          01000000
        
        123456789012
        3
      
      
        22333444000172
        CLIENTE TESTE LTDA
      
    
  
'

    

import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;
import java.io.IOException;

public class Main {
    public static void main(String[] args) {
        OkHttpClient client = new OkHttpClient();

        // Build the GET request
        Request request = new Request.Builder()
            .url("https://zylalabs.com/api/12735/e-invoice+error+checking+validation+api/24635/validate+nf-e+xml")
            .get() // Use GET method without a body
            .addHeader("Authorization", "Bearer YOUR_API_KEY")
            .build();

        // Execute the request
        try (Response response = client.newCall(request).execute()) {
            if (response.isSuccessful()) {
                // Handle the response in case of a successful request
                String responseData = response.body().string();
                System.out.println(responseData);
            } else {
                // Handle errors
                System.out.println("Request error: " + response.code());
            }
        } catch (IOException e) {
            // Handle I/O exceptions
            e.printStackTrace();
        }
    }
}

var settings = {
  "url": "https://zylalabs.com/api/12735/e-invoice+error+checking+validation+api/24635/validate+nf-e+xml",
  "method": "POST",
  "timeout": 0,
  "headers": {
    "Authorization": "Bearer YOUR_API_KEY"
  },
};

$.ajax(settings).done(function (response) {
  console.log(response);
});

var data = "\r\n\r\n  \r\n    \r\n      \r\n        35<\/cUF>\r\n        00000001<\/cNF>\r\n        VENDA<\/natOp>\r\n        55<\/mod>\r\n        1<\/serie>\r\n        1<\/nNF>\r\n        2026-05-19T10:00:00-03:00<\/dhEmi>\r\n        1<\/tpNF>\r\n        1<\/idDest>\r\n        3550308<\/cMunFG>\r\n        1<\/tpImp>\r\n        1<\/tpEmis>\r\n        0<\/cDV>\r\n        2<\/tpAmb>\r\n        1<\/finNFe>\r\n        0<\/indFinal>\r\n        1<\/indPres>\r\n        0<\/procEmi>\r\n        1.0<\/verProc>\r\n      <\/ide>\r\n      \r\n        11222333000181<\/CNPJ>\r\n        EMPRESA TESTE LTDA<\/xNome>\r\n        \r\n          RUA TESTE<\/xLgr>\r\n          100<\/nro>\r\n          CENTRO<\/xBairro>\r\n          3550308<\/cMun>\r\n          SAO PAULO<\/xMun>\r\n          SP<\/UF>\r\n          01000000<\/CEP>\r\n        <\/enderEmit>\r\n        123456789012<\/IE>\r\n        3<\/CRT>\r\n      <\/emit>\r\n      \r\n        22333444000172<\/CNPJ>\r\n        CLIENTE TESTE LTDA<\/xNome>\r\n      <\/dest>\r\n    <\/infNFe>\r\n  <\/NFe>\r\n<\/nfeProc>";
var xhr = new XMLHttpRequest();
xhr.withCredentials = true;
    
xhr.addEventListener("readystatechange", function() {
if(this.readyState === 4) {
    console.log(this.responseText);
    }
});
    
xhr.open("POST", "https://zylalabs.com/api/12735/e-invoice+error+checking+validation+api/24635/validate+nf-e+xml");
xhr.setRequestHeader("Authorization", "Bearer YOUR_API_KEY");
xhr.send(data);

var axios = require('axios');
var data = "\r\n\r\n  \r\n    \r\n      \r\n        35<\/cUF>\r\n        00000001<\/cNF>\r\n        VENDA<\/natOp>\r\n        55<\/mod>\r\n        1<\/serie>\r\n        1<\/nNF>\r\n        2026-05-19T10:00:00-03:00<\/dhEmi>\r\n        1<\/tpNF>\r\n        1<\/idDest>\r\n        3550308<\/cMunFG>\r\n        1<\/tpImp>\r\n        1<\/tpEmis>\r\n        0<\/cDV>\r\n        2<\/tpAmb>\r\n        1<\/finNFe>\r\n        0<\/indFinal>\r\n        1<\/indPres>\r\n        0<\/procEmi>\r\n        1.0<\/verProc>\r\n      <\/ide>\r\n      \r\n        11222333000181<\/CNPJ>\r\n        EMPRESA TESTE LTDA<\/xNome>\r\n        \r\n          RUA TESTE<\/xLgr>\r\n          100<\/nro>\r\n          CENTRO<\/xBairro>\r\n          3550308<\/cMun>\r\n          SAO PAULO<\/xMun>\r\n          SP<\/UF>\r\n          01000000<\/CEP>\r\n        <\/enderEmit>\r\n        123456789012<\/IE>\r\n        3<\/CRT>\r\n      <\/emit>\r\n      \r\n        22333444000172<\/CNPJ>\r\n        CLIENTE TESTE LTDA<\/xNome>\r\n      <\/dest>\r\n    <\/infNFe>\r\n  <\/NFe>\r\n<\/nfeProc>";
var config = {
method: 'POST',
url: 'https://zylalabs.com/api/12735/e-invoice+error+checking+validation+api/24635/validate+nf-e+xml',
headers: { 
    'Authorization': 'Bearer YOUR_API_KEY'
    },
data : data
};
axios(config).then(function (response) {
console.log(JSON.stringify(response.data));
})
.catch(function (error) {
console.log(error);
});

