PSD2 challenges for open API economy. Key PSD2 milestones are March 14, 2019 for sandbox testing and September 14, 2019 for production. PSD2 requires solutions for intelligent counter fraud, customer consent management, TPP registration and identification, fallback mechanisms, and standards-based open banking APIs. IBS Bulgaria provides solutions like the IBM integration portfolio, DataPower gateway, Safer Payments platform, and a PSD2 open API portal to help banks meet these PSD2 requirements.