One to millions - opportunities and challenges in scaling APIs.
summary
Covers concrete scaling wins and techniques: a Brazilian bank builds an instant payments (PIX) in 10 months, hitting 99.8% SLA, 15% monthly growth and 20‑minute deployments by moving to serverless + API Gateway + Lambda and API‑driven design; Access Bank runs ~10 million real‑time payments/day using auto‑scaling and Kubernetes; ClearScore reaches 99.9% SLI after a cloud/API rollout. Explains practical strategies — load balancing/stateless services, caching, microservices/strangler pattern, horizontal vs vertical scaling, async queues — and flags security risk (attacks ~every 39 seconds) and hidden cost of multiple gateways.
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chapters (13)
- 0:00Introduction
- 1:33What is an API
- 3:43API Market Size
- 4:24API Landscape Evolving
- 10:41What is API scaling
- 11:17Opportunities in scaling APIs
- 13:38Challenges in scaling APIs
- 18:33Scalability strategies
- 25:56Customer case study
- 29:09Access Bank
- 29:52Curved Card
- 30:59Best Practices
- 35:09Recap
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