curl --request GET \
  --url https://api.openfiskal.com/v1/receipts/{receiptId}/pdf \
  --header 'Authorization: Bearer <token>' \
  --header 'X-OpenFiskal-Merchant: <x-openfiskal-merchant>'

import requests

url = "https://api.openfiskal.com/v1/receipts/{receiptId}/pdf"

headers = {
    "X-OpenFiskal-Merchant": "<x-openfiskal-merchant>",
    "Authorization": "Bearer <token>"
}

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

print(response.text)

const options = {
  method: 'GET',
  headers: {
    'X-OpenFiskal-Merchant': '<x-openfiskal-merchant>',
    Authorization: 'Bearer <token>'
  }
};

fetch('https://api.openfiskal.com/v1/receipts/{receiptId}/pdf', 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.openfiskal.com/v1/receipts/{receiptId}/pdf",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "X-OpenFiskal-Merchant: <x-openfiskal-merchant>"
  ],
]);

$response = curl_exec($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.openfiskal.com/v1/receipts/{receiptId}/pdf"

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

	req.Header.Add("X-OpenFiskal-Merchant", "<x-openfiskal-merchant>")
	req.Header.Add("Authorization", "Bearer <token>")

	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.openfiskal.com/v1/receipts/{receiptId}/pdf")
  .header("X-OpenFiskal-Merchant", "<x-openfiskal-merchant>")
  .header("Authorization", "Bearer <token>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.openfiskal.com/v1/receipts/{receiptId}/pdf")

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

request = Net::HTTP::Get.new(url)
request["X-OpenFiskal-Merchant"] = '<x-openfiskal-merchant>'
request["Authorization"] = 'Bearer <token>'

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

"<string>"

{
  "code": "<string>",
  "message": "<string>",
  "retryable": true,
  "request_id": "<string>",
  "details": {}
}

{
  "code": "<string>",
  "message": "<string>",
  "retryable": true,
  "request_id": "<string>",
  "details": {}
}

{
  "code": "<string>",
  "message": "<string>",
  "retryable": true,
  "request_id": "<string>",
  "details": {}
}

{
  "code": "<string>",
  "message": "<string>",
  "retryable": true,
  "request_id": "<string>",
  "details": {}
}