skills.rest
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api-interface-design

Design REST APIs with standard HTTP methods, response structures, and OpenAPI specifications.

Updated Apr 28, 2026
Search Tags:#openapi#api-design#rest-api#api-contracts#api-versioning#sdk-design#api-standards
One-click install
npx skills add https://github.com/khoabd/paperclip --skill api-interface-design-khoabd
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: api-interface-design
Source: https://github.com/khoabd/paperclip/tree/main/skills/api-interface-design
Command: npx skills add https://github.com/khoabd/paperclip --skill api-interface-design-khoabd

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill solves the widespread issue of poorly designed, inconsistent APIs that break client integrations, confuse developers, and create costly technical debt when building or updating services.

Core Features & Use Cases

  • REST Convention Enforcement: Implements standard HTTP method and endpoint patterns to eliminate non-standard, confusing API designs.
  • Uniform Standards & Versioning: Defines consistent response structures, semantic versioning with 6-month deprecation policies, and OpenAPI-first workflows to prevent breaking changes.
  • Anti-Pattern Detection: Flags common design red flags like verbs in resource URLs or missing versioning to catch flaws before implementation.
  • Use Case: Use this Skill when building a new public API for your SaaS product to ensure all endpoints follow industry best practices from launch, or when reviewing an existing API contract to fix inconsistencies before release.

Quick Start

Use the api-interface-design skill to create a versioned REST API specification for a new user management endpoint following standard conventions and consistent response shapes.

Frequently Asked Questions about api-interface-design

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

FAQPage Schema
How do I design consistent REST APIs that developers love?▼

To design consistent REST APIs, enforce standard HTTP method mappings, maintain uniform response structures, and adopt OpenAPI-first workflows to eliminate non-standard designs and reduce developer friction.

What are common REST API anti-patterns to avoid during endpoint design?▼

Common REST API anti-patterns include using verbs in resource URLs, missing semantic versioning, and non-standard HTTP method mappings that break client integrations and create costly technical debt.

Can I use an OpenAPI-first workflow for internal and public services?▼

Yes, you can apply OpenAPI-first workflows to define specifications for both internal and public services, ensuring all endpoints follow industry best practices from launch through consistent API contracts.

What is the best way to standardize response structures for SDK design?▼

The best way to standardize SDK design is to define uniform response structures and enforce standard REST conventions within your OpenAPI specifications, catching design flaws before implementation.

Why does missing API versioning break client integrations?▼

Missing API versioning breaks client integrations because changes to endpoints lack semantic predictability, causing non-standard designs that confuse developers and create integration friction.

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