$curl = curl_init();
    
curl_setopt_array($curl, array(
CURLOPT_URL => 'https://zylalabs.com/api/12735/e-invoice+error+checking+validation+api/24635/validate+nf-e+xml',
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => '',
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 0,
CURLOPT_FOLLOWLOCATION => true,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => 'POST',
CURLOPT_POSTFIELDS => '

  
    
      
        35
        00000001
        VENDA
        55
        1
        1
        2026-05-19T10:00:00-03:00
        1
        1
        3550308
        1
        1
        0
        2
        1
        0
        1
        0
        1.0
      
      
        11222333000181
        EMPRESA TESTE LTDA
        
          RUA TESTE
          100
          CENTRO
          3550308
          SAO PAULO
          SP
          01000000
        
        123456789012
        3
      
      
        22333444000172
        CLIENTE TESTE LTDA
      
    
  
',
CURLOPT_HTTPHEADER => array(
    'Authorization: Bearer YOUR_API_KEY'
    ),
));
    
$response = curl_exec($curl);
    
curl_close($curl);
echo $response;

import requests
    
url = "https://zylalabs.com/api/12735/e-invoice+error+checking+validation+api/24635/validate+nf-e+xml"
    
payload = "\r\n\r\n  \r\n    \r\n      \r\n        35<\/cUF>\r\n        00000001<\/cNF>\r\n        VENDA<\/natOp>\r\n        55<\/mod>\r\n        1<\/serie>\r\n        1<\/nNF>\r\n        2026-05-19T10:00:00-03:00<\/dhEmi>\r\n        1<\/tpNF>\r\n        1<\/idDest>\r\n        3550308<\/cMunFG>\r\n        1<\/tpImp>\r\n        1<\/tpEmis>\r\n        0<\/cDV>\r\n        2<\/tpAmb>\r\n        1<\/finNFe>\r\n        0<\/indFinal>\r\n        1<\/indPres>\r\n        0<\/procEmi>\r\n        1.0<\/verProc>\r\n      <\/ide>\r\n      \r\n        11222333000181<\/CNPJ>\r\n        EMPRESA TESTE LTDA<\/xNome>\r\n        \r\n          RUA TESTE<\/xLgr>\r\n          100<\/nro>\r\n          CENTRO<\/xBairro>\r\n          3550308<\/cMun>\r\n          SAO PAULO<\/xMun>\r\n          SP<\/UF>\r\n          01000000<\/CEP>\r\n        <\/enderEmit>\r\n        123456789012<\/IE>\r\n        3<\/CRT>\r\n      <\/emit>\r\n      \r\n        22333444000172<\/CNPJ>\r\n        CLIENTE TESTE LTDA<\/xNome>\r\n      <\/dest>\r\n    <\/infNFe>\r\n  <\/NFe>\r\n<\/nfeProc>" 
headers = {
    'Authorization': 'Bearer YOUR_API_KEY'
}
    
response = requests.request("POST", url, headers=headers, data=payload)
    
print(response.text)
    

require "uri"
require "net/http"
    
url = URI("https://zylalabs.com/api/12735/e-invoice+error+checking+validation+api/24635/validate+nf-e+xml")
    
http = Net::HTTP.new(url.host, url.port);
request = Net::HTTP::POST.new(url)
request["Authorization"] = "Bearer YOUR_API_KEY"
request.body = "\r\n\r\n  \r\n    \r\n      \r\n        35<\/cUF>\r\n        00000001<\/cNF>\r\n        VENDA<\/natOp>\r\n        55<\/mod>\r\n        1<\/serie>\r\n        1<\/nNF>\r\n        2026-05-19T10:00:00-03:00<\/dhEmi>\r\n        1<\/tpNF>\r\n        1<\/idDest>\r\n        3550308<\/cMunFG>\r\n        1<\/tpImp>\r\n        1<\/tpEmis>\r\n        0<\/cDV>\r\n        2<\/tpAmb>\r\n        1<\/finNFe>\r\n        0<\/indFinal>\r\n        1<\/indPres>\r\n        0<\/procEmi>\r\n        1.0<\/verProc>\r\n      <\/ide>\r\n      \r\n        11222333000181<\/CNPJ>\r\n        EMPRESA TESTE LTDA<\/xNome>\r\n        \r\n          RUA TESTE<\/xLgr>\r\n          100<\/nro>\r\n          CENTRO<\/xBairro>\r\n          3550308<\/cMun>\r\n          SAO PAULO<\/xMun>\r\n          SP<\/UF>\r\n          01000000<\/CEP>\r\n        <\/enderEmit>\r\n        123456789012<\/IE>\r\n        3<\/CRT>\r\n      <\/emit>\r\n      \r\n        22333444000172<\/CNPJ>\r\n        CLIENTE TESTE LTDA<\/xNome>\r\n      <\/dest>\r\n    <\/infNFe>\r\n  <\/NFe>\r\n<\/nfeProc>"    
response = http.request(request)
puts response.read_body

