Faktury

curl -sS -X GET "${ALLEE_API_URL:-https://api.allee.pl}/order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices" \
  -H "Authorization: Bearer $ALLEE_API_KEY" \
  -H "Accept: application/vnd.allegro.public.v1+json" \
  -w '\nHTTP %{http_code}\n'

<?php
// allee API: GET /order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices (PHP 8, rozszerzenie curl)
$base = getenv('ALLEE_API_URL') ?: 'https://api.allee.pl';
$ch = curl_init($base . '/order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices');
curl_setopt_array($ch, [
    CURLOPT_CUSTOMREQUEST => 'GET',
    CURLOPT_HTTPHEADER => [
        'Authorization: Bearer ' . getenv('ALLEE_API_KEY'),
        'Accept: application/vnd.allegro.public.v1+json',
    ],
    CURLOPT_RETURNTRANSFER => true,
]);
$odp = curl_exec($ch);
echo 'HTTP ', curl_getinfo($ch, CURLINFO_RESPONSE_CODE), "\n", $odp, "\n";

# allee API: GET /order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices (Python 3, biblioteka requests)
import os

import requests

BASE = os.environ.get("ALLEE_API_URL", "https://api.allee.pl")
headers = {
    "Authorization": "Bearer " + os.environ["ALLEE_API_KEY"],
    "Accept": "application/vnd.allegro.public.v1+json",
}
r = requests.request("GET", BASE + "/order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices", headers=headers, timeout=60, allow_redirects=False)
print("HTTP", r.status_code)
print(r.text)

// allee API: GET /order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices (Node.js 18+, wbudowany fetch; plik .mjs)
const BASE = process.env.ALLEE_API_URL ?? "https://api.allee.pl";
const res = await fetch(`${BASE}/order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices`, {
  method: "GET",
  headers: {
    Authorization: `Bearer ${process.env.ALLEE_API_KEY}`,
    "Accept": "application/vnd.allegro.public.v1+json",
  },
  redirect: "manual",
});
console.log("HTTP", res.status);
console.log(await res.text());

// allee API: GET /order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices (C#, .NET 8+, HttpClient)
using System.Net.Http.Headers;
using System.Text;

var baseUrl = Environment.GetEnvironmentVariable("ALLEE_API_URL") ?? "https://api.allee.pl";
using var http = new HttpClient(new HttpClientHandler { AllowAutoRedirect = false });
using var req = new HttpRequestMessage(new HttpMethod("GET"), baseUrl + "/order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices");
req.Headers.Authorization = new AuthenticationHeaderValue("Bearer", Environment.GetEnvironmentVariable("ALLEE_API_KEY"));
req.Headers.Accept.ParseAdd("application/vnd.allegro.public.v1+json");
using var res = await http.SendAsync(req);
Console.WriteLine($"HTTP {(int)res.StatusCode}");
Console.WriteLine(await res.Content.ReadAsStringAsync());

// allee API: GET /order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices (Java 11+, java.net.http; uruchom: java Main.java)
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;

public class Main {
    public static void main(String[] args) throws Exception {
        String base = System.getenv().getOrDefault("ALLEE_API_URL", "https://api.allee.pl");
        HttpRequest req = HttpRequest.newBuilder(URI.create(base + "/order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices"))
                .header("Authorization", "Bearer " + System.getenv("ALLEE_API_KEY"))
                .header("Accept", "application/vnd.allegro.public.v1+json")
                .method("GET", HttpRequest.BodyPublishers.noBody())
                .build();
        HttpClient http = HttpClient.newBuilder().version(HttpClient.Version.HTTP_1_1).build();
        HttpResponse<String> res = http.send(req, HttpResponse.BodyHandlers.ofString());
        System.out.println("HTTP " + res.statusCode());
        System.out.println(res.body());
    }
}

// allee API: GET /order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices (Go 1.20+, net/http; uruchom: go run main.go)
package main

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

func main() {
	base := os.Getenv("ALLEE_API_URL")
	if base == "" {
		base = "https://api.allee.pl"
	}
	req, err := http.NewRequest("GET", base+"/order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices", nil)
	if err != nil {
		panic(err)
	}
	req.Header.Set("Authorization", "Bearer "+os.Getenv("ALLEE_API_KEY"))
	req.Header.Set("Accept", "application/vnd.allegro.public.v1+json")
	klient := &http.Client{CheckRedirect: func(*http.Request, []*http.Request) error { return http.ErrUseLastResponse }}
	res, err := klient.Do(req)
	if err != nil {
		panic(err)
	}
	defer res.Body.Close()
	dane, err := io.ReadAll(res.Body)
	if err != nil {
		panic(err)
	}
	fmt.Println("HTTP", res.StatusCode)
	fmt.Println(string(dane))
}

curl -sS -X POST "${ALLEE_API_URL:-https://api.allee.pl}/order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices" \
  -H "Authorization: Bearer $ALLEE_API_KEY" \
  -H "Accept: application/vnd.allegro.public.v1+json" \
  -H "Content-Type: application/vnd.allegro.public.v1+json" \
  --data-binary @- \
  -w '\nHTTP %{http_code}\n' <<'JSON'
{
  "file": {
    "name": "FV-1-11-2026.pdf"
  },
  "invoiceNumber": "FV/1/11/2026"
}
JSON

