{"data":{"id":"api-and-interface-design","name":"API and Interface Design","tagline":"Stable APIs, module boundaries, and public contracts","when":"Guides stable API and interface design. Use when designing APIs, module boundaries, or any public interface. Use when creating REST or GraphQL endpoints, defining type contracts between modules, or establishing boundaries between frontend and backend.","license":"MIT","sourceUrl":"https://github.com/addyosmani/agent-skills/blob/main/skills/api-and-interface-design/SKILL.md","catch":" Broad guidance from addyosmani/agent-skills. Does not trigger if the agent does not load it."},"links":{"self":"/api/skills/api-and-interface-design","html":"/skills/api-and-interface-design","markdown":"/skills/api-and-interface-design.md","collection":"/api/skills"}}