api-developer

Design RESTful APIs with OpenAPI specifications and secure endpoints.

Updated Aug 23, 2026
One-click install
npx skills add https://github.com/paulund/skills --skill api-developer-paulund
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: api-developer
Source: https://github.com/paulund/skills/tree/main/skills/api-developer
Command: npx skills add https://github.com/paulund/skills --skill api-developer-paulund

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

APIs are central to modern applications but often suffer from inconsistent design, security gaps, and poor documentation. This skill guides engineers to design, implement, document, and maintain robust APIs that are secure, versioned, and easy to consume across teams.

Core Features & Use Cases

  • Design RESTful APIs that meet business requirements.
  • Implement secure endpoints and proper error handling.
  • Document APIs using OpenAPI/Swagger and maintain versioned contracts.
  • Use cases: creating new endpoints, migrating to stable versions, and ensuring consistent client experiences.

Quick Start

Define the API endpoints you need and begin drafting the OpenAPI specification to guide implementation.

Frequently Asked Questions about api-developer

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

FAQPage Schema
How do I design and document a RESTful API using OpenAPI specifications?

To design and document a RESTful API, draft an OpenAPI specification to define endpoints and enforce RESTful principles. This guides implementation and ensures your API contracts are versioned, consistent, and easy for teams to consume.

What is the best way to secure API endpoints and handle errors consistently?

The best way to secure API endpoints is to enforce security standards during design and implementation. This approach applies secure endpoint configurations and consistent error handling across services to protect applications.

How do I maintain API versioning and migrate to stable versions without breaking clients?

To maintain API versioning and migrate safely, maintain versioned contracts using OpenAPI specifications. This ensures consistent client experiences and allows you to migrate to stable versions without breaking existing integrations.

Can I use this approach to apply RESTful principles across the entire API lifecycle?

Yes, you can apply RESTful principles across the entire API lifecycle. This methodology spans design, implementation, documentation, testing, and versioning to ensure robust APIs that meet business requirements.

How do I ensure observable performance and robust API design for scalable applications?

To ensure observable performance and robust API design, enforce RESTful principles and OpenAPI specifications during implementation. This maintains scalable services and applications that meet business and security standards.

Why does my API suffer from inconsistent design and poor documentation?

Your API suffers from inconsistent design and poor documentation when it lacks enforced standards. Applying structured OpenAPI specifications and RESTful principles solves this by guiding implementation and maintaining versioned contracts.