"Building Elegant API Contracts: From Zero to Hero"

on YouTube ↗27m

" summary

Shows that writing an OpenAPI/Swagger YAML as the single source of truth produces a concrete contract for a three‑route talks API (list, get by ID, post) that can generate mock responses and tighten unit tests, reducing integration bugs and dev cost. Demonstrates serving the spec via FastAPI auto-docs or generating JSON from Flask with apispec, and using a Postman mock server to validate responses before writing backend code.

AI-written summary · about

" chapters (7)

1. 0:00Introduction
2. 1:10Agenda
3. 2:24What is API
4. 3:44Principles of API
5. 9:52API Contracts
6. 14:41Path Objects
7. 23:33Fast API

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