#API Design

Articles tagged with API Design. Practical engineering insights for production systems.

4 articles on this page

2026-05-20 4 min read

From REST to MCP: Redesigning APIs for the Agentic Era

MCP crossed 97M monthly SDK downloads. Learn how to redesign REST APIs for agentic clients—tool schemas, resource discovery, and contracts that work for humans and AI agents alike.

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2026-05-15 3 min read

Open Banking API Design: Building FinTech Integrations That Banks and Partners Trust

Open banking and financial API integrations demand strict contracts, OAuth flows, and idempotent money APIs. A system design guide for PSD2, account aggregation, and embedded finance.

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2026-04-14 4 min read

API Design Mistakes That Kill Scale (and How to Fix Them)

API Design & Architecture mistakes that break evolution: unclear contracts, missing failure modes, and performance-unaware endpoints. Fix it with production-grade design.

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2024-04-16 3 min read

API Versioning is Hard: How to Evolve Production Systems Without Breaking Clients

Learn how to manage API evolution in high-growth environments. We explore URI versioning, Header versioning, and how to use the Strangler pattern for safe deprecation.

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