skills.rest
CarGDev
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API Designer

Designs RESTful APIs with resource naming conventions, HTTP methods, URL structures, error handling, and authentication recommendations.

Updated Jan 17, 2026
Search Tags:#design#documentation#api#backend#rest#graphql
One-click install
npx skills add https://github.com/CarGDev/codetyper.cli --skill api-designer-cargdev
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: API Designer
Source: https://github.com/CarGDev/codetyper.cli/tree/main/src/skills/api-design
Command: npx skills add https://github.com/CarGDev/codetyper.cli --skill api-designer-cargdev

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill addresses the complexity of designing well-structured, maintainable, and user-friendly APIs, ensuring consistency and adherence to best practices.

Core Features & Use Cases

  • RESTful Endpoint Design: Defines conventions for resource naming, HTTP methods, and URL structures.
  • Error Handling Strategy: Establishes standardized error response formats and status codes.
  • Authentication & Authorization: Recommends secure methods like JWT, API keys, and OAuth.
  • Use Case: Design a new set of endpoints for a user management system, ensuring all endpoints follow RESTful principles, implement proper pagination, and return consistent error messages.

Quick Start

Design a REST API for a blog platform, including endpoints for posts and comments.

Frequently Asked Questions about API Designer

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

FAQPage Schema
How do I design RESTful API endpoints and URL structures for a new backend system?▼

Design RESTful APIs by establishing resource naming conventions, mapping HTTP methods to actions, and structuring URLs hierarchically. This ensures backend endpoints remain maintainable and adhere to standardized web architecture principles.

What is the best way to implement consistent error handling with HTTP status codes in an API?▼

Implement API error handling by returning appropriate HTTP status codes alongside structured error objects. This standardizes API responses, allowing clients to programmatically parse issues and handle exceptions consistently across all endpoints.

How do I set up secure authentication and authorization for my API using JWT, API keys, or OAuth?▼

Secure API authentication by recommending mechanisms like JWT for stateless token exchange, API keys for simple client access, and OAuth 2.0 for delegated authorization. This protects endpoints based on specific security requirements.

Can I use this approach to design a user management system with proper pagination and consistent errors?▼

Yes, designing a user management API involves defining RESTful endpoints for resources, implementing proper pagination for large datasets, and returning consistent error messages to ensure a user-friendly and scalable interface.

Does this API design methodology support both REST and GraphQL backend architectures?▼

The API design framework focuses primarily on RESTful architecture, defining resource naming and HTTP methods, while also encompassing GraphQL concepts to provide robust documentation and scalable backend interface strategies.

Why does my API need standardized error objects and specific HTTP status codes?▼

APIs require standardized error objects and specific HTTP status codes to provide clear machine-readable feedback. This structured approach prevents client-side parsing failures and maintains consistent communication for successful and failed requests.

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