<?php
// allee API: POST /order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices (PHP 8, rozszerzenie curl)
$base = getenv('ALLEE_API_URL') ?: 'https://api.allee.pl';
$body = [
    'file' => [
        'name' => 'FV-1-11-2026.pdf',
    ],
    'invoiceNumber' => 'FV/1/11/2026',
];
$ch = curl_init($base . '/order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices');
curl_setopt_array($ch, [
    CURLOPT_CUSTOMREQUEST => 'POST',
    CURLOPT_HTTPHEADER => [
        'Authorization: Bearer ' . getenv('ALLEE_API_KEY'),
        'Accept: application/vnd.allegro.public.v1+json',
        'Content-Type: application/vnd.allegro.public.v1+json',
    ],
    CURLOPT_POSTFIELDS => json_encode($body, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES),
    CURLOPT_RETURNTRANSFER => true,
]);
$odp = curl_exec($ch);
echo 'HTTP ', curl_getinfo($ch, CURLINFO_RESPONSE_CODE), "\n", $odp, "\n";

# allee API: POST /order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices (Python 3, biblioteka requests)
import os

import requests

BASE = os.environ.get("ALLEE_API_URL", "https://api.allee.pl")
headers = {
    "Authorization": "Bearer " + os.environ["ALLEE_API_KEY"],
    "Accept": "application/vnd.allegro.public.v1+json",
    "Content-Type": "application/vnd.allegro.public.v1+json",
}
body = {
    "file": {
        "name": "FV-1-11-2026.pdf",
    },
    "invoiceNumber": "FV/1/11/2026",
}
r = requests.request("POST", BASE + "/order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices", headers=headers, json=body, timeout=60, allow_redirects=False)
print("HTTP", r.status_code)
print(r.text)

// allee API: POST /order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices (Node.js 18+, wbudowany fetch; plik .mjs)
const BASE = process.env.ALLEE_API_URL ?? "https://api.allee.pl";
const body = {
  "file": {
    "name": "FV-1-11-2026.pdf"
  },
  "invoiceNumber": "FV/1/11/2026"
};
const res = await fetch(`${BASE}/order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices`, {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.ALLEE_API_KEY}`,
    "Accept": "application/vnd.allegro.public.v1+json",
    "Content-Type": "application/vnd.allegro.public.v1+json",
  },
  body: JSON.stringify(body),
  redirect: "manual",
});
console.log("HTTP", res.status);
console.log(await res.text());

// allee API: POST /order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices (C#, .NET 8+, HttpClient)
using System.Net.Http.Headers;
using System.Text;

var baseUrl = Environment.GetEnvironmentVariable("ALLEE_API_URL") ?? "https://api.allee.pl";
using var http = new HttpClient(new HttpClientHandler { AllowAutoRedirect = false });
using var req = new HttpRequestMessage(new HttpMethod("POST"), baseUrl + "/order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices");
req.Headers.Authorization = new AuthenticationHeaderValue("Bearer", Environment.GetEnvironmentVariable("ALLEE_API_KEY"));
req.Headers.Accept.ParseAdd("application/vnd.allegro.public.v1+json");
var json = """
{
  "file": {
    "name": "FV-1-11-2026.pdf"
  },
  "invoiceNumber": "FV/1/11/2026"
}
""";
req.Content = new StringContent(json, Encoding.UTF8);
req.Content.Headers.ContentType = new MediaTypeHeaderValue("application/vnd.allegro.public.v1+json");
using var res = await http.SendAsync(req);
Console.WriteLine($"HTTP {(int)res.StatusCode}");
Console.WriteLine(await res.Content.ReadAsStringAsync());

// allee API: POST /order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices (Java 11+, java.net.http; uruchom: java Main.java)
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;

public class Main {
    public static void main(String[] args) throws Exception {
        String base = System.getenv().getOrDefault("ALLEE_API_URL", "https://api.allee.pl");
        String body = """
        {
          "file": {
            "name": "FV-1-11-2026.pdf"
          },
          "invoiceNumber": "FV/1/11/2026"
        }
        """;
        HttpRequest req = HttpRequest.newBuilder(URI.create(base + "/order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices"))
                .header("Authorization", "Bearer " + System.getenv("ALLEE_API_KEY"))
                .header("Accept", "application/vnd.allegro.public.v1+json")
                .header("Content-Type", "application/vnd.allegro.public.v1+json")
                .method("POST", HttpRequest.BodyPublishers.ofString(body))
                .build();
        HttpClient http = HttpClient.newBuilder().version(HttpClient.Version.HTTP_1_1).build();
        HttpResponse<String> res = http.send(req, HttpResponse.BodyHandlers.ofString());
        System.out.println("HTTP " + res.statusCode());
        System.out.println(res.body());
    }
}

