Bermuda Commercial Bank RESTful Open Banking API Implementation (v1)

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// Get FX quote for converting 100 USD to EUR
const getFxQuote = async (unitCurrency, currencyOfTransfer, instructedAmount) => {
  try {
    const response = await fetch(
      'https://api.bcb.bm/v1/fx-quotes?' + 
      new URLSearchParams({
        unitCurrency: unitCurrency,
        currencyOfTransfer: currencyOfTransfer,
        instructedAmount: instructedAmount
      }), {
        method: 'GET',
        headers: {
          'Authorization': 'Bearer YOUR_ACCESS_TOKEN',
          'Content-Type': 'application/json',
          'Accept': 'application/json'
        }
    });

    // Check if the response is ok (status in the range 200-299)
    if (!response.ok) {
      // Parse error response
      const errorData = await response.json();
      throw new Error(`Error ${response.status}: ${errorData.error} - ${errorData.message}`);
    }

    // Parse successful response
    const quote = await response.json();
    
    // Log the complete quote details
    console.log('FX Quote Details:');
    console.log(`Source Currency: ${quote.sourceCurrency.currency}`);
    console.log(`Source Amount: ${quote.sourceCurrency.amount}`);
    console.log(`Target Currency: ${quote.targetCurrency.currency}`);
    console.log(`Target Amount: ${quote.targetCurrency.amount}`);
    console.log(`Exchange Rate: ${quote.exchangeRate}`);
    console.log(`Quote Expires: ${new Date(quote.expiryDateTime).toLocaleString()}`);

    // Return the processed quote
    return {
      ...quote,
      // Add formatted values for display
      formattedSourceAmount: new Intl.NumberFormat('en-US', {
        style: 'currency',
        currency: quote.sourceCurrency.currency
      }).format(quote.sourceCurrency.amount),
      formattedTargetAmount: new Intl.NumberFormat('en-US', {
        style: 'currency',
        currency: quote.targetCurrency.currency
      }).format(quote.targetCurrency.amount)
    };
  } catch (error) {
    // Handle different types of errors
    if (error.name === 'TypeError') {
      console.error('Network error:', error.message);
    } else {
      console.error('API error:', error.message);
    }
    throw error; // Re-throw to let caller handle it
  }
};
            
// Example usage with error handling:
try {
  const quote = await getFxQuote('USD', 'EUR', '100.00');
  console.log('Formatted Quote:', quote.formattedSourceAmount, '→', quote.formattedTargetAmount);
} catch (error) {
  console.error('Failed to get FX quote:', error.message);
}