JSON API Versioning: Strategies That Keep Clients Happy
JSON API versioning strategies: URI versioning, header versioning, and field deprecation patterns that keep existing clients working.
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Tags: json, api, developer-tools
JSON API Versioning: Strategies That Keep Clients Happy An API without versioning is a trap. The first time you need to change a response field, rename an endpoint, or restructure a nested object, you're faced with a choice: break existing clients or freeze the API forever. Versioning is the mechanism that lets you evolve your API without those consequences. The best versioning strategy depends on how your API is consumed, who controls the clients, and how much coordination overhead you can absorb. None of the strategies are universally correct — but all of them are better than no versioning at all. URI Versioning (/v1/, /v2/) URI versioning puts the version number directly in the URL path. It's the most visible, most cache-friendly, and most widely understood approach: V1 response: V2…
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