// allee API: POST /order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices (Go 1.20+, net/http; uruchom: go run main.go)
package main

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

func main() {
	base := os.Getenv("ALLEE_API_URL")
	if base == "" {
		base = "https://api.allee.pl"
	}
	body := `{
  "file": {
    "name": "FV-1-11-2026.pdf"
  },
  "invoiceNumber": "FV/1/11/2026"
}`
	req, err := http.NewRequest("POST", base+"/order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices", strings.NewReader(body))
	if err != nil {
		panic(err)
	}
	req.Header.Set("Authorization", "Bearer "+os.Getenv("ALLEE_API_KEY"))
	req.Header.Set("Accept", "application/vnd.allegro.public.v1+json")
	req.Header.Set("Content-Type", "application/vnd.allegro.public.v1+json")
	klient := &http.Client{CheckRedirect: func(*http.Request, []*http.Request) error { return http.ErrUseLastResponse }}
	res, err := klient.Do(req)
	if err != nil {
		panic(err)
	}
	defer res.Body.Close()
	dane, err := io.ReadAll(res.Body)
	if err != nil {
		panic(err)
	}
	fmt.Println("HTTP", res.StatusCode)
	fmt.Println(string(dane))
}

curl -sS -X PUT "${ALLEE_API_URL:-https://api.allee.pl}/order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices/5551b5a7-3e2e-4cba-b80d-d34fd7e286ae/file" \
  -H "Authorization: Bearer $ALLEE_API_KEY" \
  -H "Accept: application/vnd.allegro.public.v1+json" \
  -H "Content-Type: application/pdf" \
  --data-binary @faktura.pdf \
  -w '\nHTTP %{http_code}\n'

<?php
// allee API: PUT /order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices/5551b5a7-3e2e-4cba-b80d-d34fd7e286ae/file (PHP 8, rozszerzenie curl)
$base = getenv('ALLEE_API_URL') ?: 'https://api.allee.pl';
$ch = curl_init($base . '/order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices/5551b5a7-3e2e-4cba-b80d-d34fd7e286ae/file');
curl_setopt_array($ch, [
    CURLOPT_CUSTOMREQUEST => 'PUT',
    CURLOPT_HTTPHEADER => [
        'Authorization: Bearer ' . getenv('ALLEE_API_KEY'),
        'Accept: application/vnd.allegro.public.v1+json',
        'Content-Type: application/pdf',
    ],
    CURLOPT_POSTFIELDS => file_get_contents('faktura.pdf'),
    CURLOPT_RETURNTRANSFER => true,
]);
$odp = curl_exec($ch);
echo 'HTTP ', curl_getinfo($ch, CURLINFO_RESPONSE_CODE), "\n", $odp, "\n";

# allee API: PUT /order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices/5551b5a7-3e2e-4cba-b80d-d34fd7e286ae/file (Python 3, biblioteka requests)
import os

import requests

BASE = os.environ.get("ALLEE_API_URL", "https://api.allee.pl")
headers = {
    "Authorization": "Bearer " + os.environ["ALLEE_API_KEY"],
    "Accept": "application/vnd.allegro.public.v1+json",
    "Content-Type": "application/pdf",
}
with open("faktura.pdf", "rb") as f:
    plik = f.read()
r = requests.request("PUT", BASE + "/order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices/5551b5a7-3e2e-4cba-b80d-d34fd7e286ae/file", headers=headers, data=plik, timeout=60, allow_redirects=False)
print("HTTP", r.status_code)
print(r.text)

// allee API: PUT /order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices/5551b5a7-3e2e-4cba-b80d-d34fd7e286ae/file (Node.js 18+, wbudowany fetch; plik .mjs)
import { readFile, writeFile } from "node:fs/promises";

const BASE = process.env.ALLEE_API_URL ?? "https://api.allee.pl";
const res = await fetch(`${BASE}/order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices/5551b5a7-3e2e-4cba-b80d-d34fd7e286ae/file`, {
  method: "PUT",
  headers: {
    Authorization: `Bearer ${process.env.ALLEE_API_KEY}`,
    "Accept": "application/vnd.allegro.public.v1+json",
    "Content-Type": "application/pdf",
  },
  body: await readFile("faktura.pdf"),
  redirect: "manual",
});
console.log("HTTP", res.status);
console.log(await res.text());

