api-designopenapi
📜 OpenAPI-Driven Development: Write the Contract, Then Fight About It
Code-first API design means your docs are always a little bit lying to you. Contract-first flips the order — the OpenAPI spec becomes the single source of truth, and everything else (server, client, mocks, tests) gets generated from it. Here's how that actually works day to day.
Jul 20, 2026
5 min read
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