Accept crypto. Keep every coin.

const res = await fetch(
  "https://app.dcogate.org/api/v1/stores/STORE_ID/invoices",
  {
    method: "POST",
    headers: {
      "Authorization": "token YOUR_API_KEY",
      "Content-Type": "application/json"
    },
    body: JSON.stringify({
      amount: "149.00",
      currency: "USD",
      metadata: { orderId: "A-10427" }
    })
  }
);

const invoice = await res.json();
redirect(invoice.checkoutLink);

// Verify the signature before trusting the payload
app.post("/webhooks/dcogate", (req, res) => {
  const signature = req.header("DCOGate-Sig");
  const expected = sign(req.rawBody, process.env.WEBHOOK_SECRET);

  if (signature !== expected) return res.sendStatus(400);

  if (req.body.type === "InvoiceSettled") {
    fulfilOrder(req.body.metadata.orderId);
  }

  res.sendStatus(200);
});

<form method="POST" action="https://app.dcogate.org/api/v1/invoices">
  <input type="hidden" name="storeId" value="STORE_ID" />
  <input type="hidden" name="price" value="24.00" />
  <input type="hidden" name="currency" value="USD" />
  <button type="submit">Pay with crypto</button>
</form>