// allee API: PUT /order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices/5551b5a7-3e2e-4cba-b80d-d34fd7e286ae/file (C#, .NET 8+, HttpClient)
using System.Net.Http.Headers;
using System.Text;

var baseUrl = Environment.GetEnvironmentVariable("ALLEE_API_URL") ?? "https://api.allee.pl";
using var http = new HttpClient(new HttpClientHandler { AllowAutoRedirect = false });
using var req = new HttpRequestMessage(new HttpMethod("PUT"), baseUrl + "/order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices/5551b5a7-3e2e-4cba-b80d-d34fd7e286ae/file");
req.Headers.Authorization = new AuthenticationHeaderValue("Bearer", Environment.GetEnvironmentVariable("ALLEE_API_KEY"));
req.Headers.Accept.ParseAdd("application/vnd.allegro.public.v1+json");
req.Content = new ByteArrayContent(File.ReadAllBytes("faktura.pdf"));
req.Content.Headers.ContentType = new MediaTypeHeaderValue("application/pdf");
using var res = await http.SendAsync(req);
Console.WriteLine($"HTTP {(int)res.StatusCode}");
Console.WriteLine(await res.Content.ReadAsStringAsync());

// allee API: PUT /order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices/5551b5a7-3e2e-4cba-b80d-d34fd7e286ae/file (Java 11+, java.net.http; uruchom: java Main.java)
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.nio.file.Path;

public class Main {
    public static void main(String[] args) throws Exception {
        String base = System.getenv().getOrDefault("ALLEE_API_URL", "https://api.allee.pl");
        HttpRequest req = HttpRequest.newBuilder(URI.create(base + "/order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices/5551b5a7-3e2e-4cba-b80d-d34fd7e286ae/file"))
                .header("Authorization", "Bearer " + System.getenv("ALLEE_API_KEY"))
                .header("Accept", "application/vnd.allegro.public.v1+json")
                .header("Content-Type", "application/pdf")
                .method("PUT", HttpRequest.BodyPublishers.ofFile(Path.of("faktura.pdf")))
                .build();
        HttpClient http = HttpClient.newBuilder().version(HttpClient.Version.HTTP_1_1).build();
        HttpResponse<String> res = http.send(req, HttpResponse.BodyHandlers.ofString());
        System.out.println("HTTP " + res.statusCode());
        System.out.println(res.body());
    }
}

// allee API: PUT /order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices/5551b5a7-3e2e-4cba-b80d-d34fd7e286ae/file (Go 1.20+, net/http; uruchom: go run main.go)
package main

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

func main() {
	base := os.Getenv("ALLEE_API_URL")
	if base == "" {
		base = "https://api.allee.pl"
	}
	plik, err := os.ReadFile("faktura.pdf")
	if err != nil {
		panic(err)
	}
	req, err := http.NewRequest("PUT", base+"/order/checkout-forms/432810d0-4d26-4f39-ba5f-b89def4d4f92/invoices/5551b5a7-3e2e-4cba-b80d-d34fd7e286ae/file", bytes.NewReader(plik))
	if err != nil {
		panic(err)
	}
	req.Header.Set("Authorization", "Bearer "+os.Getenv("ALLEE_API_KEY"))
	req.Header.Set("Accept", "application/vnd.allegro.public.v1+json")
	req.Header.Set("Content-Type", "application/pdf")
	klient := &http.Client{CheckRedirect: func(*http.Request, []*http.Request) error { return http.ErrUseLastResponse }}
	res, err := klient.Do(req)
	if err != nil {
		panic(err)
	}
	defer res.Body.Close()
	dane, err := io.ReadAll(res.Body)
	if err != nil {
		panic(err)
	}
	fmt.Println("HTTP", res.StatusCode)
	fmt.Println(string(dane))
}

curl -sS -X POST "${ALLEE_API_URL:-https://api.allee.pl}/order/432810d0-4d26-4f39-ba5f-b89def4d4f92/billing-documents/files?invoiceNumber=FK%2F1%2F11%2F2026" \
  -H "Authorization: Bearer $ALLEE_API_KEY" \
  -H "Accept: application/vnd.allegro.public.v1+json" \
  -H "Content-Type: application/pdf" \
  --data-binary @faktura.pdf \
  -w '\nHTTP %{http_code}\n'

<?php
// allee API: POST /order/432810d0-4d26-4f39-ba5f-b89def4d4f92/billing-documents/files (PHP 8, rozszerzenie curl)
$base = getenv('ALLEE_API_URL') ?: 'https://api.allee.pl';
$ch = curl_init($base . '/order/432810d0-4d26-4f39-ba5f-b89def4d4f92/billing-documents/files?invoiceNumber=FK%2F1%2F11%2F2026');
curl_setopt_array($ch, [
    CURLOPT_CUSTOMREQUEST => 'POST',
    CURLOPT_HTTPHEADER => [
        'Authorization: Bearer ' . getenv('ALLEE_API_KEY'),
        'Accept: application/vnd.allegro.public.v1+json',
        'Content-Type: application/pdf',
    ],
    CURLOPT_POSTFIELDS => file_get_contents('faktura.pdf'),
    CURLOPT_RETURNTRANSFER => true,
]);
$odp = curl_exec($ch);
echo 'HTTP ', curl_getinfo($ch, CURLINFO_RESPONSE_CODE), "\n", $odp, "\n";