printf '

  
    
      
        35
        00000001
        VENDA
        55
        1
        1
        2026-05-19T10:00:00-03:00
        1
        1
        3550308
        1
        1
        0
        2
        1
        0
        1
        0
        1.0
      
      
        11222333000181
        EMPRESA TESTE LTDA
        
          RUA TESTE
          100
          CENTRO
          3550308
          SAO PAULO
          SP
          01000000
        
        123456789012
        3
      
      
        22333444000172
        CLIENTE TESTE LTDA
      
    
  
'| 
http --follow --timeout 3600 POST 'https://zylalabs.com/api/12735/e-invoice+error+checking+validation+api/24635/validate+nf-e+xml' \
Authorization:'Bearer YOUR_API_KEY'

var client = new RestClient("https://zylalabs.com/api/12735/e-invoice+error+checking+validation+api/24635/validate+nf-e+xml");
client.Timeout = -1;
var request = new RestRequest(Method.POST);
request.AddHeader("Authorization", "Bearer YOUR_API_KEY");
var body = "\r\n\r\n  \r\n    \r\n      \r\n        35<\/cUF>\r\n        00000001<\/cNF>\r\n        VENDA<\/natOp>\r\n        55<\/mod>\r\n        1<\/serie>\r\n        1<\/nNF>\r\n        2026-05-19T10:00:00-03:00<\/dhEmi>\r\n        1<\/tpNF>\r\n        1<\/idDest>\r\n        3550308<\/cMunFG>\r\n        1<\/tpImp>\r\n        1<\/tpEmis>\r\n        0<\/cDV>\r\n        2<\/tpAmb>\r\n        1<\/finNFe>\r\n        0<\/indFinal>\r\n        1<\/indPres>\r\n        0<\/procEmi>\r\n        1.0<\/verProc>\r\n      <\/ide>\r\n      \r\n        11222333000181<\/CNPJ>\r\n        EMPRESA TESTE LTDA<\/xNome>\r\n        \r\n          RUA TESTE<\/xLgr>\r\n          100<\/nro>\r\n          CENTRO<\/xBairro>\r\n          3550308<\/cMun>\r\n          SAO PAULO<\/xMun>\r\n          SP<\/UF>\r\n          01000000<\/CEP>\r\n        <\/enderEmit>\r\n        123456789012<\/IE>\r\n        3<\/CRT>\r\n      <\/emit>\r\n      \r\n        22333444000172<\/CNPJ>\r\n        CLIENTE TESTE LTDA<\/xNome>\r\n      <\/dest>\r\n    <\/infNFe>\r\n  <\/NFe>\r\n<\/nfeProc>";
request.AddParameter("text/plain", body, ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
Console.WriteLine(response.Content);

package main
import (
    "fmt"
    "net/http"
    "io/ioutil"
)
func main() {
    url := "https://zylalabs.com/api/12735/e-invoice+error+checking+validation+api/24635/validate+nf-e+xml"
    method := "POST"
    payload := strings.NewReader("

  
    
      
        35
        00000001
        VENDA
        55
        1
        1
        2026-05-19T10:00:00-03:00
        1
        1
        3550308
        1
        1
        0
        2
        1
        0
        1
        0
        1.0
      
      
        11222333000181
        EMPRESA TESTE LTDA
        
          RUA TESTE
          100
          CENTRO
          3550308
          SAO PAULO
          SP
          01000000
        
        123456789012
        3
      
      
        22333444000172
        CLIENTE TESTE LTDA
      
    
  
