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Spring Boot 3 API Versioning Guide

A skill that guides consistent REST API versioning strategies for Spring Boot 3 / Spring Framework 6.

Dev & CodingIntermediate★ 292⑂ 46AI score 7/10Last updated: Sep 21, 2026

What it does

  • Helps you pick one explicit versioning strategy — URL segments, a request header, or media-type parameters — and apply it consistently across Spring MVC or WebFlux APIs.
  • Prevents the common mistake of reaching for Boot 4's mapping version attribute, which does not exist in Boot 3.
  • Keeps version-specific DTOs and controllers thin, mapping every version onto the same application use case instead of duplicating domain logic.
  • Centralizes Deprecation, Sunset, and Link headers in response advice or a filter, and insists on OpenAPI docs plus contract tests for every supported version.

Who it's for

  • Java/Spring Boot 3 backend developers shipping a v2 API without breaking existing clients.
  • Teams whose controllers each use a different versioning approach and have become hard to maintain.
  • API/platform owners formalizing a deprecation and sunset policy for a public API.

Example uses

  1. "Add a v2 to our orders API" → get a /api/v1/orders vs /api/v2/orders layout with separate thin controllers.
  2. "URLs must stay stable, version by header instead" → resolve the header at the web boundary and route to versioned handlers, with no version branching inside services.
  3. "How do we announce that v1 retires in six months?" → centralized Deprecation/Sunset/Link headers plus a consistent error response for unsupported versions.

· · · Install guide · · ·

Try it now, no install

Paste this into Claude to use the skill without installing anything.

Read the instructions in this file and follow them to help me:
https://raw.githubusercontent.com/rrezartprebreza/spring-boot-skills/HEAD/skills/spring-boot-3/api-versioning/SKILL.md

What I want: (describe your task here)

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↓ If it works for you, download the ZIP below and install it. Then it runs on its own — no pasting each time.

Install in the Claude app (no terminal)
  1. Download the ZIP with the button below.
  2. In Claude, open Settings → Capabilities and turn on 'Code execution and file creation'. (one time)
  3. Go to Customize → Skills → + → 'Upload a skill' and upload the ZIP.
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Install in Claude Code

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Install the skill I found on Claude Skill Mart.
Copy the skills/spring-boot-3/api-versioning folder from the GitHub repo rrezartprebreza/spring-boot-skills into my ~/.claude/skills/api-versioning/.
When it's done, tell me in one line what this skill can do.

Install with a command instead

git clone https://github.com/rrezartprebreza/spring-boot-skills.git && mkdir -p ~/.claude/skills && cp -r spring-boot-skills/skills/spring-boot-3/api-versioning ~/.claude/skills/

⚠ This is a third-party skill. Check the source repository before installing.

  1. Open a terminal and clone the repo: git clone https://github.com/rrezartprebreza/spring-boot-skills.git
  2. Create the skills folder if needed: mkdir -p ~/.claude/skills
  3. Copy just this skill: cp -r spring-boot-skills/skills/spring-boot-3/api-versioning ~/.claude/skills/
  4. Verify with ls ~/.claude/skills/api-versioning that SKILL.md is present.
  5. Restart Claude Code, then ask something like "how should I add v2 to my Spring Boot 3 API?" to trigger the skill.
View source on GitHub ↗License: MIT