API Evolution
summary
Live demo shows a face-scan payment flow that ties together five APIs (registration, UPI capture/validation, face detection, identity-to-UPI mapping, payment) and succeeds in making UPI transfers, illustrating end-to-end integration and error handling for same‑account payments. NatWest reports 155 million API calls/month, 7 million open‑banking users and 11 million payments/month; product work includes a carbon calculator API, login‑with‑bank and Bank‑as‑a‑Service features and measurable reuse.
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chapters (8)
- 0:00Introduction
- 4:48APIs in customer journeys
- 8:21NatWest Bank APIs overview
- 12:57From delivery to API culture
- 15:51Open banking to open finance
- 17:38Open banking success
- 20:50Partnerships and variable recurring payments
- 23:02APIs resources and conclusion
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