# allee API: POST /order/432810d0-4d26-4f39-ba5f-b89def4d4f92/billing-documents/files (Python 3, biblioteka requests)
import os

import requests

BASE = os.environ.get("ALLEE_API_URL", "https://api.allee.pl")
headers = {
    "Authorization": "Bearer " + os.environ["ALLEE_API_KEY"],
    "Accept": "application/vnd.allegro.public.v1+json",
    "Content-Type": "application/pdf",
}
with open("faktura.pdf", "rb") as f:
    plik = f.read()
r = requests.request("POST", BASE + "/order/432810d0-4d26-4f39-ba5f-b89def4d4f92/billing-documents/files?invoiceNumber=FK%2F1%2F11%2F2026", headers=headers, data=plik, timeout=60, allow_redirects=False)
print("HTTP", r.status_code)
print(r.text)

// allee API: POST /order/432810d0-4d26-4f39-ba5f-b89def4d4f92/billing-documents/files (Node.js 18+, wbudowany fetch; plik .mjs)
import { readFile, writeFile } from "node:fs/promises";

const BASE = process.env.ALLEE_API_URL ?? "https://api.allee.pl";
const res = await fetch(`${BASE}/order/432810d0-4d26-4f39-ba5f-b89def4d4f92/billing-documents/files?invoiceNumber=FK%2F1%2F11%2F2026`, {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.ALLEE_API_KEY}`,
    "Accept": "application/vnd.allegro.public.v1+json",
    "Content-Type": "application/pdf",
  },
  body: await readFile("faktura.pdf"),
  redirect: "manual",
});
console.log("HTTP", res.status);
console.log(await res.text());

// allee API: POST /order/432810d0-4d26-4f39-ba5f-b89def4d4f92/billing-documents/files (C#, .NET 8+, HttpClient)
using System.Net.Http.Headers;
using System.Text;

var baseUrl = Environment.GetEnvironmentVariable("ALLEE_API_URL") ?? "https://api.allee.pl";
using var http = new HttpClient(new HttpClientHandler { AllowAutoRedirect = false });
using var req = new HttpRequestMessage(new HttpMethod("POST"), baseUrl + "/order/432810d0-4d26-4f39-ba5f-b89def4d4f92/billing-documents/files?invoiceNumber=FK%2F1%2F11%2F2026");
req.Headers.Authorization = new AuthenticationHeaderValue("Bearer", Environment.GetEnvironmentVariable("ALLEE_API_KEY"));
req.Headers.Accept.ParseAdd("application/vnd.allegro.public.v1+json");
req.Content = new ByteArrayContent(File.ReadAllBytes("faktura.pdf"));
req.Content.Headers.ContentType = new MediaTypeHeaderValue("application/pdf");
using var res = await http.SendAsync(req);
Console.WriteLine($"HTTP {(int)res.StatusCode}");
Console.WriteLine(await res.Content.ReadAsStringAsync());

// allee API: POST /order/432810d0-4d26-4f39-ba5f-b89def4d4f92/billing-documents/files (Java 11+, java.net.http; uruchom: java Main.java)
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.nio.file.Path;

public class Main {
    public static void main(String[] args) throws Exception {
        String base = System.getenv().getOrDefault("ALLEE_API_URL", "https://api.allee.pl");
        HttpRequest req = HttpRequest.newBuilder(URI.create(base + "/order/432810d0-4d26-4f39-ba5f-b89def4d4f92/billing-documents/files?invoiceNumber=FK%2F1%2F11%2F2026"))
                .header("Authorization", "Bearer " + System.getenv("ALLEE_API_KEY"))
                .header("Accept", "application/vnd.allegro.public.v1+json")
                .header("Content-Type", "application/pdf")
                .method("POST", HttpRequest.BodyPublishers.ofFile(Path.of("faktura.pdf")))
                .build();
        HttpClient http = HttpClient.newBuilder().version(HttpClient.Version.HTTP_1_1).build();
        HttpResponse<String> res = http.send(req, HttpResponse.BodyHandlers.ofString());
        System.out.println("HTTP " + res.statusCode());
        System.out.println(res.body());
    }
}

// allee API: POST /order/432810d0-4d26-4f39-ba5f-b89def4d4f92/billing-documents/files (Go 1.20+, net/http; uruchom: go run main.go)
package main

