curl --request GET \
  --url https://api.syntage.com/tax-retentions/{id}/cfdi \
  --header 'X-API-Key: <api-key>'

import requests

url = "https://api.syntage.com/tax-retentions/{id}/cfdi"

headers = {"X-API-Key": "<api-key>"}

response = requests.get(url, headers=headers)

print(response.text)

const options = {method: 'GET', headers: {'X-API-Key': '<api-key>'}};

fetch('https://api.syntage.com/tax-retentions/{id}/cfdi', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.syntage.com/tax-retentions/{id}/cfdi",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "X-API-Key: <api-key>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

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

func main() {

	url := "https://api.syntage.com/tax-retentions/{id}/cfdi"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("X-API-Key", "<api-key>")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://api.syntage.com/tax-retentions/{id}/cfdi")
  .header("X-API-Key", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.syntage.com/tax-retentions/{id}/cfdi")

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

request = Net::HTTP::Get.new(url)
request["X-API-Key"] = '<api-key>'

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

{
  "Version": 1,
  "Folio": 6787763004,
  "Sello": "pd77md8+...wiMlMQ==",
  "NumCert": 1000000502192402,
  "Cert": "MIIGTDCC...rOSkAn8=",
  "FechaExp": "2019-01-03T21:10:40",
  "CveRetenc": "26",
  "Emisor": {
    "RFCEmisor": "AOM920820BEA",
    "NomDenRazSocE": "APPLE OPERATIONS MEXICO S.A. DE C.V."
  },
  "Receptor": {
    "Nacionalidad": "Nacional",
    "Nacional": {
      "RFCRecep": "PEIC211118IS0",
      "NomDenRazSocR": "Pedro Infante Cruz"
    }
  },
  "Periodo": {
    "MesIni": 4,
    "MesFin": 4,
    "Ejerc": 2020
  },
  "Totales": {
    "MontoTotOperacion": 59.78,
    "MontoTotGrav": 59.78,
    "MontoTotExent": 0,
    "MontoTotRet": 6.56,
    "ImpRetenidos": [
      {
        "BaseRet\"": 59.78,
        "Impuesto\"": "02",
        "MontoRet\"": 4.77,
        "TipoPagoRet\"": "Pago definitivo"
      },
      {
        "BaseRet\"": 59.78,
        "Impuesto\"": "01",
        "MontoRet\"": 1.79,
        "TipoPagoRet\"": "Pago definitivo"
      }
    ]
  },
  "Complemento": {
    "TimbreFiscalDigital": {
      "Version": 1,
      "UUID": "e0a24894-7fbf-48ae-bfb0-efaae30a6319",
      "FechaTimbrado": "2019-01-03T23:10:40",
      "SelloCFD": "pd77md8+...wiMlMQ==",
      "NoCertificadoSAT": 1000000514965721,
      "SelloSAT": "R9TebKU2...q7lDgA=="
    }
  }
}

{
  "message": "<string>"
}

{
  "message": "<string>"
}