designing-apis

Standardize REST API design, versioning, error handling, and OpenAPI documentation.

111|18|Updated Dec 17, 2025

Search Tags:#versioning #REST #OpenAPI #API-design

Ready to run

npx skills add https://github.com/dralgorhythm/claude-agentic-framework --skill designing-apis

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: designing-apis
Source: https://github.com/dralgorhythm/claude-agentic-framework/tree/main/.claude/skills/architecture/designing-apis
Command: npx skills add https://github.com/dralgorhythm/claude-agentic-framework --skill designing-apis

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Guides API design with REST principles, versioning, and consistent error handling.

Core Features & Use Cases

REST Principles: Resource naming, HTTP methods, status codes.
Versioning & Errors: URL/versioning patterns and standardized error formats.
Use Case: Create a stable API surface with versioned endpoints.

Quick Start

Draft a simple GET /users API with a standard error response.

Frequently Asked Questions about designing-apis

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I design a REST API with consistent resource naming and HTTP methods?▼

REST API design standardizes resource naming conventions and HTTP method usage. Apply principles like using nouns for resources, GET for retrieval, POST for creation, PUT/PATCH for updates, and DELETE for removal. This ensures predictable, interoperable endpoints that clients can understand and consume reliably across your API surface.

What's the best way to version APIs without breaking existing clients?▼

API versioning strategies include URL-based (e.g., /v1/users, /v2/users) and header-based approaches. URL versioning is explicit and widely adopted. Version endpoints when introducing breaking changes to maintain backward compatibility, allowing old and new clients to coexist while you deprecate older versions gradually.

How do I standardize error responses across my API endpoints?▼

Standardized error handling defines consistent response formats, HTTP status codes, and error message structures across all endpoints. Use appropriate status codes (400 for client errors, 500 for server errors) and return structured error objects with code, message, and details. This enables clients to parse and handle failures predictably.

Can I use OpenAPI to document my REST API design?▼

OpenAPI is a specification for documenting REST APIs. It captures resource definitions, endpoints, request/response schemas, status codes, and error formats in a machine-readable format. Generate interactive documentation and client SDKs from OpenAPI specs, ensuring documentation stays synchronized with implementation.

Why does consistent API design matter when scaling services?▼

Consistent API design reduces cognitive load for developers, minimizes integration errors, and simplifies maintenance across services. Standardized patterns for naming, versioning, and error handling create a predictable interface contract, making it easier to evolve, deprecate, and onboard teams as your system scales.