Exchange

// Convert crypto to fiat in quantum wallet
const response = await fetch(
  'https://api.hoppa.global/api/v2/transfers/crypto-to-quantum-transfer',
  {
    method: 'POST',
    headers: {
      'x-api-key': 'YOUR_API_KEY',
      'Content-Type': 'application/json'
    },
    body: JSON.stringify({
      UserId: '{userId}',
      sourceCurrency: 'USDC',
      amount: 100,
      destinationCurrency: 'USD'
    })
  }
);

// Response
{
  "Success": true,
  "Details": {
    "SourceCurrency": "USDC",
    "DestinationCurrency": "USD",
    "Amount": 100,
    "Status": "completed",
    "RequiresExchange": true,
    "ExchangeRate": 1.0001
  }
}

// Get user's crypto deposit addresses
const response = await fetch(
  'https://api.hoppa.global/api/v2/users/{userId}/crypto-addresses',
  {
    method: 'GET',
    headers: {
      'x-api-key': 'YOUR_API_KEY'
    }
  }
);

// Response
{
  "UserId": 1,
  "Addresses": [
    {
      "Address": "0x1a2b...3c4d",
      "Currency": "USDC",
      "Chain": "Ethereum",
      "Network": "ERC-20",
      "IsActive": true,
      "CreatedAt": "2026-04-09T12:00:00Z"
    },
    {
      "Address": "T1a2b...3c4d",
      "Currency": "USDC",
      "Chain": "Tron",
      "Network": "TRC-20",
      "IsActive": true,
      "CreatedAt": "2026-04-09T12:00:00Z"
    }
  ]
}