Api Versioning Strategy

Community

secondsky

api-versioning-strategy

Implements API versioning using URL paths, headers, or query parameters with backward compatibility and deprecation strategies. Use when managing multiple API versions, planning breaking changes, or designing migration paths.

Overview

Publisher	secondsky
Repository	`claude-skills`
Skill name	`api-versioning-strategy`
Stars	219
Forks	31
Bundled files	Instructions only
License	MIT
Links	Skill source Repository

Markdown instructions
A SKILL.md file the model loads on demand, so it only costs tokens when a request actually matches.
Works with any LLM
AI skills are plain Markdown, not provider-specific code, so this works with GPT, Claude, Gemini, Grok, or a local model.
Self-contained
Everything the model needs lives in the instructions — no extra files to sync.
Open source
Published by secondsky on GitHub. Read the source before you install it.

Installation

Install the Api Versioning Strategy AI skill in TypingMind to use it with any LLM, or drop it into another agent that reads SKILL.md.

Install in TypingMind

TypingMind installs a skill straight from its GitHub folder — it reads SKILL.md, bundles the resource files, and stores the result locally.

Open the app and go to Plugins → Skills.
Choose "Install from GitHub".
Paste the skill folder URL below and confirm.
Enable the skill in any chat where you want it available.

Store

Installed

Skills

Add skills

Import one or more skills from a public GitHub folder or a local .skill or .zip archive, or SKILL.md file.

From GitHub URLFrom .skill, .zip, or SKILL.md

GitHub repo or folder

https://github.com/secondsky/claude-skills/tree/main/plugins/api-versioning-strategy/skills/api-versioning-strategy

Points to a single skill folder, or any folder that contains multiple skills. Public repos only.

CancelContinue

Plugins → Skills → Add skill → From GitHub URL, then paste the folder URL and press Continue.

Install in another agent

Any agent that reads the Agent Skills format can use this skill — copy the folder into that agent's skills directory.

Claude Code — .claude/skills

git clone --depth 1 https://github.com/secondsky/claude-skills.git /tmp/claude-skills
mkdir -p .claude/skills
cp -r /tmp/claude-skills/plugins/api-versioning-strategy/skills/api-versioning-strategy .claude/skills/api-versioning-strategy

Restart Claude Code after copying so it picks up the new skill.

Use it in TypingMind

Enable Api Versioning Strategy in any TypingMind chat and the model takes it from there. Its name and description sit in the system prompt, and the moment a request matches, the model loads the full instructions itself — you never invoke it by hand, and it costs no tokens until it is actually used.

The model loads Api Versioning Strategy on its own as soon as a request matches it.

Works with any AI model

AI skills are plain Markdown instructions rather than provider-specific code, so Api Versioning Strategy is not tied to the model it was written for. Install it once in TypingMind and use it with GPT-5, Claude, Gemini, Grok, DeepSeek, Mistral, Llama, or a local model you run yourself — all on your own API keys.

Loaded only when it is needed
The system prompt carries just the name and description. The instructions are fetched on the first matching request, so an idle skill costs nothing.
Switch models mid-chat
Because the skill is instructions rather than code, changing model does not break it — the next model reads the same SKILL.md.

Skill instructions

This is the SKILL.md content the model loads. Read it before installing — a skill is instructions your model will follow.

API Versioning Strategy

Choose and implement API versioning approaches with proper deprecation timelines.

Versioning Methods

Method	Example	Pros	Cons
URL Path	`/api/v1/users`	Clear, cache-friendly	URL clutter
Header	`API-Version: 1`	Clean URLs	Hidden, harder to test
Query	`?version=1`	Easy to use	Not RESTful

URL Path Versioning (Recommended)

javascript
const v1Router = require('./routes/v1');
const v2Router = require('./routes/v2');

app.use('/api/v1', v1Router);
app.use('/api/v2', v2Router);

Version Adapter Pattern

javascript
// Transform between versions
const v1ToV2 = (v1Response) => ({
  data: {
    type: 'user',
    id: v1Response.user_id,
    attributes: {
      name: v1Response.user_name,
      email: v1Response.email
    }
  }
});

Deprecation Headers

javascript
app.use('/api/v1', (req, res, next) => {
  res.setHeader('Deprecation', 'true');
  res.setHeader('Sunset', 'Sat, 01 Jun 2025 00:00:00 GMT');
  res.setHeader('Link', '</api/v2>; rel="successor-version"');
  next();
});

Safe vs Breaking Changes

Safe Changes (no version bump):

Adding optional fields
Adding new endpoints
Adding optional parameters

Breaking Changes (requires new version):

Removing fields
Changing field types
Restructuring responses
Removing endpoints

Deprecation Timeline

Phase	Duration	Actions
Deprecated	3 months	Add headers, docs
Sunset Announced	3 months	Email users
Read-Only	1 month	Disable writes
Shutdown	-	Return 410 Gone

Best Practices

Support N-1 versions minimum
Provide 6+ months migration window
Include migration guides with code examples
Monitor version usage to inform deprecation

Frequently asked questions

What does the Api Versioning Strategy AI skill do?

Why use Api Versioning Strategy on TypingMind?

Because you install it once and use it with any model. Api Versioning Strategy is plain Markdown rather than provider-specific code, so the same skill runs on GPT-5, Claude, Gemini, Grok, or a local model — and you can switch model mid-chat without it breaking. TypingMind runs on your own API keys, so you pay providers directly instead of a per-seat subscription, and your skills and chats stay in your own storage.

How do I install Api Versioning Strategy in TypingMind?

Open Plugins → Skills → Install from GitHub in TypingMind and paste https://github.com/secondsky/claude-skills/tree/main/plugins/api-versioning-strategy/skills/api-versioning-strategy. TypingMind reads its SKILL.md and installs it as a skill you can enable per chat.

Which AI models can use Api Versioning Strategy?

Any model you connect in TypingMind. AI skills are plain Markdown instructions rather than provider-specific code, so GPT, Claude, Gemini, Grok, and local models can all load this skill when a request matches it.

How many AI models can I use with Api Versioning Strategy?

As many as you like. As long as a model supports skills, you can use Api Versioning Strategy with it — GPT, Claude, Gemini, Grok, DeepSeek, Mistral, Llama and more — all on TypingMind with your own API keys.

Is the Api Versioning Strategy AI skill free?

Yes. It is published on GitHub by secondsky under the MIT license. You only pay your own AI provider for the tokens you use.

What are AI skills?

An AI skill is a reusable instruction bundle that teaches an AI model how to do one specific task. It follows the open Agent Skills format: a SKILL.md file with a name and description, plus any scripts, templates or reference files the model may need. The model reads the instructions only when your request matches the skill, so an installed skill costs nothing until it is used.

How are AI skills different from plugins or MCP servers?

A plugin or MCP server gives a model new tools to call — code that runs somewhere and returns a result. An AI skill gives the model knowledge and process instead: how to approach a task, which steps to follow, what good output looks like. Skills are plain Markdown, so they need no server, no API key and no runtime, and they work with any model.

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Overview

Installation

Install in TypingMind

Install in another agent

Use it in TypingMind

Works with any AI model

Skill instructions

API Versioning Strategy

Versioning Methods

URL Path Versioning (Recommended)

Version Adapter Pattern

Deprecation Headers

Safe vs Breaking Changes

Deprecation Timeline

Best Practices

Frequently asked questions

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