Brex Mastercard® Corporate Credit Card — Emigrant Bank, Fifth Third Bank N.A., or Airwallex (Netherlands) B.V. is a business credit card from Emigrant Bank, Fifth Third Bank N.A., or Airwallex (Netherlands) B.V.. The annual fee is platform plans start at $0 per user per month; $12/user/month for advanced. Rewards: up to 7x back. Typical credit limit: based on revenue, amount raised, or cash balance. No personal guarantee is required.