Key Takeaways RewardPay launches the world's first tax pooling payment system with American Express integration.Businesses in New Zealand can pay taxes via RewardPay and earn Membership Rewards Points or Airpoints.The move strengthens AXP's B2B presence, boosting transaction volumes and commercial card usage.American Express Company (AXP) is making a significant move in the B2B fintech arena as RewardPay launches the world’s first tax pooling payment system designed to reward businesses. This innovative app ...