Reimagining the Banking Core: APIs as the Digital Fabric of Transformation
summary
Demo moves money by face scan using five backend APIs — face detection API, face recognition API, payment API, UPI verification and account checks — and completes a live 5‑rupee transfer. Architecture hides DB2/mainframe z/OS systems behind an API layer with API gateways and consent management, external/internal gateways, sandbox and analytics. Open banking rollout shows growth from 9M to 15 million active users, 15M payments/month and 3.5M on the NatWest brand, claiming 99.9% API availability.
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chapters (12)
- 0:00Introduction
- 2:19Reimagining banking with APIs
- 4:04Legacy core challenges
- 6:59Why big-bang transformations fail
- 8:22Customer-first modernization
- 9:05APIs bridging legacy and innovation
- 11:32Modernization architecture
- 12:35API transformation building blocks
- 15:06Handling failures in hybrid systems
- 16:29NatWest’s API journey
- 19:45Open banking potential
- 20:27Developer portal & closing
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