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

func main() {
	base := os.Getenv("ALLEE_API_URL")
	if base == "" {
		base = "https://api.allee.pl"
	}
	plik, err := os.ReadFile("faktura.pdf")
	if err != nil {
		panic(err)
	}
	req, err := http.NewRequest("POST", base+"/order/432810d0-4d26-4f39-ba5f-b89def4d4f92/billing-documents/files?invoiceNumber=FK%2F1%2F11%2F2026", bytes.NewReader(plik))
	if err != nil {
		panic(err)
	}
	req.Header.Set("Authorization", "Bearer "+os.Getenv("ALLEE_API_KEY"))
	req.Header.Set("Accept", "application/vnd.allegro.public.v1+json")
	req.Header.Set("Content-Type", "application/pdf")
	klient := &http.Client{CheckRedirect: func(*http.Request, []*http.Request) error { return http.ErrUseLastResponse }}
	res, err := klient.Do(req)
	if err != nil {
		panic(err)
	}
	defer res.Body.Close()
	dane, err := io.ReadAll(res.Body)
	if err != nil {
		panic(err)
	}
	fmt.Println("HTTP", res.StatusCode)
	fmt.Println(string(dane))
}

curl -sS -X POST "${ALLEE_API_URL:-https://api.allee.pl}/order/432810d0-4d26-4f39-ba5f-b89def4d4f92/billing-documents/links" \
  -H "Authorization: Bearer $ALLEE_API_KEY" \
  -H "Accept: application/vnd.allegro.public.v1+json" \
  -H "Content-Type: application/vnd.allegro.public.v1+json" \
  --data-binary @- \
  -w '\nHTTP %{http_code}\n' <<'JSON'
{
  "url": "https://faktury.example.com/fv/2-11-2026",
  "invoiceNumber": "FV/2/11/2026"
}
JSON

<?php
// allee API: POST /order/432810d0-4d26-4f39-ba5f-b89def4d4f92/billing-documents/links (PHP 8, rozszerzenie curl)
$base = getenv('ALLEE_API_URL') ?: 'https://api.allee.pl';
$body = [
    'url' => 'https://faktury.example.com/fv/2-11-2026',
    'invoiceNumber' => 'FV/2/11/2026',
];
$ch = curl_init($base . '/order/432810d0-4d26-4f39-ba5f-b89def4d4f92/billing-documents/links');
curl_setopt_array($ch, [
    CURLOPT_CUSTOMREQUEST => 'POST',
    CURLOPT_HTTPHEADER => [
        'Authorization: Bearer ' . getenv('ALLEE_API_KEY'),
        'Accept: application/vnd.allegro.public.v1+json',
        'Content-Type: application/vnd.allegro.public.v1+json',
    ],
    CURLOPT_POSTFIELDS => json_encode($body, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES),
    CURLOPT_RETURNTRANSFER => true,
]);
$odp = curl_exec($ch);
echo 'HTTP ', curl_getinfo($ch, CURLINFO_RESPONSE_CODE), "\n", $odp, "\n";

# allee API: POST /order/432810d0-4d26-4f39-ba5f-b89def4d4f92/billing-documents/links (Python 3, biblioteka requests)
import os

import requests

BASE = os.environ.get("ALLEE_API_URL", "https://api.allee.pl")
headers = {
    "Authorization": "Bearer " + os.environ["ALLEE_API_KEY"],
    "Accept": "application/vnd.allegro.public.v1+json",
    "Content-Type": "application/vnd.allegro.public.v1+json",
}
body = {
    "url": "https://faktury.example.com/fv/2-11-2026",
    "invoiceNumber": "FV/2/11/2026",
}
r = requests.request("POST", BASE + "/order/432810d0-4d26-4f39-ba5f-b89def4d4f92/billing-documents/links", headers=headers, json=body, timeout=60, allow_redirects=False)
print("HTTP", r.status_code)
print(r.text)

// allee API: POST /order/432810d0-4d26-4f39-ba5f-b89def4d4f92/billing-documents/links (Node.js 18+, wbudowany fetch; plik .mjs)
const BASE = process.env.ALLEE_API_URL ?? "https://api.allee.pl";
const body = {
  "url": "https://faktury.example.com/fv/2-11-2026",
  "invoiceNumber": "FV/2/11/2026"
};
const res = await fetch(`${BASE}/order/432810d0-4d26-4f39-ba5f-b89def4d4f92/billing-documents/links`, {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.ALLEE_API_KEY}`,
    "Accept": "application/vnd.allegro.public.v1+json",
    "Content-Type": "application/vnd.allegro.public.v1+json",
  },
  body: JSON.stringify(body),
  redirect: "manual",
});
console.log("HTTP", res.status);
console.log(await res.text());

