design-api

Enforce naming, versioning, pagination, and documentation standards in API designs.

1|Updated Mar 8, 2026
One-click install
npx skills add https://github.com/gjalla/gjalla-plugin --skill design-api-gjalla
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: design-api
Source: https://github.com/gjalla/gjalla-plugin/tree/main/claude/skills/design-api
Command: npx skills add https://github.com/gjalla/gjalla-plugin --skill design-api-gjalla

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Designing APIs that are consistent, scalable, and easy for teams to adopt, reducing integration pain and drift.

Core Features & Use Cases

  • Consistency & standards: enforce naming, versioning, pagination, and docs across endpoints.
  • Contract-first design: define API contracts before implementation to prevent scope creep.
  • Evolution & safety: plan for versioned changes with clear deprecation paths and backward compatibility.
  • Use Case: when adding or redesigning endpoints, craft surfaces that minimize breaking changes and improve developer experience.

Quick Start

Outline the intended API surface and governance rules that your team will follow to ensure consistent API design.

Frequently Asked Questions about design-api

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

FAQPage Schema
How do I design APIs that prevent breaking changes and scope creep?

To design APIs that prevent breaking changes, use a contract-first approach by defining API specifications and governance rules before implementation to enforce consistency and minimize drift.

What is the best way to standardize API naming, versioning, and pagination across teams?

The best way to standardize API naming, versioning, and pagination is to apply established API design conventions that enforce consistent endpoint contracts, authentication, and documentation standards across services.

How does contract-first API design improve developer experience?

Contract-first API design improves developer experience by defining clear, durable endpoint contracts before implementation, reducing integration pain and ensuring predictable error formats and authentication flows.

Can I use this approach to redesign existing API endpoints for backward compatibility?

Yes, you can use this approach to redesign existing API endpoints by planning versioned changes with clear deprecation paths, ensuring backward compatibility and enforcing strict documentation standards.

When do I need to validate API specs with established conventions?

You need to validate API specs with established conventions when adding new endpoints or modifying existing contracts, ensuring that naming, versioning, pagination, and error formats remain consistent across teams.