Corrections for refunds

curl -X POST https://app.ksefshop.pl/v1/invoices/inv_4fJ2kP9xQwErTy7uI0oPaSdF/corrections \
  -H "Authorization: Bearer $KSEF_API_KEY" \
  -H "Idempotency-Key: refund-RF-1" \
  -H "Content-Type: application/json" \
  -d '{
  "refund": {
    "external_id": "RF-1",
    "reason": "Zwrot towaru",
    "lines": [
      {
        "name": "Kubek ceramiczny 350 ml",
        "sku": "KUB-350",
        "quantity": 1,
        "unit_price": "49.00",
        "vat_rate": "23"
      }
    ],
    "shipping": {
      "price": "15.99"
    }
  }
}'

<?php
$payload = [
    'refund' => [
        'external_id' => 'RF-1',
        'reason' => 'Zwrot towaru',
        'lines' => [
            [
                'name' => 'Kubek ceramiczny 350 ml',
                'sku' => 'KUB-350',
                'quantity' => 1,
                'unit_price' => '49.00',
                'vat_rate' => '23',
            ],
        ],
        'shipping' => ['price' => '15.99'],
    ],
];

$ch = curl_init('https://app.ksefshop.pl/v1/invoices/inv_4fJ2kP9xQwErTy7uI0oPaSdF/corrections');
curl_setopt_array($ch, [
    CURLOPT_CUSTOMREQUEST => 'POST',
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => [
        'Authorization: Bearer ' . getenv('KSEF_API_KEY'),
        'Idempotency-Key: refund-RF-1',
        'Content-Type: application/json',
    ],
    CURLOPT_POSTFIELDS => json_encode($payload, JSON_UNESCAPED_UNICODE),
]);
$body = curl_exec($ch);
$status = curl_getinfo($ch, CURLINFO_RESPONSE_CODE);
curl_close($ch);

$data = json_decode($body, true);
if ($status >= 400) {
    throw new RuntimeException($data['error']['code'] . ': ' . $data['error']['message']);
}
echo var_export($data['id'], true), ' ', var_export($data['status'], true), PHP_EOL;

const res = await fetch("https://app.ksefshop.pl/v1/invoices/inv_4fJ2kP9xQwErTy7uI0oPaSdF/corrections", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.KSEF_API_KEY}`,
    "Idempotency-Key": "refund-RF-1",
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    refund: {
      external_id: "RF-1",
      reason: "Zwrot towaru",
      lines: [
        {
          name: "Kubek ceramiczny 350 ml",
          sku: "KUB-350",
          quantity: 1,
          unit_price: "49.00",
          vat_rate: "23",
        },
      ],
      shipping: { price: "15.99" },
    },
  }),
});
const data = await res.json();
if (!res.ok) throw new Error(`${data.error.code}: ${data.error.message}`);
console.log(data.id, data.status);

import os
import requests

resp = requests.post(
    "https://app.ksefshop.pl/v1/invoices/inv_4fJ2kP9xQwErTy7uI0oPaSdF/corrections",
    headers={
        "Authorization": f"Bearer {os.environ['KSEF_API_KEY']}",
        "Idempotency-Key": "refund-RF-1",
    },
    json={
        "refund": {
            "external_id": "RF-1",
            "reason": "Zwrot towaru",
            "lines": [
                {
                    "name": "Kubek ceramiczny 350 ml",
                    "sku": "KUB-350",
                    "quantity": 1,
                    "unit_price": "49.00",
                    "vat_rate": "23",
                },
            ],
            "shipping": {"price": "15.99"},
        },
    },
    timeout=30,
)
data = resp.json()
if not resp.ok:
    raise RuntimeError(f"{data['error']['code']}: {data['error']['message']}")
print(data["id"], data["status"])