// allee API: POST /order/432810d0-4d26-4f39-ba5f-b89def4d4f92/billing-documents/links (C#, .NET 8+, HttpClient)
using System.Net.Http.Headers;
using System.Text;

var baseUrl = Environment.GetEnvironmentVariable("ALLEE_API_URL") ?? "https://api.allee.pl";
using var http = new HttpClient(new HttpClientHandler { AllowAutoRedirect = false });
using var req = new HttpRequestMessage(new HttpMethod("POST"), baseUrl + "/order/432810d0-4d26-4f39-ba5f-b89def4d4f92/billing-documents/links");
req.Headers.Authorization = new AuthenticationHeaderValue("Bearer", Environment.GetEnvironmentVariable("ALLEE_API_KEY"));
req.Headers.Accept.ParseAdd("application/vnd.allegro.public.v1+json");
var json = """
{
  "url": "https://faktury.example.com/fv/2-11-2026",
  "invoiceNumber": "FV/2/11/2026"
}
""";
req.Content = new StringContent(json, Encoding.UTF8);
req.Content.Headers.ContentType = new MediaTypeHeaderValue("application/vnd.allegro.public.v1+json");
using var res = await http.SendAsync(req);
Console.WriteLine($"HTTP {(int)res.StatusCode}");
Console.WriteLine(await res.Content.ReadAsStringAsync());

// allee API: POST /order/432810d0-4d26-4f39-ba5f-b89def4d4f92/billing-documents/links (Java 11+, java.net.http; uruchom: java Main.java)
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;

public class Main {
    public static void main(String[] args) throws Exception {
        String base = System.getenv().getOrDefault("ALLEE_API_URL", "https://api.allee.pl");
        String body = """
        {
          "url": "https://faktury.example.com/fv/2-11-2026",
          "invoiceNumber": "FV/2/11/2026"
        }
        """;
        HttpRequest req = HttpRequest.newBuilder(URI.create(base + "/order/432810d0-4d26-4f39-ba5f-b89def4d4f92/billing-documents/links"))
                .header("Authorization", "Bearer " + System.getenv("ALLEE_API_KEY"))
                .header("Accept", "application/vnd.allegro.public.v1+json")
                .header("Content-Type", "application/vnd.allegro.public.v1+json")
                .method("POST", HttpRequest.BodyPublishers.ofString(body))
                .build();
        HttpClient http = HttpClient.newBuilder().version(HttpClient.Version.HTTP_1_1).build();
        HttpResponse<String> res = http.send(req, HttpResponse.BodyHandlers.ofString());
        System.out.println("HTTP " + res.statusCode());
        System.out.println(res.body());
    }
}

// allee API: POST /order/432810d0-4d26-4f39-ba5f-b89def4d4f92/billing-documents/links (Go 1.20+, net/http; uruchom: go run main.go)
package main

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

func main() {
	base := os.Getenv("ALLEE_API_URL")
	if base == "" {
		base = "https://api.allee.pl"
	}
	body := `{
  "url": "https://faktury.example.com/fv/2-11-2026",
  "invoiceNumber": "FV/2/11/2026"
}`
	req, err := http.NewRequest("POST", base+"/order/432810d0-4d26-4f39-ba5f-b89def4d4f92/billing-documents/links", strings.NewReader(body))
	if err != nil {
		panic(err)
	}
	req.Header.Set("Authorization", "Bearer "+os.Getenv("ALLEE_API_KEY"))
	req.Header.Set("Accept", "application/vnd.allegro.public.v1+json")
	req.Header.Set("Content-Type", "application/vnd.allegro.public.v1+json")
	klient := &http.Client{CheckRedirect: func(*http.Request, []*http.Request) error { return http.ErrUseLastResponse }}
	res, err := klient.Do(req)
	if err != nil {
		panic(err)
	}
	defer res.Body.Close()
	dane, err := io.ReadAll(res.Body)
	if err != nil {
		panic(err)
	}
	fmt.Println("HTTP", res.StatusCode)
	fmt.Println(string(dane))
}

curl -sS -X GET "${ALLEE_API_URL:-https://api.allee.pl}/allee/billing-documents/5551b5a7-3e2e-4cba-b80d-d34fd7e286ae/file?expires=1794309305&mode=test&signature=…" \
  -H "Accept: application/pdf" \
  -o pobrana-faktura.pdf -w 'HTTP %{http_code}\n'

<?php
// allee API: GET /allee/billing-documents/5551b5a7-3e2e-4cba-b80d-d34fd7e286ae/file (PHP 8, rozszerzenie curl)
$base = getenv('ALLEE_API_URL') ?: 'https://api.allee.pl';
$ch = curl_init($base . '/allee/billing-documents/5551b5a7-3e2e-4cba-b80d-d34fd7e286ae/file?expires=1794309305&mode=test&signature=…');
curl_setopt_array($ch, [
    CURLOPT_CUSTOMREQUEST => 'GET',
    CURLOPT_HTTPHEADER => [
        'Accept: application/pdf',
    ],
    CURLOPT_RETURNTRANSFER => true,
]);
$odp = curl_exec($ch);
$kod = curl_getinfo($ch, CURLINFO_RESPONSE_CODE);
if ($kod === 200) file_put_contents('pobrana-faktura.pdf', $odp);
echo 'HTTP ', $kod, "\n";

