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Latest / Tech Leadership with Fexingo: Engineering Managers, CTOs, and Technical Leadership Conversations

How a CTO Uses the Amazon API Mandate to Enforce Internal Standards

In this episode, Lucas and Luna examine the Amazon API mandate from the early 2000s — the internal memo that forced all teams to communicate only through service interfaces. They break down how that edict created the conditions for AWS, what it means for a CTO enforcing internal standards today, and why the mandate's hidden cost was slowing down single-team features. Lucas contrasts Amazon's approach with how a modern CTO at a mid-sized SaaS company applied a similar 'API-first' rule to untangle a monolith, including the specific metrics they tracked: deployment frequency went from weekly to…

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