Flex offers a compliant, seamless way for e-commerce merchants to enable their customers to pay with their HSA/FSA cards or be reimbursed for purchases made out of pocket. Results from retailers using Flex show that integrating HSA/FSA payment methods can increase average order volume by 20% and revenue by 17%. The HSA/FSA market is a $150 billion opportunity and continues to grow. See how working with Flex can help grow your business. Email hello@withflex.com to get started.