חברו את האתר שלכם לחשבוניות SLK ב-5 דקות.

export SLK_API_KEY="<your sandbox API key>"
TODAY=$(date +%F)

curl -X POST "https://invoice.slk.co.il/api/billing/v1/create-document" \
  -H "X-Api-Key: $SLK_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "apiIdentifier": "order-1001",
    "document": {
      "docType": 3,
      "customerName": "סטודיו אור בע״מ",
      "subject": "הזמנה 1001 מהאתר",
      "taxIncluded": true,
      "vatBp": 1800,
      "issueDate": "'$TODAY'",
      "lines": [{ "name": "ספל קרמיקה", "quantityMilli": 2000, "unitPriceAgorot": 8900 }],
      "payments": [{ "paymentType": 1, "amountAgorot": 17800, "date": "'$TODAY'" }]
    }
  }'

// Node 18+ — no dependencies
const today = new Date().toISOString().slice(0, 10);

const res = await fetch("https://invoice.slk.co.il/api/billing/v1/create-document", {
  method: "POST",
  headers: { "X-Api-Key": process.env.SLK_API_KEY, "Content-Type": "application/json" },
  body: JSON.stringify({
    apiIdentifier: "order-1001", // same id = same document, retries are safe
    document: {
      docType: 3, // tax invoice + receipt
      customerName: "סטודיו אור בע״מ",
      subject: "הזמנה 1001 מהאתר",
      taxIncluded: true,
      vatBp: 1800, // 18%
      issueDate: today,
      lines: [{ name: "ספל קרמיקה", quantityMilli: 2000, unitPriceAgorot: 8900 }],
      payments: [{ paymentType: 1, amountAgorot: 17800, date: today }],
    },
  }),
});
console.log(await res.json());

<?php
$today = date('Y-m-d');
$ch = curl_init('https://invoice.slk.co.il/api/billing/v1/create-document');
curl_setopt_array($ch, [
  CURLOPT_POST => true,
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_HTTPHEADER => ['X-Api-Key: ' . getenv('SLK_API_KEY'), 'Content-Type: application/json'],
  CURLOPT_POSTFIELDS => json_encode([
    'apiIdentifier' => 'order-1001',
    'document' => [
      'docType' => 3,
      'customerName' => 'סטודיו אור בע״מ',
      'subject' => 'הזמנה 1001 מהאתר',
      'taxIncluded' => true,
      'vatBp' => 1800,
      'issueDate' => $today,
      'lines' => [['name' => 'ספל קרמיקה', 'quantityMilli' => 2000, 'unitPriceAgorot' => 8900]],
      'payments' => [['paymentType' => 1, 'amountAgorot' => 17800, 'date' => $today]],
    ],
  ], JSON_UNESCAPED_UNICODE),
]);
echo curl_exec($ch);