curl --request GET \
  --url https://api.emissa.com.ar/v1/invoices/{id} \
  --header 'X-API-Key: <api-key>'

import requests

url = "https://api.emissa.com.ar/v1/invoices/{id}"

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.emissa.com.ar/v1/invoices/{id}', 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.emissa.com.ar/v1/invoices/{id}",
  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.emissa.com.ar/v1/invoices/{id}"

	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.emissa.com.ar/v1/invoices/{id}")
  .header("X-API-Key", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.emissa.com.ar/v1/invoices/{id}")

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

{
  "id": "cmt42xaaj000turi4uvmjb298",
  "taxpayerId": "cmt42x6jb000curi4sz1gyeij",
  "environment": "HOMOLOGACION",
  "origin": "API",
  "externalReference": null,
  "cbteTipo": 1,
  "cbteTipoNombre": "FACTURA_A",
  "letra": "A",
  "concepto": 1,
  "conceptoNombre": "PRODUCTOS",
  "salePoint": 1,
  "number": 1,
  "comprobante": "0001-00000001",
  "issueDate": "2026-08-22",
  "emitter": {
    "cuit": "20000000001",
    "name": "Estudio Contable SRL",
    "vatStatus": "Responsable Inscripto",
    "address": "Av. Corrientes 1234, CABA",
    "grossIncomeTax": "901-123456-01",
    "activityStartDate": "2020-03-01"
  },
  "receiver": {
    "docTipo": 80,
    "docTipoNombre": "CUIT",
    "docNro": "30000000007",
    "name": "Cliente Mayorista SA",
    "vatConditionId": 1,
    "vatConditionNombre": "IVA_RESPONSABLE_INSCRIPTO",
    "address": null
  },
  "currency": "PES",
  "exchangeRate": "1",
  "totals": {
    "netAmount": "1000.00",
    "nonTaxedAmount": "0.00",
    "exemptAmount": "0.00",
    "vatAmount": "210.00",
    "otherTaxesAmount": "0.00",
    "totalAmount": "1210.00"
  },
  "vatBreakdown": [
    {
      "vatRateId": 5,
      "vatRatePercent": 21,
      "baseAmount": "1000.00",
      "vatAmount": "210.00"
    }
  ],
  "taxes": [],
  "saleCondition": null,
  "saleConditionNombre": null,
  "servicePeriod": null,
  "status": "AUTHORIZED",
  "cae": "70001000000001",
  "caeExpiresAt": "2026-09-01",
  "cancelledByInvoiceId": null,
  "associations": [],
  "optionals": [],
  "observations": [],
  "rechazoArca": null,
  "items": [
    {
      "position": 1,
      "description": "Servicio de consultoría",
      "unit": "UNIDADES",
      "quantity": "1",
      "unitPrice": "1000",
      "tratamiento": "GRAVADO",
      "vatRateId": 5,
      "vatRatePercent": 21,
      "netAmount": "1000.00",
      "vatAmount": "210.00"
    }
  ],
  "customer": {
    "id": "cmt42x8pf000ruri4bt2gjtai",
    "documentType": "CUIT",
    "documentNumber": "30000000007",
    "name": "Cliente Mayorista SA",
    "vatCondition": "IVA_RESPONSABLE_INSCRIPTO"
  },
  "arcaMetadata": {
    "service": "wsfev1",
    "resultado": "A",
    "authorized": true,
    "observaciones": 0
  },
  "createdAt": "2026-08-22T07:51:14.780Z"
}

{
  "statusCode": 401,
  "errorCode": "UNAUTHORIZED",
  "message": "No autorizado",
  "timestamp": "2026-07-26T18:30:00.000Z",
  "path": "/v1/invoices/authorize",
  "details": "<string>",
  "retryable": false,
  "retryAfterSeconds": 43200,
  "requestId": "0f2c1a5e-1d9b-4c7a-9a55-7f1a2b3c4d5e"
}

{
  "statusCode": 401,
  "errorCode": "UNAUTHORIZED",
  "message": "No autorizado",
  "timestamp": "2026-07-26T18:30:00.000Z",
  "path": "/v1/invoices/authorize",
  "details": "<string>",
  "retryable": false,
  "retryAfterSeconds": 43200,
  "requestId": "0f2c1a5e-1d9b-4c7a-9a55-7f1a2b3c4d5e"
}

{
  "statusCode": 401,
  "errorCode": "UNAUTHORIZED",
  "message": "No autorizado",
  "timestamp": "2026-07-26T18:30:00.000Z",
  "path": "/v1/invoices/authorize",
  "details": "<string>",
  "retryable": false,
  "retryAfterSeconds": 43200,
  "requestId": "0f2c1a5e-1d9b-4c7a-9a55-7f1a2b3c4d5e"
}

{
  "statusCode": 401,
  "errorCode": "UNAUTHORIZED",
  "message": "No autorizado",
  "timestamp": "2026-07-26T18:30:00.000Z",
  "path": "/v1/invoices/authorize",
  "details": "<string>",
  "retryable": false,
  "retryAfterSeconds": 43200,
  "requestId": "0f2c1a5e-1d9b-4c7a-9a55-7f1a2b3c4d5e"
}

{
  "statusCode": 401,
  "errorCode": "UNAUTHORIZED",
  "message": "No autorizado",
  "timestamp": "2026-07-26T18:30:00.000Z",
  "path": "/v1/invoices/authorize",
  "details": "<string>",
  "retryable": false,
  "retryAfterSeconds": 43200,
  "requestId": "0f2c1a5e-1d9b-4c7a-9a55-7f1a2b3c4d5e"
}

{
  "statusCode": 401,
  "errorCode": "UNAUTHORIZED",
  "message": "No autorizado",
  "timestamp": "2026-07-26T18:30:00.000Z",
  "path": "/v1/invoices/authorize",
  "details": "<string>",
  "retryable": false,
  "retryAfterSeconds": 43200,
  "requestId": "0f2c1a5e-1d9b-4c7a-9a55-7f1a2b3c4d5e"
}