# allee API: GET /allee/billing-documents/5551b5a7-3e2e-4cba-b80d-d34fd7e286ae/file (Python 3, biblioteka requests)
import os

import requests

BASE = os.environ.get("ALLEE_API_URL", "https://api.allee.pl")
headers = {
    "Accept": "application/pdf",
}
r = requests.request("GET", BASE + "/allee/billing-documents/5551b5a7-3e2e-4cba-b80d-d34fd7e286ae/file?expires=1794309305&mode=test&signature=…", headers=headers, timeout=60, allow_redirects=False)
if r.status_code == 200:
    with open("pobrana-faktura.pdf", "wb") as f:
        f.write(r.content)
print("HTTP", r.status_code)

// allee API: GET /allee/billing-documents/5551b5a7-3e2e-4cba-b80d-d34fd7e286ae/file (Node.js 18+, wbudowany fetch; plik .mjs)
import { readFile, writeFile } from "node:fs/promises";

const BASE = process.env.ALLEE_API_URL ?? "https://api.allee.pl";
const res = await fetch(`${BASE}/allee/billing-documents/5551b5a7-3e2e-4cba-b80d-d34fd7e286ae/file?expires=1794309305&mode=test&signature=…`, {
  method: "GET",
  headers: {
    "Accept": "application/pdf",
  },
  redirect: "manual",
});
if (res.status === 200) await writeFile("pobrana-faktura.pdf", Buffer.from(await res.arrayBuffer()));
console.log("HTTP", res.status);

// allee API: GET /allee/billing-documents/5551b5a7-3e2e-4cba-b80d-d34fd7e286ae/file (C#, .NET 8+, HttpClient)
using System.Net.Http.Headers;
using System.Text;

var baseUrl = Environment.GetEnvironmentVariable("ALLEE_API_URL") ?? "https://api.allee.pl";
using var http = new HttpClient(new HttpClientHandler { AllowAutoRedirect = false });
using var req = new HttpRequestMessage(new HttpMethod("GET"), baseUrl + "/allee/billing-documents/5551b5a7-3e2e-4cba-b80d-d34fd7e286ae/file?expires=1794309305&mode=test&signature=…");
req.Headers.Accept.ParseAdd("application/pdf");
using var res = await http.SendAsync(req);
if ((int)res.StatusCode == 200) File.WriteAllBytes("pobrana-faktura.pdf", await res.Content.ReadAsByteArrayAsync());
Console.WriteLine($"HTTP {(int)res.StatusCode}");

// allee API: GET /allee/billing-documents/5551b5a7-3e2e-4cba-b80d-d34fd7e286ae/file (Java 11+, java.net.http; uruchom: java Main.java)
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.nio.file.Path;

public class Main {
    public static void main(String[] args) throws Exception {
        String base = System.getenv().getOrDefault("ALLEE_API_URL", "https://api.allee.pl");
        HttpRequest req = HttpRequest.newBuilder(URI.create(base + "/allee/billing-documents/5551b5a7-3e2e-4cba-b80d-d34fd7e286ae/file?expires=1794309305&mode=test&signature=…"))
                .header("Accept", "application/pdf")
                .method("GET", HttpRequest.BodyPublishers.noBody())
                .build();
        HttpClient http = HttpClient.newBuilder().version(HttpClient.Version.HTTP_1_1).build();
        HttpResponse<Path> res = http.send(req, HttpResponse.BodyHandlers.ofFile(Path.of("pobrana-faktura.pdf")));
        System.out.println("HTTP " + res.statusCode());
    }
}

// allee API: GET /allee/billing-documents/5551b5a7-3e2e-4cba-b80d-d34fd7e286ae/file (Go 1.20+, net/http; uruchom: go run main.go)
package main

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

func main() {
	base := os.Getenv("ALLEE_API_URL")
	if base == "" {
		base = "https://api.allee.pl"
	}
	req, err := http.NewRequest("GET", base+"/allee/billing-documents/5551b5a7-3e2e-4cba-b80d-d34fd7e286ae/file?expires=1794309305&mode=test&signature=…", nil)
	if err != nil {
		panic(err)
	}
	req.Header.Set("Accept", "application/pdf")
	klient := &http.Client{CheckRedirect: func(*http.Request, []*http.Request) error { return http.ErrUseLastResponse }}
	res, err := klient.Do(req)
	if err != nil {
		panic(err)
	}
	defer res.Body.Close()
	if res.StatusCode == 200 {
		f, err := os.Create("pobrana-faktura.pdf")
		if err != nil {
			panic(err)
		}
		defer f.Close()
		if _, err := f.ReadFrom(res.Body); err != nil {
			panic(err)
		}
	}
	fmt.Println("HTTP", res.StatusCode)
}