Build with SwiftSwap

https://api.swiftswap.net/v1

const response = await fetch('https://api.swiftswap.net/v1/rate?from=BTC&to=ETH&amount=0.1', {
  headers: {
    'X-API-Key': 'your_api_key_here'
  }
});
const data = await response.json();
console.log(data);
// → { from: "BTC", to: "ETH", rate: 18.94, estimated: 1.894, fee: 0.01 }

curl -X GET "https://api.swiftswap.net/v1/rate?from=BTC&to=ETH&amount=1" \
  -H "X-API-Key: sk_live_xxxxxxxxxxxxxxxxxxxx" \
  -H "Content-Type: application/json"

X-RateLimit-Limit: 1000
X-RateLimit-Remaining: 947
X-RateLimit-Reset: 1704067200

{
  "error": {
    "code": "AMOUNT_TOO_LOW",
    "message": "Amount is below the minimum of 0.0001 BTC",
    "min_amount": 0.0001
  }
}

{
  "from": "BTC",
  "to": "ETH",
  "amount": 0.1,
  "rate": 18.94312,
  "estimated": 1.87843,
  "fee": 0.00943,
  "fee_pct": 0.4,
  "type": "float",
  "expires_at": null
}

{
  "pairs": [
    {
      "from": "BTC", "to": "ETH",
      "min": 0.0001, "max": 10,
      "available": true
    }
    // ... more pairs
  ],
  "total": 4892
}

const order = await fetch('https://api.swiftswap.net/v1/order', {
  method: 'POST',
  headers: {
    'X-API-Key': 'your_key',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    from: 'BTC', to: 'ETH', amount: 0.1,
    recipient: '0xYourEthAddress...',
    type: 'float'
  })
});
const { order_id, deposit_address, expires_at } = await order.json();

{
  "id": "ss_a1b2c3d4e5",
  "status": "confirming",
  // statuses: waiting | confirming | exchanging | sending | done | failed
  "from": "BTC", "to": "ETH",
  "amount_sent": 0.1,
  "amount_received": 1.8784,
  "deposit_address": "bc1qxy...",
  "tx_from": "abc123...",
  "tx_to": null,
  "created_at": "2026-03-08T12:00:00Z"
}

<!-- Add to your HTML -->
<div id="swiftswap-widget"></div>
<script src="https://cdn.swiftswap.net/widget.js"></script>
<script>
  SwiftSwap.init({
    container: '#swiftswap-widget',
    apiKey: 'your_api_key',
    defaultFrom: 'BTC',
    defaultTo: 'ETH',
    theme: 'dark'
  });
</script>