Error Codes

{
  "error": {
    "code": "invalid_request",
    "message": "The amount field is required",
    "param": "amount",
    "doc_url": "https://vexutopia.com/docs/errors#invalid_request"
  }
}

async function createPayment(amount, currency) {
  const response = await fetch('https://api.vexutopia.com/v1/payments', {
    method: 'POST',
    headers: {
      'Authorization': 'Bearer vex_test_your_api_key',
      'Content-Type': 'application/json'
    },
    body: JSON.stringify({ amount, currency })
  });

  const data = await response.json();

  if (!response.ok) {
    // Handle the error based on the code
    switch (data.error.code) {
      case 'invalid_api_key':
        throw new Error('Check your API key configuration');
      case 'invalid_parameter':
        throw new Error(`Invalid ${data.error.param}: ${data.error.message}`);
      case 'payment_failed':
        throw new Error('Payment was declined, try a different method');
      case 'rate_limit_exceeded':
        // Wait and retry
        await new Promise(r => setTimeout(r, 1000));
        return createPayment(amount, currency);
      default:
        throw new Error(data.error.message);
    }
  }

  return data;
}