The most realistic
paper trading API

// Place a realistic market order
const API_KEY = 'your_api_key';

const response = await fetch('/api/oms/orders', {
  method: 'POST',
  headers: {
    'X-API-Key': API_KEY,
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    customerId: '550e8400-e29b-41d4-a716-446655440000',
    portfolioId: '660e8400-e29b-41d4-a716-446655440001',
    assetClass: 'EQUITY',
    symbol: 'AAPL',
    side: 'BUY_TO_OPEN',
    quantity: 100,
    type: 'MARKET',
    timeInForce: 'DAY',
    latencyProfile: 'COLOCATED'
  })
});

const order = await response.json();
console.log('Filled at: $' + order.averageFilledPrice);
console.log('Slippage: ' + order.executionQuality?.averageSlippagePercent + '%');