import MoneiSDK, { MoneiError } from 'monei-sdk';

try {
  const tx = await monei.payout.bankTransfer({ ... });
} catch (err) {
  if (err instanceof MoneiError) {
    console.error(err.statusCode);  // HTTP status code
    console.error(err.message);     // Human-readable error
    console.error(err.code);        // Machine-readable error code
  }
}