api-design

Design REST APIs with consistent response envelopes, versioning, and error handling.

2|Updated Mar 16, 2026
One-click install
npx skills add https://github.com/chicongst/agent-skills-installer --skill api-design-chicongst
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: api-design
Source: https://github.com/chicongst/agent-skills-installer/tree/main/skills/api-design
Command: npx skills add https://github.com/chicongst/agent-skills-installer --skill api-design-chicongst

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

APIs should be designed to be intuitive, stable, and evolvable, making it easy for developers to consume them reliably.

Core Features & Use Cases

  • Consistent resource naming and HTTP semantics across endpoints
  • Versioning strategy and backward-compatible evolution
  • Standardized error formats, pagination, and secure access
  • Use Case: Design a /v1/users API with predictable responses and clear docs

Quick Start

Create a minimal contract for a new REST service and provide a simple example that a frontend team can begin integrating with immediately.

Frequently Asked Questions about api-design

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

FAQPage Schema
How do I design a REST API with consistent response envelopes across all endpoints?

To design a REST API with consistent response envelopes, apply consumer-first thinking to enforce a standard response shape, error codes, and standardized pagination across all endpoints. This ensures predictable responses for frontend teams.

What is the best way to handle API versioning and minimize breaking changes?

The best way to handle API versioning is implementing a forward-compatible evolution strategy. By enforcing standard response shapes and backwards compatibility, you minimize breaking changes when updating resources like a /v1/users API.

How does standardized error handling work in HTTP REST APIs?

Standardized error handling in HTTP REST APIs works by enforcing a consistent error format and standard error codes across all endpoints. This consumer-first approach allows developers to reliably parse and manage API failures.

Can I use this approach to design secure access and pagination for a new REST service?

Yes, you can use this approach to design secure access and pagination for a new REST service. It applies consumer-first thinking to standardize pagination, secure access, and clear resource naming for immediate frontend integration.

When do I need a standardized response shape for my API endpoints?

You need a standardized response shape for your API endpoints when building a new REST service that frontend teams will integrate with immediately. It provides predictable responses, clear documentation, and reduces integration friction.

Why does consistent resource naming matter for consumer-friendly APIs?

Consistent resource naming matters for consumer-friendly APIs because it aligns with HTTP semantics and makes endpoints intuitive. Combined with standard response envelopes, it allows developers to consume the API reliably without constant documentation lookups.