Api Changelog Versioning

Helps you write comprehensive API changelogs with breaking changes, migration guides, and version comparisons. You'd use this when shipping a new API version, deprecating endpoints, or changing authentication methods. It gives you templates for before/after code examples, deprecation timelines, and step-by-step migration instructions. The reference guides cover breaking changes, new features, security updates, and version support policies. Honestly, the structured approach here is what most teams skip when they're rushing to ship, then they pay for it in support tickets. The emphasis on 3-6 month deprecation windows and backward compatibility feels right for any production API.

skills.sh installs: 477
GitHub stars: 379
last updated: Aug 21, 2026

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Install

$ npx -y skills add aj-geddes/useful-ai-prompts --skill api-changelog-versioning --agent claude-code

Installs into .claude/skills of the current project.

Files

Overview

Create comprehensive API changelogs that document changes, deprecations, breaking changes, and provide migration guides for API consumers.

When to Use

API version changelogs
Breaking changes documentation
Migration guides between versions
Deprecation notices
API upgrade guides
Backward compatibility notes
Version comparison

Quick Start

Version comparison

# API Changelog

## Version 3.0.0 - 2025-01-15

### 🚨 Breaking Changes

#### Authentication Method Changed

**Previous (v2):**

```http
GET /api/users
Authorization: Token abc123
```

## Reference Guides

Detailed implementations in the `references/` directory:

SKILL.md on GitHub

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