SAT API · Documentacion

# 1. Obten tu API key desde el Panel: https://panel.cfdi4.com/mi-cuenta

# 2. Haz una consulta de ejemplo:
curl -X POST https://api.cfdi4.com/api/v1/usuario/datos-fiscales \
  -H "User-Agent: MiApp/1.0" \
  -H "Authorization: Bearer sat_xxxxxxxxxxxxxxxxxxxx" \
  -H "Content-Type: application/json" \
  -d '{"rfc": "XAXX010101000"}'

import requests

API_KEY = "sat_xxxxxxxxxxxxxxxxxxxx"
API_BASE = "https://api.cfdi4.com/api/v1"

response = requests.post(
    f"{API_BASE}/usuario/datos-fiscales",
    headers={
        "Authorization": f"Bearer {API_KEY}",
        "User-Agent": "MiApp/1.0",
    },
    json={"rfc": "XAXX010101000"},
)
data = response.json()
print(data)

const API_KEY = "sat_xxxxxxxxxxxxxxxxxxxx";
const API_BASE = "https://api.cfdi4.com/api/v1";

const response = await fetch(`${API_BASE}/usuario/datos-fiscales`, {
    method: "POST",
    headers: {
        "Authorization": `Bearer ${API_KEY}`,
        "Content-Type": "application/json",
        "User-Agent": "MiApp/1.0",
    },
    body: JSON.stringify({ rfc: "XAXX010101000" }),
});
const data = await response.json();
console.log(data);

<?php
$api_key = "sat_xxxxxxxxxxxxxxxxxxxx";
$api_base = "https://api.cfdi4.com/api/v1";

$ch = curl_init("$api_base/usuario/datos-fiscales");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, [
    "Authorization: Bearer $api_key",
    "Content-Type: application/json",
    "User-Agent: MiApp/1.0",
]);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode(["rfc" => "XAXX010101000"]));
$data = json_decode(curl_exec($ch), true);
curl_close($ch);
print_r($data);

package main

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

func main() {
    apiKey := "sat_xxxxxxxxxxxxxxxxxxxx"
    payload := map[string]string{"rfc": "XAXX010101000"}
    body, _ := json.Marshal(payload)

    req, _ := http.NewRequest("POST",
        "https://api.cfdi4.com/api/v1/usuario/datos-fiscales",
        bytes.NewBuffer(body))
    req.Header.Set("Authorization", "Bearer "+apiKey)
    req.Header.Set("Content-Type", "application/json")
    req.Header.Set("User-Agent", "MiApp/1.0")

    resp, _ := http.DefaultClient.Do(req)
    defer resp.Body.Close()
    data, _ := io.ReadAll(resp.Body)
    fmt.Println(string(data))
}

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

class Program
{
    // Paquete: System.Net.Http (incluido en .NET 5+)
    // Si usas .NET Framework, instala Microsoft.Net.Http via NuGet.

    static async Task Main(string[] args)
    {
        const string apiKey = "sat_xxxxxxxxxxxxxxxxxxxx";
        const string apiBase = "https://api.cfdi4.com/api/v1";

        using var client = new HttpClient();
        client.DefaultRequestHeaders.Add("User-Agent", "MiApp/1.0");
        client.DefaultRequestHeaders.Add("Authorization", $"Bearer {apiKey}");

        var payload = new
        {
            rfc = "XAXX010101000"
        };
        var json = System.Text.Json.JsonSerializer.Serialize(payload);
        var content = new StringContent(json, Encoding.UTF8, "application/json");

        var response = await client.PostAsync($"{apiBase}/usuario/datos-fiscales", content);
        var data = await response.Content.ReadAsStringAsync();

        Console.WriteLine(data);
    }
}