")
    client := &http.Client {
    }
    req, err := http.NewRequest(method, url, nil)
    if err != nil {
    fmt.Println(err)
    return
    }
    req.Header.Add("Authorization", "Bearer YOUR_API_KEY")
    res, err := client.Do(req)
    if err != nil {
    fmt.Println(err)
    return
    }
    defer res.Body.Close()

    body, err := ioutil.ReadAll(res.Body)
    if err != nil {
    fmt.Println(err)
    return
    }
    fmt.Println(string(body))
}

import Foundation

let url = URL(string: "https://zylalabs.com/api/12735/e-invoice+error+checking+validation+api/24635/validate+nf-e+xml")!
var request = URLRequest(url: url)
request.httpMethod = "POST"
request.setValue("Bearer YOUR_API_KEY", forHTTPHeaderField: "Authorization")
request.httpBody = "

  
    
      
        35
        00000001
        VENDA
        55
        1
        1
        2026-05-19T10:00:00-03:00
        1
        1
        3550308
        1
        1
        0
        2
        1
        0
        1
        0
        1.0
      
      
        11222333000181
        EMPRESA TESTE LTDA
        
          RUA TESTE
          100
          CENTRO
          3550308
          SAO PAULO
          SP
          01000000
        
        123456789012
        3
      
      
        22333444000172
        CLIENTE TESTE LTDA
      
    
  
".data(using: .utf8)
request.setValue("application/json", forHTTPHeaderField: "Content-Type")

let task = URLSession.shared.dataTask(with: request) { data, _, error in
    if let error = error {
        print(error.localizedDescription)
        return
    }
    if let data = data {
        print(String(decoding: data, as: UTF8.self))
    }
}
task.resume()

import okhttp3.MediaType.Companion.toMediaType
import okhttp3.OkHttpClient
import okhttp3.Request
import okhttp3.RequestBody
import okhttp3.RequestBody.Companion.toRequestBody

fun main() {
    val client = OkHttpClient()
    var body: RequestBody? = null
    body = "

  
    
      
        35
        00000001
        VENDA
        55
        1
        1
        2026-05-19T10:00:00-03:00
        1
        1
        3550308
        1
        1
        0
        2
        1
        0
        1
        0
        1.0
      
      
        11222333000181
        EMPRESA TESTE LTDA
        
          RUA TESTE
          100
          CENTRO
          3550308
          SAO PAULO
          SP
          01000000
        
        123456789012
        3
      
      
        22333444000172
        CLIENTE TESTE LTDA
      
    
  
".toRequestBody("application/json".toMediaType())

    val requestBuilder = Request.Builder()
        .url("https://zylalabs.com/api/12735/e-invoice+error+checking+validation+api/24635/validate+nf-e+xml")
        .addHeader("Authorization", "Bearer YOUR_API_KEY")

    val request = requestBuilder.method("POST", body).build()

    client.newCall(request).execute().use { response ->
        println(response.body?.string())
    }
}

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

void main() async {
  var payload = '';
  payload = "

  
    
      
        35
        00000001
        VENDA
        55
        1
        1
        2026-05-19T10:00:00-03:00
        1
        1
        3550308
        1
        1
        0
        2
        1
        0
        1
        0
        1.0
      
      
        11222333000181
        EMPRESA TESTE LTDA
        
          RUA TESTE
          100
          CENTRO
          3550308
          SAO PAULO
          SP
          01000000
        
        123456789012
        3
      
      
        22333444000172
        CLIENTE TESTE LTDA
      
    
  
";

  final request = http.Request(
    "POST",
    Uri.parse("https://zylalabs.com/api/12735/e-invoice+error+checking+validation+api/24635/validate+nf-e+xml"),
  );
  request.headers['Authorization'] = 'Bearer YOUR_API_KEY';
  if (payload.isNotEmpty) {
    request.headers['Content-Type'] = 'application/json';
    request.body = payload;
  }

  final client = http.Client();
  final response = await client.send(request);
  print(await response.stream.bytesToString());
  client.close();
}

use reqwest::blocking::Client;
use reqwest::Method;
use std::error::Error;

fn main() -> Result<(), Box> {
    let method = Method::from_bytes(b"POST")?;
    let client = Client::new();
    let mut body = String::new();
    body = r#"

  
    
      
        35
        00000001
        VENDA
        55
        1
        1
        2026-05-19T10:00:00-03:00
        1
        1
        3550308
        1
        1
        0
        2
        1
        0
        1
        0
        1.0
      
      
        11222333000181
        EMPRESA TESTE LTDA
        
          RUA TESTE
          100
          CENTRO
          3550308
          SAO PAULO
          SP
          01000000
        
        123456789012
        3
      
      
        22333444000172
        CLIENTE TESTE LTDA
      
    
  
"#.to_string();

    let mut request = client
        .request(method, "https://zylalabs.com/api/12735/e-invoice+error+checking+validation+api/24635/validate+nf-e+xml")
        .header("Authorization", "Bearer YOUR_API_KEY");

    request = request.body(body.clone());

    let response = request.send()?;
    println!("{}", response.text()?);
    Ok(())
}