API Versioning Patterns Agent Skill

by vibeeval

API versioning strategies, breaking change detection, deprecation lifecycle, and migration guides

675 tokens

context cost

the whole folder, loaded on every use

files

instructions only

copies elsewhere

how many repositories repackaged it

521

stars on the repo

on the repository, not the skill itself

Install

one command, takes just this skill from the repository

npx skills add https://github.com/vibeeval/vibecosystem --skill api-versioning-patterns

The instruction itself

7 sections, as written by the author

API Versioning Patterns

Versioning Strategies

|----------|-------|------|------|

Öneri: URL Path (/v1/) — en yaygın, en anlaşılır.

Breaking Change Detection

// Breaking changes
const breakingChanges = [
  'Required field ekleme',
  'Field silme veya rename',
  'Type değiştirme (string → number)',
  'Enum value silme',
  'Response structure değiştirme',
  'Error code değiştirme',
  'Auth requirement ekleme'
]

// Non-breaking changes
const nonBreaking = [
  'Optional field ekleme',
  'Yeni endpoint ekleme',
  'Enum value ekleme',
  'Response'a optional field ekleme',
  'Performance improvement'
]

Deprecation Lifecycle

Phase 1: ANNOUNCE (3 ay önce)
  → Deprecation header: Sunset: Sat, 01 Jan 2027 00:00:00 GMT
  → API docs'ta uyarı
  → Consumer'lara email

Phase 2: WARN (2 ay önce)
  → Response header: Deprecation: true
  → Log: deprecated endpoint kullanımı
  → Dashboard: kullanım metrikleri

Phase 3: THROTTLE (1 ay önce)
  → Rate limit düşür
  → Warning response body'ye ekle

Phase 4: SUNSET
  → 410 Gone döndür
  → Migration guide link'i ile

Migration Guide Template

# Migration: v1 → v2

## Breaking Changes
1. `GET /v1/users` → `GET /v2/users`
   - Response: `{ data: User[] }` → `{ items: User[], meta: {...} }`
2. `POST /v1/orders`
   - New required field: `currency` (ISO 4217)

## Step-by-Step
1. Update client SDK to v2
2. Add `currency` field to order creation
3. Update response parsing for `items` + `meta`
4. Test against v2 staging
5. Switch production to v2

## Compatibility Period
v1 available until: 2027-06-01

Checklist

[ ] Versioning stratejisi seçilmiş
[ ] Breaking change policy documented
[ ] Deprecation lifecycle tanımlı
[ ] Sunset header ekleniyor
[ ] Migration guide var
[ ] Version usage metrikleri tracked
[ ] Consumer notification sistemi var
[ ] Minimum 6 ay backward compatibility

Anti-Patterns

Version'sız API (her değişiklik breaking)
Eski version'u ani kapatma (sunset lifecycle uygula)
Breaking change without version bump
Her küçük değişiklikte yeni version
Consumer'lara haber vermeden deprecate

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How to use it

Copy the folder

Take vibeeval/api-versioning-patterns from the repository into ~/.claude/skills for personal use, or into .claude/skills inside a project.

Check the name does not clash

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